Compilare: main.cpp: In function 'int main()': main.cpp:17:15: warning: variable 'minn' set but not used [-Wunused-but-set-variable] int n, i, minn, rez = 0, maxx, st, vf; ^~~~ main.cpp:17:36: warning: variable 'st' set but not used [-Wunused-but-set-variable] int n, i, minn, rez = 0, maxx, st, vf; ^~ main.cpp:15:38: warning: ignoring return value of 'FILE* freopen(const char*, const char*, FILE*)', declared with attribute warn_unused_result [-Wunused-result] freopen("compact.in", "r", stdin); ^ main.cpp:16:40: warning: ignoring return value of 'FILE* freopen(const char*, const char*, FILE*)', declared with attribute warn_unused_result [-Wunused-result] freopen("compact.out", "w", stdout); ^ main.cpp:18:20: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result] scanf("%d", &n); ^ main.cpp:21:27: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result] scanf("%d", &v[i]); ^