Compilare: user.cpp: In function ‘int main()’: user.cpp:77:10: warning: unused variable ‘ch’ [-Wunused-variable] char ch; ^ user.cpp:79:9: warning: unused variable ‘i’ [-Wunused-variable] int i=0; ^ user.cpp:78:37: warning: ignoring return value of ‘FILE* freopen(const char*, const char*, FILE*)’, declared with attribute warn_unused_result [-Wunused-result] freopen("meciul.out","w",stdout); ^