Compilare: main.cpp: In function 'void comb(int, int)': main.cpp:64:22: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for(int i = 0; i <= dp[b].size(); i ++) ~~^~~~~~~~~~~~~~~ main.cpp:68:14: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] if(i < dp[b].size()) ~~^~~~~~~~~~~~~~ main.cpp:73:22: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for(int i = 0; i < dp[b].size(); i ++) ~~^~~~~~~~~~~~~~ main.cpp:81:22: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for(int i = 0; i <= dp[b].size(); i ++) ~~^~~~~~~~~~~~~~~ main.cpp: In function 'void dfs(int, int)': main.cpp:98:34: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] if(dp[poz[u]].size() > mx) ~~~~~~~~~~~~~~~~~~^~~~