Compilare: main.cpp: In function 'void BFS(int, int)': main.cpp:30:24: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for (int i=0; i<v[nd].adj.size(); i++) ~^~~~~~~~~~~~~~~~~ main.cpp: In function 'void afisare()': main.cpp:56:20: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for (int i=0; i<comp.size(); i++) ~^~~~~~~~~~~~ main.cpp:58:24: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for (int j=0; j<comp[i].size(); j++) ~^~~~~~~~~~~~~~~ main.cpp: In function 'int main()': main.cpp:111:20: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for (int i=1; i<comp.size(); i++) ~^~~~~~~~~~~~ main.cpp:116:19: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for (int i=0;i<rezultate.size();i++) ~^~~~~~~~~~~~~~~~~ main.cpp: In function 'void reunion(int, int)': main.cpp:93:13: warning: 'i2' may be used uninitialized in this function [-Wmaybe-uninitialized] extra[i2]++; ~~~~~~~~^ main.cpp:94:17: warning: 'i1' may be used uninitialized in this function [-Wmaybe-uninitialized] if (extra[i1]>maxExtra) maxExtra=extra[i1]; ~~~~~~~~^