「SuperOJ 215」移动机器人

#include <bits/stdc++.h>
using namespace std;
int x, y, ctrl;
int main() {
    ios::sync_with_stdio(false);
    cin.tie(NULL);
    cin >> x >> y >> ctrl;
    switch (ctrl) {
        case 1: cout << x - 1 << " " << y, exit(0);
        case 2: cout << x + 1 << " " << y, exit(0);
        case 3: cout << x << " " << y + 1, exit(0);
        case 4: cout << x << " " << y - 1, exit(0);
        case 5: cout << x << " " << -y, exit(0);
        case 6: cout << -x << " " << y, exit(0);
        case 7: cout << -x << " " << -y, exit(0);
        case 8: cout << -y << " " << x, exit(0);
        case 9: cout << y << " " << -x, exit(0);
    }
    return 0;
}