mesaj.cpp: In function 'int main()': mesaj.cpp:14: warning: format '%s' expects type 'char*', but argument 2 has type 'char (*)[300]' mesaj.cpp:11: warning: ignoring return value of 'FILE* freopen(const char*, const char*, FILE*)', declared with attribute warn_unused_result mesaj.cpp:12: warning: ignoring return value of 'FILE* freopen(const char*, const char*, FILE*)', declared with attribute warn_unused_result mesaj.cpp:14: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result /tmp/ccFMKIE2.o: In function `main': mesaj.cpp:(.text+0x180): warning: the `gets' function is dangerous and should not be used.