Compilare: main.cpp: In function 'void get_dp(int)': main.cpp:44:19: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 44 | for (i = 0; i < kids[node].size(); i++) { | ~~^~~~~~~~~~~~~~~~~~~ main.cpp:55:19: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<std::vector<int> >::size_type' {aka 'long unsigned int'} [-Wsign-compare] 55 | for (i = 0; i <= kids.size(); i++) { | ~~^~~~~~~~~~~~~~ main.cpp:69:19: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 69 | for (i = 0; i < kids[node].size(); i++) { | ~~^~~~~~~~~~~~~~~~~~~ main.cpp: In function 'int main()': main.cpp:104:23: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<std::vector<int> >::size_type' {aka 'long unsigned int'} [-Wsign-compare] 104 | for (i = 0; i < g.size(); i++) { | ~~^~~~~~~~~~