1.2_借书方案知多少

#include<stdio.h>

int main()
{

int a;
int b;
int c;
int count = 0;

for(a = 1; a <= 5; a++)
{
for(b = 1; b <= 5; b++)
{
for(c = 1; c <= 5; c++)
{
if(a != b && b != c && c != a)
{
count++;
printf("A: %4d B: %4d C: %4d\n",a,b,c);
}
}
}
}

printf("The sum of scheme is %d\n",count);

return 0;
}