Compilare: user.cpp: In function ‘bool verif(int, int)’: user.cpp:24: warning: array subscript has type ‘char’ user.cpp:24: warning: array subscript has type ‘char’ user.cpp:25: warning: array subscript has type ‘char’ user.cpp:19: warning: unused variable ‘ok’ user.cpp: In function ‘int main()’: user.cpp:32: warning: ignoring return value of ‘FILE* freopen(const char*, const char*, FILE*)’, declared with attribute warn_unused_result user.cpp:33: warning: ignoring return value of ‘FILE* freopen(const char*, const char*, FILE*)’, declared with attribute warn_unused_result user.cpp:34: warning: ignoring return value of ‘char* gets(char*)’, declared with attribute warn_unused_result user.cpp:35: warning: ignoring return value of ‘char* gets(char*)’, declared with attribute warn_unused_result /tmp/ccsLI3ap.o: In function `main': user.cpp:(.text+0x54): warning: the `gets' function is dangerous and should not be used.