Compilare: main.cpp: In function 'void bellmanford(int, int)': main.cpp:20:18: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 20 | for(i=0;i<adj[curr].size();i++) | ~^~~~~~~~~~~~~~~~~ main.cpp: In function 'int main()': main.cpp:34:11: warning: unused variable 'j' [-Wunused-variable] 34 | int i,j,k,l,n,m,a,b,capedge,costedge,st,fs,cst,cp ; | ^ main.cpp:34:13: warning: unused variable 'k' [-Wunused-variable] 34 | int i,j,k,l,n,m,a,b,capedge,costedge,st,fs,cst,cp ; | ^ main.cpp:34:15: warning: unused variable 'l' [-Wunused-variable] 34 | int i,j,k,l,n,m,a,b,capedge,costedge,st,fs,cst,cp ; | ^ main.cpp:34:25: warning: unused variable 'capedge' [-Wunused-variable] 34 | int i,j,k,l,n,m,a,b,capedge,costedge,st,fs,cst,cp ; | ^~~~~~~ main.cpp:34:33: warning: unused variable 'costedge' [-Wunused-variable] 34 | int i,j,k,l,n,m,a,b,capedge,costedge,st,fs,cst,cp ; | ^~~~~~~~ main.cpp:34:45: warning: unused variable 'fs' [-Wunused-variable] 34 | int i,j,k,l,n,m,a,b,capedge,costedge,st,fs,cst,cp ; | ^~