Compilare: user.cpp: In function ‘void Rearrange()’: user.cpp:81:30: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for(int i=0;i<Sol.size()-1;i++,it++) ^ user.cpp:92:38: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for(int k=j+1;k<Sol.size();k++) ^ user.cpp:107:38: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for(int k=i+1;i<Sol.size();i++) ^ user.cpp: In function ‘void PrintSolution()’: user.cpp:122:30: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for(int i=0;i<Sol.size()-1;i++) ^ user.cpp:124:51: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for(int j=0;j<Edge[Sol[i]][Sol[i+1]].size();j++) ^ user.cpp: In function ‘void Rearrange()’: user.cpp:100:25: warning: ‘node’ may be used uninitialized in this function [-Wmaybe-uninitialized] if(Sol[i]==node && Sol[i+1]==Sol[0]) ^ user.cpp: In function ‘int main()’: user.cpp:157:14: warning: ‘node’ may be used uninitialized in this function [-Wmaybe-uninitialized] DFS(node); ^