Compilare: user.cpp: In function ‘int main()’: user.cpp:25:13: warning: unused variable ‘maxf’ [-Wunused-variable] int N, h, maxf = 0, my_max = 0, maxp = 0, maxi; ^ user.cpp:22:34: warning: ignoring return value of ‘FILE* freopen(const char*, const char*, FILE*)’, declared with attribute warn_unused_result [-Wunused-result] freopen ("char.in", "r", stdin); ^ user.cpp:23:36: warning: ignoring return value of ‘FILE* freopen(const char*, const char*, FILE*)’, declared with attribute warn_unused_result [-Wunused-result] freopen ("char.out", "w", stdout); ^ user.cpp:26:21: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] scanf ("%d\n", &N); ^ user.cpp:36:19: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] scanf ("%d", &h); ^ user.cpp:39:29: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] scanf ("%d", &p[s[i]]); ^ user.cpp:48:27: warning: ‘maxi’ may be used uninitialized in this function [-Wmaybe-uninitialized] printf ("%d\n", f[v[maxi]]); ^