小编All*_*len的帖子

location pick(void){    // generates a random location
     location get;
     get.x = rand() % FIELD_SIZE + 1;
     int forY = rand() % FIELD_SIZE +1;
    switch(forY){
    case 1:
        get.y = 'a';
            break;
    case 2:
        get.y = 'b';
            break;
    case 3:
        get.y = 'c';
            break;
    case 4:
        get.y = 'd';
            break;
    case 5:
        get.y = 'e';
            break;
    }

}