hacker.cpp: In function 'int main()': hacker.cpp:98: warning: comparison between signed and unsigned integer expressions hacker.cpp:106: warning: comparison between signed and unsigned integer expressions hacker.cpp:56: warning: ignoring return value of 'FILE* freopen(const char*, const char*, FILE*)', declared with attribute warn_unused_result hacker.cpp:57: warning: ignoring return value of 'FILE* freopen(const char*, const char*, FILE*)', declared with attribute warn_unused_result hacker.cpp: In function 'void caut_bin(int, int)': hacker.cpp:169: warning: comparison between signed and unsigned integer expressions hacker.cpp:171: warning: comparison between signed and unsigned integer expressions hacker.cpp: In function 'void dinamicuta(int)': hacker.cpp:192: warning: comparison between signed and unsigned integer expressions