题解 | #坐标移动#

#include <limits.h>
#include <stdio.h>
#include <string.h>
int judge(char* str) {
    int num = 0;
    int len = strlen(str);
    if (len == 2 && str[1] >= '0' && str[1] <= '9' ) {
        
        num = str[1] - '0';
        
        return num;
    }
    if (len == 3 && str[1] >= '0' && str[1] <= '9' && str[2] >= '0' &&
            str[2] <= '9') {
        if (str[1] != '0' && str[2] != 0) {
            num = (str[1] - '0') * 10 + (str[2] - '0');

        } else {
            num = str[1] - '0';
        }
        return num;
    } else {
        return 0;
    }
    

}
int main() {
    int x = 0, y = 0;
    int len;
    char str[10001];
    char str_tmp[10001][10];
    scanf("%s", str);
    len = strlen(str);
    int k = 0, j = 0;
    for (int i = 0; i < len; i++) {
        if (str[i] != ';') {
            str_tmp[k][j++] = str[i];
        } else {
            k++;
            j = 0;
        }
    }
    for (int i = 0; i <= k; i++) {
        if (str_tmp[i][0] == 'A') {
            x -= judge(str_tmp[i]);
        } else if (str_tmp[i][0] == 'D') {
            x += judge(str_tmp[i]);
        } else if (str_tmp[i][0] == 'W') {
            y += judge(str_tmp[i]);
        } else if (str_tmp[i][0] == 'S') {
            y -= judge(str_tmp[i]);
        }
    }
    printf("%d,%d", x, y);
    return 0;
}