Compilare: main.cpp: In function 'int main()': main.cpp:30:22: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<std::pair<int, int> >::size_type' {aka 'long unsigned int'} [-Wsign-compare] 30 | for(i = 0; i < adj[nod_curent].size(); i++) | ~~^~~~~~~~~~~~~~~~~~~~~~~~ main.cpp:15:24: warning: unused variable 'j' [-Wunused-variable] 15 | int n,m,start,stop,j,i,p,c,total = 0,x,y; | ^ main.cpp:15:28: warning: unused variable 'p' [-Wunused-variable] 15 | int n,m,start,stop,j,i,p,c,total = 0,x,y; | ^ main.cpp:15:32: warning: unused variable 'total' [-Wunused-variable] 15 | int n,m,start,stop,j,i,p,c,total = 0,x,y; | ^~~~~