01: #include <stdio.h>
02:
03: int main(void)
04: {
05: int a, b, c;
06: int n = 0;
07: int left;
08:
09: for(a = 10;a <= 99;a++){
10: for(b = a+1;b <= 99;b++){
11: left = a*a + b*b;
12: for(c = b+1;left >= c*c && c <= 99;c++){
13: if(c*c == left){
14: printf("%d^2 + %d^2 = %d^2\n", a, b, c);
15: n++;
16: break;
17: }
18: }
19: }
20: }
21: printf("%d\n", n);
22: return 0;
23: }