Cod sursa(job #279823)
Utilizator | Data | 12 martie 2009 23:43:51 | |
---|---|---|---|
Problema | Cifra | Scor | 0 |
Compilator | cpp | Status | done |
Runda | Arhiva de probleme | Marime | 0.28 kb |
#include<fstream.h>
int main(){ long long t,n,s,c,i;
ifstream f("cifra.in");
ofstream g("cifra.out");
f>>t;
for(i=1;i<=t;i++){ f>>n;
s=(n*(n+1)*(2*n+1))/6;
c=s%10;
g<<c<<"\n";
}
return 0;
}