Compilare: main.cpp: In function 'void dfs(int)': main.cpp:24:18: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 24 | for(int i=0;i<adj[start].size();i++){ | ~^~~~~~~~~~~~~~~~~~ main.cpp:26:9: warning: this 'if' clause does not guard... [-Wmisleading-indentation] 26 | if(viz[vecin]==0) | ^~ main.cpp:28:13: note: ...this statement, but the latter is misleadingly indented as if it were guarded by the 'if' 28 | if(inS[vecin]==1){ | ^~ main.cpp: In function 'int main()': main.cpp:58:22: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 58 | for(int j=0;j<r[i].size();j++){ | ~^~~~~~~~~~~~