Mai intai trebuie sa te autentifici.
Cod sursa(job #361460)
| Utilizator | Data | 5 noiembrie 2009 11:12:37 | |
|---|---|---|---|
| Problema | Ridicare la putere in timp logaritmic | Scor | 10 |
| Compilator | cpp | Status | done |
| Runda | Arhiva educationala | Marime | 0.42 kb |
#include<stdio.h>
#define mod 1999999973
#define ulong unsigned long
ulong n,m;
ulong putere ( ulong a, ulong b){
ulong r=1;
while ( b>0 ){
if ( b & 1 ){
r*=a;
r%=mod;
b--;
}
a*=a;
a%=mod;
b >>=1 ;
}
return r;
}
int main(){
FILE *f=fopen("lgput.in", "r");
FILE *g=fopen("lgput.out","w");
fscanf(f,"%ld%ld",&n,&m);
fprintf(g,"%ld",putere(n,m));
return 0;
}