/* Phan so */
#include <stdio.h>
int USCLN(int a, int b)
{
a = abs(a);
b = abs(b);
while (a != 0 && b != 0)
if (a > b)
a -= b;
else
b -= a;
if (a == 0)
return b;
else
return a;
}
int BSCNN(int a, int b)
{
return a * b / USCLN(a, b);
}
typedef struct tagphanso {
int tuso, mauso;
