Compilare: user.cpp: In function ‘void SolveDP(int)’: user.cpp:96: warning: comparison between signed and unsigned integer expressions user.cpp: In function ‘void Read()’: user.cpp:149: warning: ignoring return value of ‘FILE* freopen(const char*, const char*, FILE*)’, declared with attribute warn_unused_result user.cpp:150: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result user.cpp:152: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result user.cpp: In function ‘void Print()’: user.cpp:159: warning: ignoring return value of ‘FILE* freopen(const char*, const char*, FILE*)’, declared with attribute warn_unused_result