Eroare de compilare: user.cpp: In function ‘void citire()’: user.cpp:42: warning: comparison between signed and unsigned integer expressions user.cpp:31: warning: ignoring return value of ‘int fscanf(FILE*, const char*, ...)’, declared with attribute warn_unused_result user.cpp:35: warning: ignoring return value of ‘int fscanf(FILE*, const char*, ...)’, declared with attribute warn_unused_result user.cpp: In function ‘bool check(int)’: user.cpp:83: error: ‘memset’ was not declared in this scope user.cpp: In function ‘void solve()’: user.cpp:113: error: ‘memcpy’ was not declared in this scope