Compilare: user.cpp: In function ‘void Debug()’: user.cpp:244:40: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for(int j=0;j<linkList[i].size();j++) ^ user.cpp: In function ‘void Read()’: user.cpp:53:40: warning: ignoring return value of ‘int fscanf(FILE*, const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] fscanf(fin, "%d %d %d", &n, &m, &t); ^ user.cpp:57:92: warning: ignoring return value of ‘int fscanf(FILE*, const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] fscanf(fin, "%d %d %d", &startPoints[i].y, &startPoints[i].x, &startPoints[i].type); ^ user.cpp: In function ‘int Surface(int)’: user.cpp:64:9: warning: ‘dy’ may be used uninitialized in this function [-Wmaybe-uninitialized] int dy; ^