题解 | #坐标移动#

#include <stdio.h>
#include <string.h>
#include <math.h>

#define MAX 10002

void fun(char* str, int len, int x, int y) {
    int flag = 0;
    int sig = 0;
    int tmp = 0;
    for (int i = 0; i < len; i++) {
        if (flag == 0) {
            if ((str[i] == 'A' || str[i] == 'S' || str[i] == 'D' || str[i] == 'W')) {
                flag = 1;
                if (str[i] == 'A')
                    sig = 1;
                else if (str[i] == 'S')
                    sig = 2;
                else if (str[i] == 'D')
                    sig = 3;
                else if (str[i] == 'W')
                    sig = 4;
                continue;
            } else {
                while (str[i] != ';') {
                    i++;
                }
                flag = 0;
                continue;
            }

        }

        int mi = 0;
        while ((str[i] >= '0' && str[i] <= '9') || str[i] == ';') {
            if (str[i] >= '0' && str[i] <= '9') {
                tmp = tmp * pow(10, mi++) + (str[i] - '0');
                i++;
            } else {
                if (sig == 1)
                    x = x - tmp;
                else if (sig == 2)
                    y = y - tmp;
                else if (sig == 3)
                    x = x + tmp;
                else if (sig == 4)
                    y = y + tmp;
                tmp = 0;
                flag = 0;
                break;
            }
        }

        if (str[i] != ';') {
            while (str[i] != ';') {
                i++;
            }
            flag = 0;
            tmp = 0;
        }

    }
    printf("%d,%d", x, y);
}


int main() {

    char cord[MAX];
    fgets(cord, sizeof(cord), stdin);
    cord[strlen(cord) - 1] = '\0';
    int len = strlen(cord);

    int x = 0;
    int y = 0;

    fun(cord, len, x, y);

    return 0;
}