honest.cpp: In function 'int main()': honest.cpp:80: warning: ignoring return value of 'FILE* freopen(const char*, const char*, FILE*)', declared with attribute warn_unused_result honest.cpp:81: warning: ignoring return value of 'FILE* freopen(const char*, const char*, FILE*)', declared with attribute warn_unused_result honest.cpp:84: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result honest.cpp:86: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result honest.cpp: In function 'int rezolv(int)': honest.cpp:78: warning: control reaches end of non-void function