Cod sursa(job #517118)
Utilizator | Andrei andrey932 | Data | 27 decembrie 2010 20:31:15 |
---|---|---|---|
Problema | Ridicare la putere in timp logaritmic | Scor | 100 |
Compilator | cpp | Status | done |
Runda | Arhiva educationala | Marime | 0.46 kb |
#include <iostream>
#include <stdio.h>
using namespace std;
#define MOD 1999999973
FILE *fin=fopen("lgput.in","r"),*fout=fopen("lgput.out","w");
unsigned int i,n,p;
unsigned long long rez,valp;
int main()
{
fscanf(fin,"%d %d",&n,&p);
valp=n;
rez=1;
for(i=0; (1<<i)<=p;i++) {
if ( ((1<<i)&p) >0 ) rez=(rez*valp)%MOD;
valp=(valp*valp)%MOD;
}
fprintf(fout,"%lld\n",rez);
fclose(fout);
return 0;
}