Compilare: user.c: In function ‘main’: user.c:16:11: warning: ignoring return value of ‘fscanf’, declared with attribute warn_unused_result [-Wunused-result] fscanf(f, "%d", &T); ^ user.c:20:15: warning: ignoring return value of ‘fscanf’, declared with attribute warn_unused_result [-Wunused-result] fscanf(f, "%d", &N); ^ user.c:23:10: warning: ignoring return value of ‘fscanf’, declared with attribute warn_unused_result [-Wunused-result] fscanf(f, "%d%d", &x, &y); ^ user.c:78:6: warning: ‘y1’ may be used uninitialized in this function [-Wmaybe-uninitialized] if(min2 > y1) ^ user.c:72:6: warning: ‘x1’ may be used uninitialized in this function [-Wmaybe-uninitialized] if(min1 > x1) ^