Compilare: user.c: In function ‘readi’: user.c:13:10: warning: ignoring return value of ‘scanf’, declared with attribute warn_unused_result [-Wunused-result] scanf("%d.%d", &part1, &part2); ^ user.c: In function ‘main’: user.c:119:12: warning: ignoring return value of ‘freopen’, declared with attribute warn_unused_result [-Wunused-result] freopen("strava.in", "r", stdin); ^ user.c:120:12: warning: ignoring return value of ‘freopen’, declared with attribute warn_unused_result [-Wunused-result] freopen("strava.out", "w", stdout); ^ user.c:123:10: warning: ignoring return value of ‘scanf’, declared with attribute warn_unused_result [-Wunused-result] scanf("%i", &t); ^ user.c:128:14: warning: ignoring return value of ‘scanf’, declared with attribute warn_unused_result [-Wunused-result] scanf("%i", &n); ^ user.c: In function ‘get’: user.c:85:8: warning: ‘to’ may be used uninitialized in this function [-Wmaybe-uninitialized] if (cmp + 10000 >= to) { ^ user.c:85:13: warning: ‘cmp’ may be used uninitialized in this function [-Wmaybe-uninitialized] if (cmp + 10000 >= to) { ^