Eroare de compilare: user.cpp: In function ‘void solve(edge_list, int, int)’: user.cpp:105: error: ‘memset’ was not declared in this scope user.cpp: In function ‘int main()’: user.cpp:177: error: ‘memset’ was not declared in this scope user.cpp:184: warning: comparison between signed and unsigned integer expressions user.cpp:187: warning: comparison between signed and unsigned integer expressions user.cpp:192: warning: comparison between signed and unsigned integer expressions user.cpp:151: warning: ignoring return value of ‘FILE* freopen(const char*, const char*, FILE*)’, declared with attribute warn_unused_result user.cpp:152: warning: ignoring return value of ‘FILE* freopen(const char*, const char*, FILE*)’, declared with attribute warn_unused_result user.cpp:154: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result user.cpp:156: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result user.cpp:159: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result