Cod sursa(job #66462)
Utilizator | MciprianM MciprianM | Data | 18 iunie 2007 19:09:30 |
---|---|---|---|
Problema | Cifra | Scor | 0 |
Compilator | cpp | Status | done |
Runda | Arhiva de probleme | Marime | 0.3 kb |
#include<fstream>
using namespace std;
int main(){
long long N,i;
ifstream f("cifra.in");
f>>N;
f.close();
long long cifra=0,m=1,n=0;
for(i=1;i<=N;i++){
m=1;
while(n<i){
m*=i;
n++;
}cifra+=m;
}
ofstream g("cifra.out");
g<<(cifra%10);
g.close();
return 0;
}