poligon4.cpp: In function 'int main()': poligon4.cpp:31: warning: comparison between signed and unsigned integer expressions poligon4.cpp:43: warning: comparison between signed and unsigned integer expressions poligon4.cpp:16: warning: unused variable 'lim' poligon4.cpp:14: warning: ignoring return value of 'FILE* freopen(const char*, const char*, FILE*)', declared with attribute warn_unused_result poligon4.cpp:15: warning: ignoring return value of 'FILE* freopen(const char*, const char*, FILE*)', declared with attribute warn_unused_result poligon4.cpp:17: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result poligon4.cpp:20: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result