Cod sursa(job #93548)

Utilizator cotofanaCotofana Cristian cotofana Data 19 octombrie 2007 08:39:54
Problema Factorial Scor 10
Compilator cpp Status done
Runda Arhiva de probleme Marime 0.35 kb
Raporteaza aceasta sursa 
#include <stdio.h>

int main()
{
	int p, n;
	FILE *f=fopen("fact.in", "r");
	fscanf(f, "%d", &p);
	fclose(f);

	if (p%2==0) n=p/2*10;
	else n=(p+1)/2*10-5;
	if (n==0) n++;

	if (n>25) n-=5;
	if (n>100) n-=(n/100*5);
	if (n>125) n-=5;
	if (n>1000) n-=(n/1000*10);

	f=fopen("fact.out", "w");
	fprintf(f, "%d", n);
	fclose(f);
	return 0;
}