简单!!!
cpp
class Solution {
public:
int countTriples(int n) {
int cnt = 0;
for (int i = 1; i <= n; i++) {
for (int j = 1; j <= n; j++) {
for (int k = 1; k <= n; k++) {
if (i * i + j * j == k * k)
cnt++;
}
}
}
return cnt;
}
};