Compilare: user.cpp: In function ‘void Debug()’: user.cpp:135:34: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for(int i=0;i<posVector.size();i++) ^ user.cpp: In function ‘void Read()’: user.cpp:65:33: warning: ignoring return value of ‘int fscanf(FILE*, const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] fscanf(fin, "%d %d", &n, &m); ^ user.cpp:71:34: warning: ignoring return value of ‘int fscanf(FILE*, const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] fscanf(fin, "%c", &c); ^ user.cpp:75:38: warning: ignoring return value of ‘int fscanf(FILE*, const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] fscanf(fin, "%c", &c); ^