Cod sursa(job #416597)

Utilizator adrianraduleaRadulea Adrian adrianradulea Data 12 martie 2010 23:48:44
Problema Ridicare la putere in timp logaritmic Scor 10
Compilator cpp Status done
Runda Arhiva educationala Marime 0.39 kb
#include<stdio.h>
FILE *f,*g;
long long x,n;
inline long long lgput(long long x,long long n)
{ if(n==0) return 1;
  else if(n%2) return (lgput(x,n/2)*lgput(x,n/2)*x)%1999999973;
  else return (lgput(x,n/2)*lgput(x,n/2))%1999999973;
}
int main()
{ f=fopen("lgput.in","r"); g=fopen("lgput.out","w");
  fscanf(f,"%lld%lld",&x,&n);
  fprintf(g,"%lld",lgput(x,n));
  fclose(g);
  return 0;
}