Compilare: user.cpp: In function ‘int main()’: user.cpp:10:38: warning: ignoring return value of ‘FILE* freopen(const char*, const char*, FILE*)’, declared with attribute warn_unused_result [-Wunused-result] freopen("balanta.in", "r", stdin); ^ user.cpp:11:40: warning: ignoring return value of ‘FILE* freopen(const char*, const char*, FILE*)’, declared with attribute warn_unused_result [-Wunused-result] freopen("balanta.out", "w", stdout); ^ user.cpp:111:30: warning: ‘poz_u’ may be used uninitialized in this function [-Wmaybe-uninitialized] cout << poz_u; ^ user.cpp:107:26: warning: ‘poz_g’ may be used uninitialized in this function [-Wmaybe-uninitialized] cout << poz_g; ^