zhyf • 12小时前
using namespace std;
int main() {
int k, sum = 0;
cin >> k;
for (int a = 0; a <= 50; a++) {
for (int b = 0; b <= 30; b++) {
for (int c = 0; c <= 20; c++) {
if (a * a + b * b * 2 + c * c * 3 == k)
sum++;
}
}
}
cout << sum;
return 0;
}
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