Cod sursa(job #1469562)
Utilizator | Stancu George tancu | Data | 8 august 2015 18:15:48 |
---|---|---|---|
Problema | Fractii | Scor | 0 |
Compilator | cpp | Status | done |
Runda | Arhiva de probleme | Marime | 0.62 kb |
#include <stdio.h>
#include <conio.h>
int cmmdc(int a, int b)
{
while (a != b)
if (a > b)
a = a - b;
else
b = b - a;
return a == 1 ? 0 : a;
}
int main()
{
int n, counter = 0;
FILE *in;
fopen_s(&in, "cmmdc.in", "r");
fscanf_s(in, "%d", &n);
fclose(in);
for (int a = 1; a <= n; a++)
{
for (int b = 1; b <= n; b++)
{ // a / b
if (a == 1 || b == 1)
counter++;
else
if (cmmdc(a, b) == 0)
counter++;
}
}
FILE *out;
fopen_s(&out, "cmmdc.out", "w");
fprintf_s(out, "%d", counter);
fclose(out);
return 0;
}