题解 | #坐标移动#

#include <cstdio>
#include <iostream>
#include <vector>
using namespace std;
bool judge(string n)
{
    if(!(n[0]=='A'||n[0]=='S'||n[0]=='W'||n[0]=='D'))
    return false;
    string number=n.substr(1,n.size());
    for(int i=0;i<number.size();i++)
    if(!(number[i]>='0'&&number[i]<='9'))
    return false;
    return true;
}

int main() {
   string n;
   vector<string> vc;
   int x=0,y=0;
   while(getline(cin,n,';')) 
   {
    if(judge(n))
      {
        string number=n.substr(1,n.size()-1);
        if(n[0]=='A') x-=stoi(number);
        else if(n[0]=='S') y-=stoi(number);
        else if(n[0]=='W') y+=stoi(number);
        else if(n[0]=='D') x+=stoi(number);
      }
   }
   cout<<x<<","<<y<<endl;
}
// 64 位输出请用 printf("%lld")