Pagini recente » Cod sursa (job #951343) | Cod sursa (job #2671428) | Cod sursa (job #206521) | Cod sursa (job #1353321) | Cod sursa (job #895397)
Cod sursa(job #895397)
#include<stdio.h>
using namespace std;
FILE*A,*B;
long long unsigned i,k,j,c,numarator=1,n,numitor=1,x,sem=1;
int main()
{
A=fopen("dirichlet.in","r");
B=fopen("dirichlet.out","w");
fscanf(A,"%llu",&n);
c=9999991;
for(i=n+2;i<=2*n;i++){numarator=(numarator*(i%c))%c;if(numarator==0||sem==0){sem=0;i=2*n+1;}}
for(i=2;i<=n;i++){numitor=(numitor*(i%c))%c;if(numitor==0||sem==0){sem=0;i=n+1;}}
x=1;
if(sem==1)
{
while((numitor*x)%c!=1)x++;
k=1;k=(numarator*x)%c;
fprintf(B,"%llu",k);
}
else fprintf(B,"0");
}