#include using namespace std; //思路:倒推,逆向思维 int main() { int a = 8, b = 8, c = 8; int sum = a + b + c; a /= 2; b /= 2; c = sum - a - b; a /= 2; c /= 2; b = sum - a - c; b /= 2; c /= 2; a = sum - b - c; cout << a << " " << b << " " << c << ""; return 0; }