Public double Sum(int k, ref double S)

1.
internal class SumOff
{
public double Sum(int k, ref double S)
{
double m = k;
while (m > 1)
{
S += (double)(Math.Pow(-1, m) * (1 / m));
m--;
}
return S;
}
}

static void Main(string[] args)

{
int k = Convert.ToInt32(Console.ReadLine());
double S = 1;
SumOff q = new SumOff();
Console.WriteLine(q.Sum(k, ref S));
Console.ReadLine();
}

2.

internal class WordsCount

{
public void Words(string gap)
{
string[] massiv = gap.Split();
Console.WriteLine(massiv.Length);
}
}

internal class Program

{
static void Main(string[] args)
{
WordsCount q = new WordsCount();
string a = File.ReadAllText("d:\\Word.txt");
q.Words(a);
Console.ReadLine();
}
}

3.

internal class Apiwayi_san

{
public bool PrimeNumber(int a, ref bool t)
{
int sum = 0;
if (a != 2 && a % 2 == 0 || a == 1)
{
t = false;
}
else
{
for (int i = 1; i <= a; i++)
{
if (a % i == 0)
{
sum++;
}
}
if (sum > 2)
{
t = false;
}
else
{
t = true;
}
}
return t;
}
}

static void Main(string[] args)

{
bool t = false;
int a = Convert.ToInt32(Console.ReadLine());
Apiwayi_san q = new Apiwayi_san();
Console.WriteLine(q.PrimeNumber(a, ref t));
Console.ReadLine();
}

4.
internal class Upperword

{
public void Upper(string gap)
{
int sum = 0; int sum2 = 0; string[] D = gap.Split(); for (int i = 0; i < D.Length; i++)
{
for (int j = 0; j < D[i].Length; j++)
{
if (D[i][j] >= 'A' && D[i][j] <= 'Z' || D[i][j] >= 'А' && D[i][j] <= 'Я') { sum++; }
}
if (sum > 0) { sum2++; }
sum = 0;
}
Console.WriteLine(sum2);
}
}

static void Main(string[] args)

{
Upperword p = new Upperword();
string q = File.ReadAllText("d:\\Word.txt");
p.Upper(q);
Console.ReadLine();
}

5.
internal class Power

{
public bool PowerABP(int a, int b, int p)
{
return p == Math.Pow(a, b);
}
}

static void Main(string[] args)

{
int a = Convert.ToInt32(Console.ReadLine());
int b = Convert.ToInt32(Console.ReadLine());
int p = Convert.ToInt32(Console.ReadLine());
Power q = new Power();
Console.WriteLine(q.PowerABP(a, b, p));
}
6.
internal class UpperWords
{
public void Upper(string gap)
{
int sum = 0; int sum2 = 0; string[] D = gap.Split();
for (int i = 0; i < D.Length; i++)
{
for (int j = 0; j < D[i].Length; j++)
{
if (D[i][j] >= 'A' && D[i][j] <= 'Z' || D[i][j] >= 'А' && D[i][j] <= 'Я') { sum++; }
}
if (sum == D[i].Length) { sum2++; }
sum = 0;
}
Console.WriteLine(sum2);
}
}

static void Main(string[] args)

{
UpperWords m = new UpperWords();
string p = File.ReadAllText("d:\\Word.txt");
m.Upper(p);
Console.ReadLine();
}

7.
internal class Matrix

{
int m;
int n;
double[,] a;
public int M { get { return m; } set { m = value; } }
public int N { get { return n; } set { n = value; } }
public void Create_matrix()
{
a = new double[m, n];
Random r = new Random();
Console.WriteLine("Matrica elementlerin kiritin': ");
for (int i = 0; i < m; i++)
for (int j = 0; j < n; j++)
a[i, j] = r.Next(0, 100);
}
public void Print_matrix()
{
Console.WriteLine("Matrica : ");
for (int i = 0; i < m; i++)
{
for (int j = 0; j < n; j++)
Console.Write("\t" + a[i, j]);
Console.WriteLine();
}
}

public void OddnumberIndex()

{
int numdercol = -1;
for (int j = 0; j < n; j++)
{
bool odd = true;
for (int i = 0; i < m; i++)
{
if (a[i,j] % 2 == 0) odd = false;
}
if (odd)
{
numdercol = j;
break;
}
}
Console.WriteLine(numdercol);
}
}

static void Main(string[] args)

{
Matrix ob = new Matrix();
Console.Write("M = "); ob.M = Convert.ToInt32(Console.ReadLine());
Console.Write("N = "); ob.N = Convert.ToInt32(Console.ReadLine());
ob.Create_matrix();
ob.Print_matrix();
ob.OddnumberIndex();
Console.ReadLine();
}

8.
internal class Perfectnum

{
public void Perfect(int a)
{
int sum = 0;
for (int i = 1; i <= a; i++)
{
if (a % i == 0)
{
sum++;
}
}
if (sum > 2)
{
Console.WriteLine(1);
}
else
{
Console.WriteLine(0);

}
}
}

static void Main(string[] args)
{
string s = File.ReadAllText("d:\\Word.txt");
int a = Convert.ToInt32(s);
Perfectnum m = new Perfectnum();
m.Perfect(a);
Console.ReadLine();
}

9.
class Matrix

{
public int osiw(int[,] mat,int m,int n)
{
int result = -1;
int[] ar = new int[m];
int san;
for (int i = n-1; i >=0; i--)
{
san = 0;
for (int j = 0; j < m; j++)
{
ar[j] = Convert.ToInt32(mat[j, i]);
}
Array.Sort(ar);
for (int j = 0; j < m; j++)
{
if (Convert.ToInt32(ar[j]) != Convert.ToInt32(mat[j, i]))
{
break;
}
else
{
san++;
}
}
if (san==m)
{
result = i;
break;
}
}
return result+1;
}
}

static void Main(string[] args)

{
Console.WriteLine("Matrica olshemin kiriting:");
int m = Convert.ToInt32(Console.ReadLine());
int n = Convert.ToInt32(Console.ReadLine());
int[,] matrica = new int[m, n];
Console.WriteLine("Matrica elementlerin kiritemiz: ");
for (int i = 0; i < m; i++)
{
for (int j = 0; j < n; j++)
{
matrica[i, j] = Convert.ToInt32(Console.ReadLine());
}
}

Console.WriteLine("");

for (int i = 0; i < m; i++)
{
for (int j = 0; j < n; j++)
{
Console.Write( matrica[i, j]+" " );
}
Console.WriteLine("");
}

Matrix mat = new Matrix();

Console.WriteLine(mat.osiw(matrica, m, n));
Console.ReadLine();
}

10.
internal class MaxPrime

{
public void Prime(int A)
{
int primenumber = 0;
for (int i = 2; i < A; i++)
{
primenumber = Check(i);
}
Console.Write(primenumber);
}

public int Check(int a)

{
int sum = 0;
for (int i = 1; i <= a; i++)
{
if (a % i == 0)
{
sum++;
}
}
if (sum == 2)
{
return a;
}
else
{
return 0;
}
}
}

static void Main(string[] args)

{
string s = File.ReadAllText("d:\\Word.txt");
int a = Convert.ToInt32(s);
MaxPrime q = new MaxPrime();
q.Prime(a);
Console.ReadLine();
}

11.
internal class Matrix

{
int m;
int n;
double[,] a;
public int M { get { return m; } set { m = value; } }
public int N { get { return n; } set { n = value; } }
public void Create_matrix()
{
a = new double[m, n];
Random r = new Random();
Console.WriteLine("Matrica elementlerin kiritin': ");
for (int i = 0; i < m; i++)
for (int j = 0; j < n; j++)
a[i, j] = r.Next(0, 100);
}
public void Print_matrix()
{
Console.WriteLine("Matrica : ");
for (int i = 0; i < m; i++)
{
for (int j = 0; j < n; j++)
Console.Write("\t" + a[i, j]);
Console.WriteLine();
}
}

public void Zero()

{
int numdercol = -1;
for (int j = 0; j < n; j++)
{
bool odd = false;
for (int i = 0; i < m; i++)
{
if (a[i, j] == 0) odd = true;
}
if (odd)
{
numdercol = j;
break;
}
}
Console.WriteLine(numdercol);
}
}

static void Main(string[] args)

{
Matrix ob = new Matrix();
Console.Write("M = "); ob.M = Convert.ToInt32(Console.ReadLine());
Console.Write("N = "); ob.N = Convert.ToInt32(Console.ReadLine());
ob.Create_matrix();
ob.Print_matrix();
ob.Zero();
Console.ReadLine();
}

12.
internal class SumOff

{
public double Sum(int n, ref double s)
{
for (double i = 2; i <= n; i++)
{
s += ((i - 1) / i);
}
return s;
}
}

static void Main(string[] args)

{
int n = Convert.ToInt32(Console.ReadLine());
double s = 1;
SumOff q = new SumOff();
Console.WriteLine(q.Sum(n, ref s));
Console.ReadLine();
}

13.
internal class Twoconvertten

{
long n;
public string S { get; set; }
public void Read_number()
{
string path1 = "d:\\Word.txt";
using (StreamReader reader = new StreamReader(path1))
{
string text = reader.ReadToEnd();
n = Convert.ToInt64(text);
}
}
public void Convert_2to10()
{
string path2 = "d:\\Convert_number.txt";
string text = n.ToString();
using (StreamWriter writer = new StreamWriter(path2))
{
int a = 0, j = 0;
for (int i = 0; i < text.Length; i++)
{
a+= ((int)(text[i]) - 48) * (int)Math.Pow(2, text.Length-1-j);
j++;
}
writer.Write(a);
}
}
}

static void Main(string[] args)

{
Twoconvertten ob = new Twoconvertten();
ob.Read_number();
ob.Convert_2to10();
Console.ReadLine();
}

14.
internal class Matrix

{
int m;
int n;
int[,] a;
public int M { get { return m; } set { m = value; } }
public int N { get { return n; } set { n = value; } }
public void Create_matrix()
{
a = new int[m, n];
Random r = new Random();
Console.WriteLine("Matrica elementlerin kiritin': ");
for (int i = 0; i < m; i++)
for (int j = 0; j < n; j++)
a[i, j] = r.Next(0, 100);
}
public void Print_matrix()
{
Console.WriteLine("Matrica : ");
for (int i = 0; i < m; i++)
{
for (int j = 0; j < n; j++)
Console.Write("\t" + a[i, j]);
Console.WriteLine();
}
}

public void NotZero()

{
int count = 0;
for (int j = 0; j < n; j++)
{
bool odd = true;
for (int i = 0; i < m; i++)
{
if (a[i, j] == 0) odd = false;
}
if (odd)
{
count++;
}
}
Console.WriteLine(count);
}
}

static void Main(string[] args)

{
Matrix ob = new Matrix();
Console.Write("M = "); ob.M = Convert.ToInt32(Console.ReadLine());
Console.Write("N = "); ob.N = Convert.ToInt32(Console.ReadLine());
ob.Create_matrix();
ob.Print_matrix();
ob.NotZero();
Console.ReadLine();
}

15.
internal class Degree

{
public bool isSquare(int k, ref bool t)
{
double x = Math.Round(Math.Sqrt(k));
t = (x * x == k);
return t;
}
}

static void Main(string[] args)

{
bool t = true;
int k = Convert.ToInt32(Console.ReadLine());
Degree q = new Degree();
Console.WriteLine(q.isSquare(k,ref t));
Console.ReadLine();
}

16.
internal class Split_num

{
public void natiyje(int n1,int n2,string f)
{
string[] d = f.Split('\n'); string s1 = d[0]; string s2 = d[1];
string s = "";
for (int i = 0; i < n1; i++)
{
s += s1[i];
}
s += " ";
for (int i = s2.Length - n2; i < s2.Length; i++)
{
s += s2[i];
}
Console.WriteLine(s);
}
}
static void Main(string[] args)
{
int n1 = Convert.ToInt32(Console.ReadLine());
int n2 = Convert.ToInt32(Console.ReadLine());
string gap = File.ReadAllText("d:\\Word.txt");
Split_num obj = new Split_num();
obj.natiyje(n1,n2,gap);
}

17.
internal class SumOff

{
public double Sum(double a, int n, ref double s)
{
for (int i = 1; i <= n; i++)
{
s += Math.Pow(-1, i) * Math.Pow(a, i);
}
return s;
}
}

static void Main(string[] args)

{
double s = 1;
double a = Convert.ToDouble(Console.ReadLine());
int n = Convert.ToInt32(Console.ReadLine());
SumOff q = new SumOff();
Console.WriteLine(q.Sum(a, n, ref s));
Console.ReadLine();
}

18.
internal class _8_to_2

{
public void Eight_to_two(string s)
{
string n = Convert.ToString(Convert.ToInt64(s, 8), 2);
Console.WriteLine(n);
}
}

static void Main(string[] args)

{
string s = File.ReadAllText("d:\\Word.txt");
_8_to_2 q = new _8_to_2(); q.Eight_to_two(s);
Console.ReadLine();
}

19.
internal class Convert_16

{
public void ekilik(string s)
{
string binary = Convert.ToString(Convert.ToInt32(s, 16), 2);
Console.WriteLine(binary);
}
}

static void Main(string[] args)

{
string s = File.ReadAllText("d:\\Word.txt");
Convert_16 q = new Convert_16();
q.ekilik(s);
Console.ReadLine();
}

20.
internal class Fibonachi

{
public int Fibonacci(int n, int san)
{
int a1 = 1;
int b1 = 1;
for (int i = 2; i < n; i++)
{
san = a1 + b1; a1 = b1; b1 = san;
}
return san;
}
}

static void Main(string[] args)

{
int n =Convert.ToInt32(Console.ReadLine());
int a = 0;
Fibonachi q = new Fibonachi();
Console.WriteLine(q.Fibonacci(n, a));
Console.ReadLine();
}

21.
class Matrix

{
public int[,] osiw(int[,] mat, int m, int n)
{
int[] ar = new int[m];
for (int i = 0; i {
for (int j = 0; j < m; j++)
{
ar[j] = Convert.ToInt32(mat[j, i]);
}

Array.Sort(ar);

for (int j = 0; j < m; j++)
{
mat[j, i] = ar[j];
}

}

return mat;
}
}

static void Main(string[] args)

{
Console.WriteLine("Matrica olshemin kiriting:");
int m = Convert.ToInt32(Console.ReadLine());
int n = Convert.ToInt32(Console.ReadLine());
int[,] matrica = new int[m, n];
Console.WriteLine("Matrica elementlerin kiritemiz: ");
for (int i = 0; i < m; i++)
{
for (int j = 0; j < n; j++)
{
matrica[i, j] = Convert.ToInt32(Console.ReadLine());
}
}

Console.WriteLine("");

for (int i = 0; i < m; i++)
{
for (int j = 0; j < n; j++)
{
Console.Write( matrica[i, j]+" " );
}
Console.WriteLine("");
}
Console.WriteLine(" ");
Matrix mat = new Matrix();
matrica = mat.osiw(matrica, m, n);
for (int i = 0; i < m; i++)
{
for (int j = 0; j < n; j++)
{
Console.Write(matrica[i, j] + " ");
}
Console.WriteLine("");
}

Console.ReadLine();

}

22.

class Matrix
{
public int[,] osiw(int[,] mat, int m, int n)
{
int[] ar = new int[n];
int min=0, max=0;
for (int i =0; i < m; i++)
{
for (int j = 0; j < n; j++)
{
ar[j] = Convert.ToInt32(mat[i, j]);
}
Array.Sort(ar);
min = ar[0];
max = ar[n - 1];

for (int j = 0; j < n; j++)

{
if (mat[i,j]==min)
{
mat[i, j] = max;
}
else if(mat[i,j]==max)
{
mat[i, j] = min;
}
}

}
return mat;

}
}

static void Main(string[] args)

{
Console.WriteLine("Matrica olshemin kiriting:");
int m = Convert.ToInt32(Console.ReadLine());
int n = Convert.ToInt32(Console.ReadLine());
int[,] matrica = new int[m, n];
Console.WriteLine("Matrica elementlerin kiritemiz: ");
for (int i = 0; i < m; i++)
{
for (int j = 0; j < n; j++)
{
matrica[i, j] = Convert.ToInt32(Console.ReadLine());
}
}

Console.WriteLine("");

for (int i = 0; i < m; i++)
{
for (int j = 0; j < n; j++)
{
Console.Write(matrica[i, j] + " ");
}
Console.WriteLine("");
}
Console.WriteLine(" ");
Matrix mat = new Matrix();
matrica = mat.osiw(matrica, m, n);

for (int i = 0; i < m; i++)

{
for (int j = 0; j < n; j++)
{
Console.Write(matrica[i, j] + " ");
}
Console.WriteLine("");
}
Console.ReadLine();
}

23.
internal class Count

{
public void Count_three(string s)
{
string[] p = s.Split();
int sum = 0;
for (int i = 0; i < p.Length; i++)
{
for (int j = 0; j < p[i].Length; j++)
{
if (p[i][j] == 'a')
{
sum++;
}
}
if (sum == 3)
{
Console.WriteLine(p[i]);
}
sum = 0;
}
}
}

static void Main(string[] args)

{
string s = File.ReadAllText("d:\\Word.txt");
Count q = new Count();
q.Count_three(s);
Console.ReadLine();
}

24.
internal class MinumString

{
int m;
int n;
double[,] a;
public int M { get { return m; } set { m = value; } }
public int N { get { return n; } set { n = value; } }
public void Create_matrix()
{
a = new double[m, n];
Random r = new Random();
Console.WriteLine("Matrica elementlerin kiritin': ");
for (int i = 0; i < m; i++)
for (int j = 0; j < n; j++)
a[i, j] = r.Next(0, 100);
}
public void Print_matrix()
{
Console.WriteLine("Matrica : ");
for (int i = 0; i < m; i++)
{
for (int j = 0; j < n; j++)
Console.Write("\t" + a[i, j]);
Console.WriteLine();
}
}
public void Min()
{
double min = 0, index = 0;
for (int i = 0; i < m; i++)
{
double s = 1; for (int j = 0; j < n; j++) { s *= a[i, j]; }
if (i == 0) min = s;
else if (s < min)
{
min = s;
index = i;
}
}
Console.WriteLine(index);
}
}

static void Main(string[] args)

{
MinumString ob = new MinumString();
Console.Write("M = "); ob.M = Convert.ToInt32(Console.ReadLine());
Console.Write("N = "); ob.N = Convert.ToInt32(Console.ReadLine());
ob.Create_matrix();
ob.Print_matrix();
ob.Min();
Console.ReadLine();
}

25.
internal class Delet

{
public void Delete(string s,string s1)
{
if (s.IndexOf(s1) > 0)
{
Console.WriteLine(s.Remove(s.IndexOf(s1), s1.Length));
}
else
{
Console.WriteLine(s);
}
}
}

static void Main(string[] args)

{
StreamReader read = new StreamReader("d:\\Word.txt");
string s = read.ReadLine();
string s1 = read.ReadLine();
Delet q = new Delet();
q.Delete(s,s1);
read.Close();
Console.ReadKey();
}

26.
internal class Fayl

{
public void Cons(int n)
{
int[] a = new int[n];
int[] b = new int[n];
int[] c = new int[n];
for (int i = 0; i < n; i++)
{
Console.Write("a[" + i + "]=");
a[i] = Convert.ToInt32(Console.ReadLine());
Console.Write("b[" + i + "]=");
b[i] = Convert.ToInt32(Console.ReadLine());
c[i] = Max(a[i], b[i]);
}
foreach (var item in c)
{
Console.WriteLine(item);
}
}
}

static void Main(string[] args)

{
int n = Convert.ToInt32(Console.ReadLine());
Fayl q = new Fayl();
q.Cons(n);
Console.ReadKey();
}

27.

internal class Attachment
{
public void Print(string s,string s1,string s2)
{
s = s.ToUpper();
s1 = s1.ToUpper();
s2 = s2.ToUpper();
if (s == s1 + s2)
{
Console.WriteLine(1);
}
else
{
Console.WriteLine(0);
}
}
}

static void Main(string[] args)

{
StreamReader read = new StreamReader("d:\\Word.txt");
string s = read.ReadLine();
string s1 = read.ReadLine();
string s2 = read.ReadLine();
Attachment a = new Attachment();
a.Print(s,s1,s2);
read.Close();
Console.ReadLine();
}

28.
internal class Minimum

{
int m;
int n;
double[,] a;
public int M { get { return m; } set { m = value; } }
public int N { get { return n; } set { n = value; } }
public void Create_matrix()
{
a = new double[m, n];
Random r = new Random();
Console.WriteLine("Matrica elementlerin kiritin': ");
for (int i = 0; i < m; i++)
for (int j = 0; j < n; j++)
a[i, j] = r.Next(0, 100);
}
public void Print_matrix()
{
Console.WriteLine("Matrica : ");
for (int i = 0; i < m; i++)
{
for (int j = 0; j < n; j++)
Console.Write("\t" + a[i, j]);
Console.WriteLine();
}
}
public void Min()
{
double min = 0, index = 0;
for (int i = 0; i < m; i++)
{
double s = 1;
for (int j = 0; j < n; j++)
{
s += a[i, j];
}
if (i == 0) min = s;
else if (s < min)
{
min = s;
index = i;
}
}
Console.WriteLine(index);
}
}

static void Main(string[] args)

{
Minimum ob = new Minimum();
Console.Write("M = "); ob.M = Convert.ToInt32(Console.ReadLine());
Console.Write("N = "); ob.N = Convert.ToInt32(Console.ReadLine());
ob.Create_matrix();
ob.Print_matrix();
ob.Min();
Console.ReadKey();
}

29.
internal class Text

{
public void Print(string[] s1,string[] s2)
{
if (s2.Length + s1.Length > 0)
{
Console.WriteLine(s2.Length + 1 - s1.Length);
}
else
{
Console.WriteLine(1);
}
}
}

static void Main(string[] args)

{
StreamReader read = new StreamReader("d:\\Word.txt");
string s = read.ReadLine();
string[] s1 = s.Split('-');
string[] s2 = s.Split(' ');
Text q = new Text();
q.Print(s1, s2);
read.Close();
Console.ReadKey();
}

30.
internal class Text

{
public void Print(string s)
{
string[] s1 = s.Split(',');
if (s1.Length > 0)
{
Console.WriteLine(s1.Length - 1);
}
else
{
Console.WriteLine(0);
}
}
}

static void Main(string[] args)

{
StreamReader read = new StreamReader("d:\\Word.txt");
string s = read.ReadLine();
Text q = new Text();
q.Print(s);
read.Close();
Console.ReadKey();
}

31.
internal class Text

{
public void Print(string s)
{
string[] s1 = s.Split(' ');
Console.WriteLine(Math.Abs(s1.Length - 1));
}
}

static void Main(string[] args)

{
StreamReader read = new StreamReader("d:\\Word.txt");
string s = read.ReadLine();
Text t = new Text();
t.Print(s);
read.Close();
Console.ReadKey();
}

32.
internal class Massiv

{
public bool TubSon(int a)
{
bool t;
for (int i = 2; i <= a / 2; i++)
{
if (a % i != 0)
t = true;
else
{
t = false;
return false;
}
}
return true;
}
public void Print(int n)
{
int s = 0;
for (int i = 0; i < n; i++)
{
int[] a = new int[n];
Console.Write("a[" + i + "]=");
a[i] = int.Parse(Console.ReadLine());
if (TubSon(a[i]))
{
s++;
}
Console.WriteLine(s);
}
}
}
static void Main(string[] args)
{
int n = int.Parse(Console.ReadLine());
Massiv q = new Massiv();
q.Print(n);
Console.ReadKey();
}

33.
internal class Text

{
public void Print(string[] s,char c)
{
for (int i = 0; i < s.Length; i++)
{
if (s[i].Split(c).Length == 1)
{
Console.WriteLine(s[i]);
}
}
}
}

static void Main(string[] args)

{
StreamReader read = new StreamReader("d:\\oqiw.txt");
string[] s = read.ReadLine().Split(' ');
char c = char.Parse(read.ReadLine());
Text q = new Text();
q.Print(s,c);
read.Close();
Console.ReadKey();
}

34.
internal class Matrix

{
int m;
int n;
double[,] a;
public int M { get { return m; } set { m = value; } }
public int N { get { return n; } set { n = value; } }
public void Create_matrix()
{
a = new double[m, n];
Random r = new Random();
Console.WriteLine("Matrica elementlerin kiritin': ");
for (int i = 0; i < m; i++)
for (int j = 0; j < n; j++)
a[i, j] = r.Next(0, 100);
}
public void Print_matrix()
{
Console.WriteLine("Matrica : ");
for (int i = 0; i < m; i++)
{
for (int j = 0; j < n; j++)
Console.Write("\t" + a[i, j]);
Console.WriteLine();
}
}
public void Max()
{
double min = 0, index = 0;
for (int i = 0; i < m; i++)
{
double s = 1; for (int j = 0; j < n; j++) { s *= a[i, j]; }
if (i == 0) min = s;
else if (s < min)
{
min = s; index = i;
}
}
Console.WriteLine(index);
}
}

static void Main(string[] args)

{
Matrix ob = new Matrix();
Console.Write("M = "); ob.M = Convert.ToInt32(Console.ReadLine());
Console.Write("N = "); ob.N = Convert.ToInt32(Console.ReadLine());
ob.Create_matrix();
ob.Print_matrix();
ob.Max();
Console.ReadKey();
}

35.
internal class SumOff

{
public double Sum(double a, int n, ref double s)
{
int i;
for (i = 0; i < n; ++i)
{
s += Math.Pow(-1, n) * Math.Pow(a + n, n);
}
return s;
}
}

static void Main(string[] args)

{
double a = double.Parse(Console.ReadLine());
int n = int.Parse(Console.ReadLine());
double s = 1;
SumOff q = new SumOff();
q.Sum(a, n, ref s);
Console.WriteLine(s);
Console.ReadKey();
}

36.
internal class Text

{
public void Perfect(int a)
{
for (int i = a - 1; i > 0; i--)
{
int sum = 0, k = i;
for(int j = 2; j < k; j++)
{
if (k % j == 0)
{
sum++;
}
}
if (sum < 1)
{
Console.WriteLine(k);
break;
}
}
}
}

static void Main(string[] args)

{
string s = File.ReadAllText("d:\\Word.txt");
int a = Convert.ToInt32(s);
Text m = new Text();
m.Perfect(a);
Console.ReadLine();
}

37.
internal class Matrix

{
int m;
int n;
int[,] a;
public int M { get { return m; } set { m = value; } }
public int N { get { return n; } set { n = value; } }
public void Create_matrix()
{
a = new int[m, n];
Random r = new Random();
Console.WriteLine("Matrica elementlerin kiritin': ");
for (int i = 0; i < m; i++)
for (int j = 0; j < n; j++)
a[i, j] = r.Next(0, 100);
}
public void Print_matrix()
{
Console.WriteLine("Matrica : ");
for (int i = 0; i < m; i++)
{
for (int j = 0; j < n; j++)
Console.Write("\t" + a[i, j]);
Console.WriteLine();
}
}

public void OddnumberIndex()

{
int numdercol = -1;
for (int j = 0; j < n; j++)
{
bool odd = true;
for (int i = 0; i < m; i++)
{
if (a[i, j] % 2 == 0) odd = false;
}
if (odd)
{
numdercol = j;
break;
}
}
Console.WriteLine(numdercol);
}
}

static void Main(string[] args)

{
Matrix ob = new Matrix();
Console.Write("M = "); ob.M = Convert.ToInt32(Console.ReadLine());
Console.Write("N = "); ob.N = Convert.ToInt32(Console.ReadLine());
ob.Create_matrix();
ob.Print_matrix();
ob.OddnumberIndex();
Console.ReadLine();
}

38.
class Matrix

{
public int osiw(int[,] mat, int m, int n)
{
int result = -1;
int[] ar = new int[m];
int san;
for (int i = 0; i {
san = 0;
for (int j = 0; j < m; j++)
{
ar[j] = Convert.ToInt32(mat[j, i]);
}

Array.Sort(ar);

for (int j = 0; j < m; j++)
{
if (Convert.ToInt32(ar[j]) != Convert.ToInt32(mat[j, i]))
{
break;
}
else
{
san++;

}
}
if (san == m)

{
result = i;

break;
}

}

return result+1;

}
}

static void Main(string[] args)

{
Console.WriteLine("Matrica olshemin kiriting:");
int m = Convert.ToInt32(Console.ReadLine());
int n = Convert.ToInt32(Console.ReadLine());
int[,] matrica = new int[m, n];
Console.WriteLine("Matrica elementlerin kiritemiz: ");
for (int i = 0; i < m; i++)
{
for (int j = 0; j < n; j++)
{
matrica[i, j] = Convert.ToInt32(Console.ReadLine());
}
}

Console.WriteLine("");

for (int i = 0; i < m; i++)
{
for (int j = 0; j < n; j++)
{
Console.Write(matrica[i, j] + " ");
}
Console.WriteLine("");
}
Matrix mat = new Matrix();
Console.WriteLine(mat.osiw(matrica, m, n));
Console.ReadLine();
}

39.
class Fayl

{
public int Count(string S)
{
string[] ar = S.Split(' ');
int ulken=0, kish=0;
for (int i = 0; i < ar.Length; i++)
{
for (int j = 0; j < ar[i].Length; j++)
{
if (ar[i][j]>='A'&&ar[i][j]<='Z')
{
ulken = i;
i = ar.Length + 4;
break;
}
}
}
for (int i = ar.Length-1; i >=0 ; i--)
{
for (int j = 0; j < ar[i].Length; j++)
{
if (ar[i][j] >= 'a' && ar[i][j] <= 'z')
{
kish = i;
i = -1;
break;
}
}
}

return kish-ulken-2;

}

}

static void Main(string[] args)

{
string S = File.ReadAllText(@"C:\Users\user\Desktop\5-semestr\C# shb esap\ConsoleApplication4\4-ESAP.txt");// @"" ishine file jaylasqan orin kiritiledi.
Fayl ff = new Fayl();
Console.WriteLine(ff.Count(S));
Console.ReadKey();
}

40.
class Izbe_izlik

{
public string jiyindi(string izbe_izlik)
{
string[] ar = izbe_izlik.Split(' ');
int max = 0;
int sum = 0;
int index = 0;
for (int i = 0; i < ar.Length; i++)
{
if (ar[i] != "")
{
sum = 0;
for (int j = 0; j < ar[i].Length; j++)
{
sum += (Convert.ToInt32(ar[i][j]) - 48);
}
if (max < sum)
{
max = sum;
index = i;
}

}
}
return ar[index];

}
}

static void Main(string[] args)

{
Console.WriteLine("Izbe izlikti jazing: ");
string izbeIz = Console.ReadLine();
Izbe_izlik iz = new Izbe_izlik();
Console.WriteLine(iz.jiyindi(izbeIz));
Console.ReadKey();
}

41.
internal class Matrix

{
int m;
int n;
double[,] a;
public int M { get { return m; } set { m = value; } }
public int N { get { return n; } set { n = value; } }
public void Create_matrix()
{
a = new double[m, n];
Random r = new Random();
Console.WriteLine("Matrica elementlerin kiritin': ");
for (int i = 0; i < m; i++)
for (int j = 0; j < n; j++)
a[i, j] = r.Next(0, 100);
}
public void Print_matrix()
{
Console.WriteLine("Matrica : ");
for (int i = 0; i < m; i++)
{
for (int j = 0; j < n; j++)
Console.Write("\t" + a[i, j]);
Console.WriteLine();
}
}

public void Zero()

{
int numdercol = -1;
for (int j = 0; j < n; j++)
{
bool odd = false;
for (int i = 0; i < m; i++)
{
if (a[i, j] == 0) odd = true;
}
if (odd)
{
numdercol = j;
break;
}
}
Console.WriteLine(numdercol);
}
}

static void Main(string[] args)

{
Matrix ob = new Matrix();
Console.Write("M = "); ob.M = Convert.ToInt32(Console.ReadLine());
Console.Write("N = "); ob.N = Convert.ToInt32(Console.ReadLine());
ob.Create_matrix();
ob.Print_matrix();
ob.Zero();
Console.ReadLine();
}

42.
class Fayl

{
public string sortFile(string s)
{
string[] ar = s.Split(' ');
Array.Sort(ar);
s = "";
for (int i = 0; i < ar.Length; i++)
{
s+=ar[i]+" ";
}
return s;
}
}

static void Main(string[] args)

{
string S = File.ReadAllText(@"C:\Users\user\Desktop\5-semestr\C# shb esap\ConsoleApplication4\4-ESAP.txt");//fileornin kiritemiz
Fayl ff=new Fayl();
Console.WriteLine( ff.sortFile(S));
Console.ReadKey();
}

43.
class ASII

{
public string ConvertASII(string s)
{
string qatar="";
for (int i = 0; i < s.Length; i++)
{
if (s[i]>='A'&&s[i]<='Z')
{
qatar+=(int)(s[i]);
}
else
{
qatar += s[i];
}
}
return qatar;
}
}

static void Main(string[] args)

{
string S = File.ReadAllText(@"C:\Users\user\Desktop\5-semestr\C# shb esap\ConsoleApplication4\4-ESAP.txt");//fileornin kiritemiz
ASII ff = new ASII();
Console.WriteLine(ff.ConvertASII(S));
Console.ReadKey();
}

44.
internal class Degree

{
public bool isSquare(int k, ref bool t)
{
double x = Math.Round(Math.Sqrt(k));
t = (x * x == k);
return t;
}
}

static void Main(string[] args)

{
bool t = true;
int k = Convert.ToInt32(Console.ReadLine());
Degree q = new Degree();
Console.WriteLine(q.isSquare(k, ref t));
Console.ReadLine();
}

45.
internal class MinimumMax

{
public void Minmax(ref double x, ref double y)
{
double a = y;
if (x > y)
{
y = x; x = a;
}
}
}

static void Main(string[] args)

{
double x = double.Parse(Console.ReadLine());
double y = double.Parse(Console.ReadLine());
MinimumMax q = new MinimumMax();
q.Minmax(ref x, ref y);
Console.WriteLine(x);
Console.WriteLine(y);
Console.ReadKey();
}

46.
class TortMuyesh

{
public int Count(int A, int B, int C)
{
int a=0, b=0;
while(A>=C)
{
A = A - C;
a++;
}

while (B >= C)

{
B = B - C;
b++;
}
int sum=0;
for (int i = 0; i < b; i++)
{
sum += a;
}
return a*b;

}
}

static void Main(string[] args)
{
int A = Convert.ToInt32(Console.ReadLine());
int B = Convert.ToInt32(Console.ReadLine());
int C = Convert.ToInt32(Console.ReadLine());
TortMuyesh t = new TortMuyesh();
Console.WriteLine(t.Count(A,B,C));
Console.ReadKey();
}

47.
class Summa

{
public double Cumma(int N, int K) {
double S = 0;
for (int i = 1 ; i <= N; i++)
{
S += Math.Pow(i, K);
}
return S;
}

}

static void Main(string[] args)

{
Summa ss = new Summa();
int N = Convert.ToInt32(Console.ReadLine());
int K = Convert.ToInt32(Console.ReadLine());

Console.WriteLine(ss.Cumma(N, K));

Console.ReadKey();

}

48.

class Fayl
{
public string aIzlew(string S) {
string[] ar = S.Split(' ');
string ss = "";
for (int i = 0; i < ar.Length; i++)
{
for (int j = 0; j < ar[i].Length; j++)
{
if (ar[i][j]=='a')
{
ss += ar[i]+" ";
break;
}
}

}
return ss;

}
}

static void Main(string[] args)
{
string S = File.ReadAllText(@"C:\Users\user\Desktop\5-semestr\C# shb esap\ConsoleApplication4\4-ESAP.txt");//fileornin kiritemiz
Fayl ff = new Fayl();
Console.WriteLine(ff.aIzlew(S));
Console.ReadKey();
}