Cod sursa(job #405272)

Utilizator barcanvirgilBarcan Virgil-Gheorghe barcanvirgil Data 27 februarie 2010 20:35:19
Problema Cifra Scor 0
Compilator cpp Status done
Runda Arhiva de probleme Marime 0.3 kb
Raporteaza aceasta sursa 
#include<fstream.h>
int n,s,p,c,r,i,j,t;
ifstream f("cifra.in");
ofstream g("cifra.out");
int main(){
	f>>t;
	while(t){
	f>>n;
	s=0;
	for(i=1; i<=n; i++){
		c=i%10;
		p=1;
		r=i%4;
		if(r==0) r=4;
		for(j=1; j<=r; j++) p=(p*c)%10;
		s=(s+p)%10;
	}
	g<<s<<'\n';
	t--;
	}
	return 0;
}