comoara2.cpp: In function 'int move(int, int)': comoara2.cpp:22: warning: no return statement in function returning non-void comoara2.cpp: In function 'void read()': comoara2.cpp:25: warning: ignoring return value of 'FILE* freopen(const char*, const char*, FILE*)', declared with attribute warn_unused_result comoara2.cpp:26: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result comoara2.cpp: In function 'void write()': comoara2.cpp:45: warning: ignoring return value of 'FILE* freopen(const char*, const char*, FILE*)', declared with attribute warn_unused_result