1 dan n gacha sonlarning Yig’indisini topish dasturi Sum= Dastur kodi


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1-Laboratoriya ishi

Yig’indi va ko’paytmalar



  1. 1 dan n gacha sonlarning Yig’indisini topish dasturi

Sum=

Dastur kodi

#include

#include

using namespace std;

int main()

{

long long sum=0,i,n;



cin>>n;

for(i=1;i<=n;i++)

{

sum+=i;


}

cout<

}


  1. 1 dan n gacha sonlar ko’paytmasini topish;

P=

Dastur kodi

#include

#include

using namespace std;

int main()

{

long long P=1,i,n;



cin>>n;

for(i=1;i<=n;i++)

{

P*=i;


}

cout<



}

O’rin almashtirish va faktori

  1. n tartibli o’rin almashtirish.

P(n)=1*2*3*..*(n-1)*n=n!;

P(n)= P=



Dastur kodi

#include

#include

using namespace std;

int main()

{

long long P=1,i,n;



cin>>n;

for(i=1;i<=n;i++)

{

P*=i;


}

cout<



}

  1. n faktorialni topish

n!=1*2*3*..*n;

Dastur kodi

#include

#include

using namespace std;

long faktorial(long a)

{

if(a==0 || a==1)



return 1;

else return a*faktorial(a-1);

}

int main()



{

long long n;

cin>>n;

cout<

return 0;

}

Fibonachi sonlarini topish



  1. n-Fibonachi sonini topish

f[1]=0;f[2]=1;

f[n]=f[n-1]+f[n-2];



Dastur kodi

#include

#include

using namespace std;

int main()

{

long long n,f[10000],i;



cin>>n;

f[1]=0;f[2]=1;

for(i=3;i<=n;i++)

{

f[i]=f[i-1]+f[i-2];



}

cout<

return 0;

}

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