Compilare: user.cpp: In function ‘int main()’: user.cpp:64:40: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for(j = 0; j < sortare[i].size(); j++) ^ user.cpp:48:27: warning: ignoring return value of ‘int fscanf(FILE*, const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] fscanf(f,"%d%d",&n,&m); ^ user.cpp:52:40: warning: ignoring return value of ‘int fscanf(FILE*, const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] fscanf(f,"%d%d%d",&x,&y,&z); ^