> 要是1000啥的还差不多。
#include <stdio.h>

int des[100][100],i,j,n,x,y,L;
char s[10];

int main()
{
    for(i = 0;i < 100;i++)
        for (j = 0;j < 100;j++)
            des[i][j] == 0;
    scanf("%d",&n);
    while (n-- >0)
    {
        scanf("%s %d %d %d",s,&x,&y,&L);
        if (s[0] == 'B')
            for (i = x;i<x+L;i++)
                for (j = y;j <y+L;j++)
                    des[i][j] = 1;
        if (s[0] == 'W')
            for (i = x;i<x+L;i++)
                for (j = y;j <y+L;j++)
                    des[i][j] = 0;
        if (s[0] == 'T')
        {   
            int count = 0;
            for (i = x;i<x+L;i++) 
                for (j = y;j <y+L;j++)
                    if (des[i][j] == 1) 
                        count++;
             printf("%d\n",count);
        }
    }
}