Compilare: user.cpp: In function ‘int main()’: user.cpp:53:21: warning: unused variable ‘pozf’ [-Wunused-variable] int pozi=1, pozf, pozim, pozfm; ^~~~ user.cpp:53:34: warning: unused variable ‘pozfm’ [-Wunused-variable] int pozi=1, pozf, pozim, pozfm; ^~~~~ user.cpp:36:37: warning: ignoring return value of ‘FILE* freopen(const char*, const char*, FILE*)’, declared with attribute warn_unused_result [-Wunused-result] freopen("mirror.in", "r", stdin); ^ user.cpp:37:39: warning: ignoring return value of ‘FILE* freopen(const char*, const char*, FILE*)’, declared with attribute warn_unused_result [-Wunused-result] freopen("mirror.out", "w", stdout); ^ user.cpp:38:20: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] scanf("%d", &c); ^ user.cpp:41:31: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] scanf("%d %d", &n, &k); ^ user.cpp:45:31: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] scanf("%d", &a[i]); ^ user.cpp:74:48: warning: ‘pozim’ may be used uninitialized in this function [-Wmaybe-uninitialized] printf("%d \n%d %d", lmax, pozim, pozim+lmax-1); ~~~~~^~~~~