Cod sursa(job #2695251)
Utilizator | Mircea Rebengiuc mircea_007 | Data | 12 ianuarie 2021 11:52:38 |
---|---|---|---|
Problema | Ridicare la putere in timp logaritmic | Scor | 10 |
Compilator | c-64 | Status | done |
Runda | Arhiva educationala | Marime | 0.47 kb |
#include <stdio.h>
#define MOD 1999999973
int main(){
FILE *fin = fopen("lgput.in", "r");
FILE *fout = fopen("lgput.out", "w");
unsigned int n, p, paux, res;
fscanf(fin, "%u%u", &n, &p);
res = 1;
paux = n;
while( p > 0 ){
if( p & 1 )
res = ((unsigned long long)res) * paux;
paux = ((unsigned long long)paux) * paux;
p /= 2;
}
res %= MOD;// just in case
fprintf(fout, "%u\n", res);
fclose(fin);
fclose(fout);
return 0;
}