题解 | 坐标移动

#include<bits/stdc++.h>
using namespace std;
int x,y;
inline void movePeople(string number,char aim){
    long long m = stoll(number);
    if(aim == 'A') x -= m;
    else if(aim == 'D') x += m;
    else if(aim == 'W') y += m;
    else if(aim == 'S') y -= m;
}

int main() {
    char c;
    bool vis = true;
    bool getChar = false;
    char aim;
    string number = "",s;
    getline(cin,s);
    for(char&c:s){
        if(c == ';'){
            if(vis and number.size()){
                movePeople(number,aim);
            }
            vis = true;
            getChar = false;
            number = "";
        }else{

        if(!vis) continue;

        if(islower(c) or isupper(c)){
            if(getChar) vis = false;
            else{
                 getChar = true;
                 aim = c;
            }
        }else if(getChar) number += c;
        }
    }
    cout << x << ',' << y << endl;

}

单纯的简单模拟走一遍就可以了。

这里注意变量名的作用域

#牛客春招刷题训练营# + 链接