Cod sursa(job #1344369)

Utilizator mihaimihaiMihai Anton mihaimihai Data 16 februarie 2015 17:56:30
Problema Cifra Scor 0
Compilator cpp Status done
Runda Arhiva de probleme Marime 0.3 kb
Raporteaza aceasta sursa 
#include <fstream>
#include <math.h>
using namespace std;
ifstream f("cifra.in");
ofstream g("cifra.out");
int uc(int i)
{
  int u=i%10;
  if(i%4==0)return u*u*u*u%10;
  else return (int)pow(u,i%4)%10;
}


int main()
{int n,i,s=0;
f>>n;
for(i=1;i<=n;i++)
{
  s=(s+uc(i))%10;
}
g<<s%10;
}