검은 점 세기 더블릿

#include <stdio.h>
 
int arr[200][200] = { 0 };
 
int main() {
    int n;
    scanf("%d", &n);
 
    char order[10];
    int x, y, len;
    while (n--) {
        scanf("%s %d %d %d", order, &x, &y, &len);
        if (order[0] == 'B') {
            for (int i = y; i < y + len; i++) {
                for (int j = x; j < x + len; j++) {
                    arr[i][j] = 1;
                }
            }
        }
        else if (order[0] == 'W') {
            for (int i = y; i < y + len; i++) {
                for (int j = x; j < x + len; j++) {
                    arr[i][j] = 0;
                }
            }
        }
        else if (order[0] == 'T') {
            int tmp = 0;
            for (int i = y; i < y + len; i++) {
                for (int j = x; j < x + len; j++) {
                    if (arr[i][j] == 1)
                        tmp++;
                }
            }
            printf("%d\n", tmp);
        }
    }
}