PROG-1016: Treasure

#include <bits/stdc++.h>

using namespace std;

double cal(double x,double y){
    return sqrt(x*x + y*y);
}

int main(){
    string input;
    double x = 0,y = 0;
    int dis;
    string direct;
    cin >> dis >> direct;
    while(dis>=1 and dis<=999){
        double dist = (double)dis;
        if(direct == "N")
            y += dis;
        else if(direct == "E")
            x += dis;
        else if(direct == "W")
            x -= dis;
        else if(direct == "S")
            y -= dis;
        else{
            dist = dist/sqrt(2);
            if(direct == "NE"){
                x += dist;
                y += dist;
            }
            else if(direct == "SE"){
                x += dist;
                y -= dist;
            }
            else if(direct == "SW"){
                x -= dist;
                y -= dist;
            }
            else if(direct == "NW"){
                x -= dist;
                y += dist;
            }
        }
        cin >> dis >> direct;
    }
    printf("%.3f %.3f\n",x,y);
    printf("%.3f",cal(x,y));
}