Cod sursa(job #154341)
| Utilizator |  Zozo Zozo Zozel |
Data | 11 martie 2008 09:42:32 |
|---|---|---|---|
| Problema | Factorial | Scor | 15 |
| Compilator | cpp | Status | done |
| Runda | Arhiva de probleme | Marime | 0.33 kb |
#include<stdio.h>
int main(){
unsigned long p,max,optim,verify;
FILE *fin=fopen("fact.in","r");
FILE *fout=fopen("fact.out","w");
fscanf(fin,"%lu",&p);
max=p*5;
optim=max/25;
verify=25*optim;
max-=optim*5;
if(verify>max) fprintf(fout,"%d",-1);
else fprintf(fout,"%lu",max);
fclose(fin);
fclose(fout);
return 0;
}