Cod sursa(job #1811950)
Utilizator | Data | 21 noiembrie 2016 18:50:50 | |
---|---|---|---|
Problema | Ridicare la putere in timp logaritmic | Scor | 100 |
Compilator | cpp | Status | done |
Runda | Arhiva educationala | Marime | 0.41 kb |
#include <cstdio>
using namespace std;
int main()
{
int r,N,put,pr,P;
FILE *f=fopen("lgput.in","r");
fscanf(f,"%d%d",&N,&P);
put=1;
pr=N;
do
{
r=P%2;
P/=2;
if(r)
put=((long long)put*pr)%1999999973;
pr=((long long)pr*pr)%1999999973;
}while(P);
fclose(f);f=fopen("lgput.out","w");
fprintf(f,"%d",put);
return 0;
}