Cod sursa(job #155721)

Utilizator m3rikPaul Urziceanu m3rik Data 12 martie 2008 09:31:49
Problema Cifra Scor 0
Compilator cpp Status done
Runda Arhiva de probleme Marime 0.32 kb
Raporteaza aceasta sursa 
#include<fstream.h>

int main()
{
	int sum=0,x,j,k,t;
	unsigned long long n,i;
	ifstream fin("cifra.in");
	ofstream fout("cifra.out");
	fin>>t;
	for(k=1;k<=t;k++)
	{
	fin>>n; sum=0;
	for(i=1;i<=n;i++)
	{	x=1;
		for(j=1;j<=i;j++)
		       x=x*(i%10);
		sum=(sum+x)%10;
	}
	fout<<sum<<"\n";
	}
	return 0;
}