Compilare: main.cpp: In function 'int main()': main.cpp:135:4: warning: this 'while' clause does not guard... [-Wmisleading-indentation] 135 | while(m--) | ^~~~~ main.cpp:137:5: note: ...this statement, but the latter is misleadingly indented as if it were guarded by the 'while' 137 | for(auto x:v[X]) V.push_back(x); | ^~~ main.cpp:138:14: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 138 | for(i=0;i<V.size();i++) MV[V[i]]=i+1; | ~^~~~~~~~~ main.cpp:131:15: warning: unused variable 'c' [-Wunused-variable] 131 | int i,x,y,c,z; | ^ main.cpp:131:17: warning: unused variable 'z' [-Wunused-variable] 131 | int i,x,y,c,z; | ^