Compilare: main.cpp: In function 'int bfs(int)': main.cpp:58:18: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 58 | for(j=0;j<adj[curr].size();j++) | ~^~~~~~~~~~~~~~~~~ main.cpp: In function 'int main()': main.cpp:144:25: warning: comparison of integer expressions of different signedness: 'std::vector<int>::size_type' {aka 'long unsigned int'} and 'int' [-Wsign-compare] 144 | if(adj[i].size()<edges) | ~~~~~~~~~~~~~^~~~~~ main.cpp:72:47: warning: unused variable 'currgrup' [-Wunused-variable] 72 | int n,i,j,lin,col,poz1,poz2,z,m,grupe,val,currgrup; | ^~~~~~~~ main.cpp:141:9: warning: unused variable 'k' [-Wunused-variable] 141 | int k; | ^