完美立方

#include<stdio.h>

int main()
{
unsigned int a, b, c, d, N = 100;
scanf("%d", &N);
if (N <= 100 && N > 0)
{
for(a = 2; a <= N; a++)
{
for(b = 2; b < a; b++)
{
for(c = b; c < a; c++)
{
for(d = c; d < a; d++)
{
if (a*a*a == b*b*b + c*c*c + d*d*d)
{
printf("Cube = %d, Triple = (%d,%d,%d)\n",a,b,c,d);
}
}
}
}
}
}
}