题解 | #坐标移动#

//代码作者：在发动态的喜羊羊很爱喝奶茶；此代码为转载
#include <bits/stdc++.h>
using namespace std;

class My_vector {
  public:
    My_vector() {};
    My_vector(char s, int num) {
        switch (s) {
            case 'A':
                x = -1;
                break;
            case 'D':
                x = 1;
                break;
            case 'W':
                y = 1;
                break;
            case 'S':
                y = -1;
                break;
            default:
                x = 0, y = 0;
                break;
        }
        if (0 < num < 100) {
            x *= num;
            y *= num;
        } else {
            x = 0;
            y = 0;
        }

    }
    My_vector operator+(const My_vector&
                        b) { //类内重载，运算符重载函数作为类的成员函数
        My_vector ret;
        ret.x = this->x + b.x;
        ret.y = this->y + b.y;
        return ret;
    }
    int x = 0, y = 0;
};

void split(string str, vector<string>& res) {
    char* str_ch = str.data();
    char* p = strtok(str_ch, ";");
    while (p != NULL) {
        string tem(p);
        // cout<<tem<<" ";
        res.push_back(tem);
        p = strtok(NULL, ";");
    }

}

int main() {
    string str;
    vector<string> res;
    My_vector ans;
    stringstream ss;
    while (getline(cin, str)) {
        split(str, res);
        for (int i = 0; i < res.size(); i++) {

            string tem = res[i];
            int tem_int;
            if (tem.size() == 1 || tem.size() > 3 || tem[1] > 61 || tem[2] > 61)
                continue;
            tem_int = std::stoi(tem.substr(1));
            //cout <<tem_int<<" ";
            My_vector temp(tem[0], tem_int);
            ans = ans + temp;
        }
    }

    cout << ans.x << "," << ans.y;
}