logic.cpp: In function 'bool forma_poloneza()': logic.cpp:60: warning: comparison between signed and unsigned integer expressions logic.cpp:58: warning: unused variable 'j' logic.cpp: In function 'int main()': logic.cpp:136: warning: comparison between signed and unsigned integer expressions logic.cpp:131: warning: ignoring return value of 'FILE* freopen(const char*, const char*, FILE*)', declared with attribute warn_unused_result logic.cpp:132: warning: ignoring return value of 'FILE* freopen(const char*, const char*, FILE*)', declared with attribute warn_unused_result logic.cpp: In function 'int priority(char)': logic.cpp:24: warning: control reaches end of non-void function logic.cpp: In function 'bool calcul(char, bool, bool)': logic.cpp:55: warning: control reaches end of non-void function