Cod sursa(job #583139)
Utilizator | Data | 18 aprilie 2011 10:42:45 | |
---|---|---|---|
Problema | Factorial | Scor | 10 |
Compilator | cpp | Status | done |
Runda | Arhiva de probleme | Marime | 0.32 kb |
#include<fstream>
using namespace std;
ifstream f("fact.in");
ofstream g("fact.out");
int main()
{long long p,j,nr,num=5,j2;
f>>p;
if(p>=1&&p<=4) {nr=p*5; g<<nr;}
else if(p==0) g<<1;
else
for(j=5;j<=1000*1000;j+=6)
{if(p!=j) {j2=j; if(p>=j2+1&&p<=j2+5) g<<p*5-num; num+=5; }
else if(p==j) g<<-1;}
}