Compilare: main.cpp: In function 'void DP(int)': main.cpp:24:22: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for(int i = 0; i < comp.size(); i++) ~~^~~~~~~~~~~~~ main.cpp:25:26: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for(int j = 0; j < v[comp[i]].size(); j++) ~~^~~~~~~~~~~~~~~~~~~ main.cpp:35:26: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for(int i = 0; i < comp.size(); i++) ~~^~~~~~~~~~~~~ main.cpp:60:30: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for(int i = 1; i < comp.size(); i++) ~~^~~~~~~~~~~~~ main.cpp:67:38: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for(int j = 1; j < dp[1][comp[i]].second.size(); j++) ~~^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ main.cpp:73:38: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for(int j = 0; j < dp[0][comp[i]].second.size(); j++) ~~^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ main.cpp: In function 'void dfs(int, int)': main.cpp:92:22: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for(int i = 0; i < v[node].size(); i++) ~~^~~~~~~~~~~~~~~~ main.cpp:133:34: 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:174:22: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for(int i = 0; i < dp[rest][1].second.size(); i++) ~~^~~~~~~~~~~~~~~~~~~~~~~~~~~