amedie.cpp: In function 'void Read()': amedie.cpp:17: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result amedie.cpp:20: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result amedie.cpp: In function 'void Solve()': amedie.cpp:109: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result amedie.cpp:111: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result amedie.cpp: In function 'int main()': amedie.cpp:120: warning: ignoring return value of 'FILE* freopen(const char*, const char*, FILE*)', declared with attribute warn_unused_result amedie.cpp:121: warning: ignoring return value of 'FILE* freopen(const char*, const char*, FILE*)', declared with attribute warn_unused_result