Compilare: user.cpp: In function ‘long long int dfs(int, long long int, int)’: user.cpp:23:35: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for (int i = 0; i < v[x].size(); ++i) { ^ user.cpp: In function ‘void calculeaza(int, int)’: user.cpp:36:40: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for (int i = 0; i < v[ p[x] ].size(); ++i) { ^ user.cpp:59:39: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for (int i = 0; i < v[x].size(); ++i) { ^ user.cpp:65:34: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for (int i = 0; i < ins.size(); ++i) { ^ user.cpp:68:34: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for (int i = 0; i < del.size(); ++i) { ^ user.cpp: In function ‘int main()’: user.cpp:84:31: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for (i = 0; i < v[1].size(); ++i) { ^