Cod sursa(job #709074)
| Utilizator |  Danut Rusu Danuts |
Data | 7 martie 2012 17:27:02 |
|---|---|---|---|
| Problema | Cifra | Scor | 0 |
| Compilator | cpp | Status | done |
| Runda | Arhiva de probleme | Marime | 0.33 kb |
#include<iostream>
#include<fstream>
using namespace std;
ifstream f("cifra.in");
ofstream g("cifra.out");
int n,t,k,i;
long long int s;
int main (){
f>>t;
for(i=1;i<=t;i++){
f>>n;s=0;
for(k=1;k<=n;k++){
if(k%2==0)
s+=(k*k)%10;
else
if(k%2!=0)
s+=(k*k*k)%10;
}
g<<s%10<<endl;
}
return 0;
}