Compilare: main.cpp: In function 'bool cuplaj(int)': main.cpp:13:18: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for(int i=0;i<v[node].size();i++){ ~^~~~~~~~~~~~~~~ main.cpp:21:18: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for(int i=0;i<v[node].size();i++){ ~^~~~~~~~~~~~~~~ main.cpp: In function 'void mvc_dfs(int)': main.cpp:34:18: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for(int i=0;i<v[nod_st].size();i++){ ~^~~~~~~~~~~~~~~~~ main.cpp: In function 'int main()': main.cpp:56:40: warning: iteration 30 invokes undefined behavior [-Waggressive-loop-optimizations] for(int i=0;i<=8200;i++) ver[i]=false; ~~~~~~^~~~~~ main.cpp:56:22: note: within this loop for(int i=0;i<=8200;i++) ver[i]=false; ~^~~~~~