spiridusi.cpp: In function 'void definee(int)': spiridusi.cpp:64: warning: comparison between signed and unsigned integer expressions spiridusi.cpp: In function 'int main()': spiridusi.cpp:79: warning: ignoring return value of 'FILE* freopen(const char*, const char*, FILE*)', declared with attribute warn_unused_result spiridusi.cpp:80: warning: ignoring return value of 'FILE* freopen(const char*, const char*, FILE*)', declared with attribute warn_unused_result spiridusi.cpp:82: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result spiridusi.cpp:84: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result spiridusi.cpp:86: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result spiridusi.cpp:92: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result