Compilare: user.c: In function ‘main’: user.c:70:13: warning: format ‘%d’ expects argument of type ‘int *’, but argument 2 has type ‘_Bool *’ [-Wformat=] scanf("%d", &active[i][j]); ^ user.c:61:9: warning: ignoring return value of ‘freopen’, declared with attribute warn_unused_result [-Wunused-result] freopen("car.out", "w", stdout); ^ user.c:66:7: warning: ignoring return value of ‘scanf’, declared with attribute warn_unused_result [-Wunused-result] scanf("%d%d", &N, &M); ^ user.c:67:7: warning: ignoring return value of ‘scanf’, declared with attribute warn_unused_result [-Wunused-result] scanf("%d%d%d%d", &ini_i, &ini_j, &fin_i, &fin_j); ^ user.c:70:18: warning: ignoring return value of ‘scanf’, declared with attribute warn_unused_result [-Wunused-result] scanf("%d", &active[i][j]); ^