Compilare: main.cpp: In function 'void dfs(int, int)': main.cpp:16:33: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] if (d[vecin].size() > maxim) ~~~~~~~~~~~~~~~~^~~~~~~ main.cpp:18:34: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] if (d2[vecin].size() > maxim2) ~~~~~~~~~~~~~~~~~^~~~~~~~ main.cpp:39:49: warning: unused variable 'val' [-Wunused-variable] int st = 1, dr = d[vecin].size()-1, val = 0; ^~~ main.cpp:81:27: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for (int i=1;i<d2[vecin].size();i++){ ~^~~~~~~~~~~~~~~~~ main.cpp:95:27: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for (int i=1;i<d[vecin].size();i++){ ~^~~~~~~~~~~~~~~~ main.cpp:97:23: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] if (i >= d[nod].size()) ~~^~~~~~~~~~~~~~~~ main.cpp:109:27: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for (int i=0;i<d[vecin].size();i++){ ~^~~~~~~~~~~~~~~~ main.cpp:123:27: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for (int i=1;i<d2[vecin].size();i++){ ~^~~~~~~~~~~~~~~~~ main.cpp:125:23: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] if (i >= d2[nod].size()) ~~^~~~~~~~~~~~~~~~~ main.cpp:146:16: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] if (st == d[nod].size()) ~~~^~~~~~~~~~~~~~~~ main.cpp:158:16: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] if (st == d2[nod].size()) ~~~^~~~~~~~~~~~~~~~~