Compilare: user.c: In function ‘searchmaxs’: user.c:30:12: warning: unused variable ‘j’ [-Wunused-variable] int i, j, next; ^ user.c: In function ‘main’: user.c:54:11: warning: ignoring return value of ‘fscanf’, declared with attribute warn_unused_result [-Wunused-result] fscanf(in, "%d", &n); ^ user.c:57:19: warning: ignoring return value of ‘fscanf’, declared with attribute warn_unused_result [-Wunused-result] fscanf(in, "%d%d", &val, &colo); ^ user.c: In function ‘searchmins’: user.c:24:11: warning: ‘lung’ may be used uninitialized in this function [-Wmaybe-uninitialized] lung1 = lung; ^ user.c:23:12: warning: ‘start’ may be used uninitialized in this function [-Wmaybe-uninitialized] start1 = start; ^ user.c: In function ‘searchmaxs’: user.c:46:11: warning: ‘lung’ may be used uninitialized in this function [-Wmaybe-uninitialized] lung2 = lung; ^ user.c:45:12: warning: ‘start’ may be used uninitialized in this function [-Wmaybe-uninitialized] start2 = start; ^