ZJANS

c315. I, ROBOT 前傳

Easy Last Update: 2026/01/24

解法一

✅ 完整代碼

評分結果(參考) : AC (2ms, 340KB)

#include <bits/stdc++.h>
#define int long long
using namespace std;

signed main(){
    ios::sync_with_stdio(false);
    cin.tie(nullptr);

    int n, a, b;
    cin >> n;
    
    int x=0, y=0;
    int dx[4] = {0, 1, 0, -1};
    int dy[4] = {1, 0, -1, 0};
    
    for(int i=0; i<n; i++){
        cin >> a >> b;
        x += dx[a]*b;
        y += dy[a]*b;
    }
    
    cout << x << " " << y;
    
    return 0;
}