Compilare: user.cpp: In function ‘void Citire()’: user.cpp:44:33: warning: ignoring return value of ‘FILE* freopen(const char*, const char*, FILE*)’, declared with attribute warn_unused_result [-Wunused-result] freopen("abc2.in","r",stdin); ^ user.cpp:45:12: warning: ignoring return value of ‘char* gets(char*)’, declared with attribute warn_unused_result [-Wunused-result] gets(s); ^ user.cpp:46:12: warning: ignoring return value of ‘char* gets(char*)’, declared with attribute warn_unused_result [-Wunused-result] gets(t); ^ /tmp/ccW4L8AT.o: In function `Citire()': user.cpp:(.text._Z6Citirev[_Z6Citirev]+0x40): warning: the `gets' function is dangerous and should not be used.