Eroare de compilare: user.cpp: In function ‘int main()’: user.cpp:30:48: error: ‘memcpy’ was not declared in this scope memcpy(aux_line, s_line, 18*sizeof(int)); ^ user.cpp:15:29: warning: ignoring return value of ‘int fscanf(FILE*, const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] fscanf(in,"%d %d",&n,&m); ^ user.cpp:21:37: warning: ignoring return value of ‘int fscanf(FILE*, const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] fscanf(in,"%d",&a[i][j]); ^