Compilare: user.cpp: In function ‘void read(int*, int)’: user.cpp:13:23: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] scanf("%d", &v[i]); ^ user.cpp: In function ‘int main()’: user.cpp:22:36: warning: ignoring return value of ‘FILE* freopen(const char*, const char*, FILE*)’, declared with attribute warn_unused_result [-Wunused-result] freopen("2numere.in", "r", stdin); ^ user.cpp:23:38: warning: ignoring return value of ‘FILE* freopen(const char*, const char*, FILE*)’, declared with attribute warn_unused_result [-Wunused-result] freopen("2numere.out", "w", stdout); ^ user.cpp:24:18: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] scanf("%d", &N); ^ user.cpp:48:23: warning: ‘MinB’ may be used uninitialized in this function [-Wmaybe-uninitialized] for(i = 1; i <= N and MaxA >= MinB and f[1][A[i]]; ++ i) { ^ user.cpp:48:23: warning: ‘MaxA’ may be used uninitialized in this function [-Wmaybe-uninitialized]