#include <stdio.h>
#include <iostream>
int main()
{
    int s, w, h;
    FILE *in = fopen("kart.bmp.bmp", "rb");
    if (in == NULL) {
        printf("error\n");
        system("pause");
        return -1;
    }
    FILE *out = fopen("out.bmp", "wb");
    if (out == NULL) {
        printf("error\n");
        system("pause");
        return -1;
    }
    fseek(in, 18, SEEK_SET);
    fread(&w, 4, 1, in);
    fseek(in, 22, SEEK_SET);
    fread(&h, 4, 1, in);
    for (int i = 1; i <= (h*w); i++) {
        unsigned char tmp, tmp1;
        tmp = 0;
        tmp1 = 0;
        fseek(in, i, SEEK_SET);
        fread(&tmp, 1, 1, in);
        fseek(out, i, SEEK_SET);
        fwrite(&tmp1, 1, 1, out);
    }
    fseek(in, 2, SEEK_SET);
    fread(&s, 4, 1, in);
    for (int j = (h*w + 1); j <= s-3; j=j + 3) {
        unsigned char tmp, tmp1, tmp2, tmp3;
        tmp = 0;
        tmp1 = 0;
        tmp2 = 0;
        tmp3 = 0;
        fseek(in, j, SEEK_SET);
        fread(&tmp1, 1, 1, in);
        fseek(in, j+1, SEEK_SET);
        fread(&tmp2, 1, 1, in);
        fseek(in, j+2, SEEK_SET);
        fread(&tmp3, 1, 1, in);
        if ((tmp1 != 255) && (tmp2 != 255) && (tmp3 != 255)) {
            tmp = 0;
            tmp1 = 0;
            tmp2 = 0;
            tmp3 = 0;
        }
        fseek(out, j, SEEK_SET);
        fwrite(&tmp1, 1, 1, out);
        fseek(out, j + 1, SEEK_SET);
        fwrite(&tmp2, 1, 1, out);
        fseek(out, j + 2, SEEK_SET);
        fwrite(&tmp3, 1, 1, out);

    }
    fclose(in);
    fclose(out);
    printf("end\n");
    system("pause");
    return 0;
}