Compilare: main.cpp: In function 'void dfs(int)': main.cpp:17:23: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for (int i = 0; i < g[nod].size(); i++) ~~^~~~~~~~~~~~~~~ main.cpp: In function 'void bfs()': main.cpp:29:23: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for (int i = 0; i < comp.size(); i++) ~~^~~~~~~~~~~~~ main.cpp:32:27: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for (int j = 0; j < comp.size(); j++) ~~^~~~~~~~~~~~~ main.cpp:46:31: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for (int j = 0; j < g[y].size(); j++) ~~^~~~~~~~~~~~~ main.cpp:61:27: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for (int j = 0; j < comp.size(); j++) ~~^~~~~~~~~~~~~ main.cpp:70:31: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for (int j = 0; j < comp.size(); j++) ~~^~~~~~~~~~~~~ main.cpp: In function 'int main()': main.cpp:98:27: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for (int j = 0; j < comp.size(); j++) ~~^~~~~~~~~~~~~ main.cpp:82:25: warning: unused variable 'maxi' [-Wunused-variable] int n, m, i, C = 1, maxi = 0; ^~~~