Compilare: main.cpp: In function 'void dfs(int, int)': main.cpp:13:18: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 13 | for(int j=0;j<L[x].size();j++) | ~^~~~~~~~~~~~ main.cpp: In function 'int main()': main.cpp:55:13: warning: this 'if' clause does not guard... [-Wmisleading-indentation] 55 | if(query(ST[x])-query(ST[x]-1)); | ^~ main.cpp:56:17: note: ...this statement, but the latter is misleadingly indented as if it were guarded by the 'if' 56 | continue; | ^~~~~~~~ main.cpp:63:17: warning: this 'if' clause does not guard... [-Wmisleading-indentation] 63 | if(query(ST[x])-query(ST[x]-1)==0); | ^~ main.cpp:64:21: note: ...this statement, but the latter is misleadingly indented as if it were guarded by the 'if' 64 | continue; | ^~~~~~~~