题解 | #坐标移动#
坐标移动
https://www.nowcoder.com/practice/119bcca3befb405fbe58abe9c532eb29
import java.util.*;
public class Main {
    public static void main(String[] args) {
        Scanner fzhinput = new Scanner(System.in);
        String command = fzhinput.nextLine();
        String sqcommand[] = command.split(";");
        int i,j,jl,a=0,b=0;
        Character sjl;
        Boolean pd;
        StringBuilder stack = new StringBuilder();
        
        
        for(i=0;i<sqcommand.length;i++){
            pd=false;
            for(j=1;j<sqcommand[i].length();j++){
                    if(!Character.isDigit(sqcommand[i].charAt(j))){
                        pd=false;
                    }
                    else if(sqcommand[i].charAt(0)=='A'){
                        pd=true;
                    }
                    else if(sqcommand[i].charAt(0)=='D'){
                        pd=true;
                    }
                    else if(sqcommand[i].charAt(0)=='W'){
                        pd=true;
                    }
                    else if(sqcommand[i].charAt(0)=='S'){
                        pd=true;
                    }
                    else{
                    }
                    
                }
            if(!pd){
            }
            else if(pd && sqcommand[i].charAt(0)=='A'){
                for(j=1;j<sqcommand[i].length();j++){
                    sjl = sqcommand[i].charAt(j);
                    stack.append(sjl);
                }
                jl = Integer.parseInt(stack.toString());
                a=a-jl;
                stack.setLength(0);
            }
            else if(pd && sqcommand[i].charAt(0)=='D'){
                for(j=1;j<sqcommand[i].length();j++){
                    sjl = sqcommand[i].charAt(j);
                    stack.append(sjl);
                }
                jl = Integer.parseInt(stack.toString());
                a=a+jl;
                stack.setLength(0);
            }
            else if(pd && sqcommand[i].charAt(0)=='W'){
                for(j=1;j<sqcommand[i].length();j++){
                    sjl = sqcommand[i].charAt(j);
                    stack.append(sjl);
                }
                jl = Integer.parseInt(stack.toString());
                b=b+jl;
                stack.setLength(0);
            }
            else if(pd && sqcommand[i].charAt(0)=='S'){
                for(j=1;j<sqcommand[i].length();j++){
                    sjl = sqcommand[i].charAt(j);
                    stack.append(sjl);
                }
                jl = Integer.parseInt(stack.toString());
                b=b-jl;
                stack.setLength(0);
            }
        }
        System.out.println(a+","+b);
    }
}

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