Compilare: main.cpp: In function 'void Bellman_Ford()': main.cpp:23:18: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for(i=0;i<v[nod].size();i++) ~^~~~~~~~~~~~~~ main.cpp: In function 'int Dijkstra()': main.cpp:54:18: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for(i=0;i<v[nod].size();i++) ~^~~~~~~~~~~~~~ main.cpp:42:15: warning: unused variable 'minflow' [-Wunused-variable] int i,nod,minflow; ^~~~~~~ main.cpp: In function 'int main()': main.cpp:121:18: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for(j=0;j<v[i].size();j++) ~^~~~~~~~~~~~ main.cpp:132:14: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for(i=0;i<sol.size();i++)g<<sol[i]<<" "; ~^~~~~~~~~~~