Compilare: main.cpp: In function 'int main()': main.cpp:178:31: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for (int i = 0; i < adj[nod].size(); i++) ~~^~~~~~~~~~~~~~~~~ main.cpp:164:13: warning: unused variable 'gasit' [-Wunused-variable] int gasit = 0; ^~~~~ main.cpp:219:31: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for (int j = 0; j < adj[i].size(); j++) ~~^~~~~~~~~~~~~~~ main.cpp:18:9: warning: unused variable 'marginire' [-Wunused-variable] int marginire = 1, conservare = 1; ^~~~~~~~~ main.cpp:18:24: warning: unused variable 'conservare' [-Wunused-variable] int marginire = 1, conservare = 1; ^~~~~~~~~~ main.cpp:149:18: warning: unused variable 'f' [-Wunused-variable] int x, y, c, f; ^