题解 | #坐标移动#

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

int main() {
    char strTable[10000 ];
    scanf("%s",strTable);
    char Pos[10];
    memset(Pos, 0, sizeof(Pos));
    char *pointer = strTable;
    int x=0,y=0;
    int flag =0;
    while (1) {
        char *temp = strchr(pointer, ';');
        if(temp==NULL) break;
        *temp = 0;
        if(*(temp+1)==';') {
            *(temp+1) = 0;
            temp++;
        }
        strcpy(Pos, pointer);
        temp++;
        //
        pointer = temp;
        //
        flag = 0;
        if(Pos[0]!='W'&&Pos[0]!='A'&&Pos[0]!='S'&&Pos[0]!='D') continue; //首位不是WASD
        for (int i=1; i<strlen(Pos); i++) {
            if(Pos[i]<'0' || Pos[i]>'9') flag = 1;
        }

        if(!flag) {
            int tempxy = 0;
            if(Pos[0]=='W') {
                sscanf(Pos,"W%d",&tempxy);
                y+=tempxy;
            }else if (Pos[0]=='A') {
                sscanf(Pos,"A%d",&tempxy);
                x-=tempxy;
            } else if (Pos[0]=='S') {
                sscanf(Pos,"S%d",&tempxy);
                y-=tempxy;
            }else if (Pos[0]=='D') {
                sscanf(Pos,"D%d",&tempxy);
                x+=tempxy;
            }
        }
    }
    printf("%d,%d",x,y);
    return 0;
}