kubus2.cpp: In function 'int main()': kubus2.cpp:60: warning: comparison between signed and unsigned integer expressions kubus2.cpp:69: warning: comparison between signed and unsigned integer expressions kubus2.cpp:75: warning: comparison between signed and unsigned integer expressions kubus2.cpp:26: warning: ignoring return value of 'FILE* freopen(const char*, const char*, FILE*)', declared with attribute warn_unused_result kubus2.cpp:27: warning: ignoring return value of 'FILE* freopen(const char*, const char*, FILE*)', declared with attribute warn_unused_result kubus2.cpp:28: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result kubus2.cpp:29: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result kubus2.cpp:32: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result kubus2.cpp:34: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result