题解 | 坐标移动

#include <bits/stdc++.h>
using namespace std;
int main() {
    vector<string> ss;
    string s;
    while(getline(cin,s,';'))ss.push_back(s);
    map<char,vector<int>> m={{'A',{-1,0}},{'D',{1,0}},{'W',{0,1}},{'S',{0,-1}}};
    int x=0,y=0;
    for(string s:ss){
        if(s.length()<2)continue;
        if(s[0]!='A'&&s[0]!='S'&&s[0]!='D'&&s[0]!='W')continue;
        if(!all_of(s.begin()+1,s.end(),[](char c){return c>='0'&&c<='9';}))continue;
        int z=stoi(s.substr(1));
        if(z>=100)continue;
        x+=m[s[0]][0]*z;
        y+=m[s[0]][1]*z;
    }
    cout<<x<<','<<y<<endl;
}