omida.cpp: In function 'void complete(int, int)': omida.cpp:17: warning: comparison between signed and unsigned integer expressions omida.cpp:39: warning: comparison between signed and unsigned integer expressions omida.cpp: In function 'int check(int)': omida.cpp:61: warning: comparison between signed and unsigned integer expressions omida.cpp: In function 'int main()': omida.cpp:79: warning: ignoring return value of 'FILE* freopen(const char*, const char*, FILE*)', declared with attribute warn_unused_result omida.cpp:80: warning: ignoring return value of 'FILE* freopen(const char*, const char*, FILE*)', declared with attribute warn_unused_result omida.cpp:82: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result omida.cpp:86: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result