Cod sursa(job #1687963)
Utilizator | Data | 13 aprilie 2016 10:12:49 | |
---|---|---|---|
Problema | Factorial | Scor | 5 |
Compilator | cpp | Status | done |
Runda | Arhiva de probleme | Marime | 0.31 kb |
#include <fstream>
using namespace std;
int n,p,i,k=0,h,j,w,c;
ifstream fin("fact.in");
ofstream fout("fact.out");
int main()
{fin>>p;
if(p==0)fout<<"1";
else{
while(k!=p)
{
h=h+5;k++;
if(h%25==0 )
k+=(h/25)*2-1;
}
if(k>p){fout<<-1;return 0;}
}
fout<<h;
return 0;
}