Compilare: main.cpp: In function 'void BFS(int, int)': main.cpp:26:22: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 26 | for(int k=0;k<g[i].size();k++) | ~^~~~~~~~~~~~ main.cpp: In function 'int main()': main.cpp:54:13: warning: this 'if' clause does not guard... [-Wmisleading-indentation] 54 | if(v[i]%d==0); | ^~ main.cpp:55:13: note: ...this statement, but the latter is misleadingly indented as if it were guarded by the 'if' 55 | { | ^