Compilare: main.cpp: In function 'void merge(int, int)': main.cpp:20:16: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 20 | for(int i=0;i<=order[target].size();i++) | ~^~~~~~~~~~~~~~~~~~~~~~ main.cpp:22:20: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 22 | for(int j=0;j<=order[nod].size();j++) | ~^~~~~~~~~~~~~~~~~~~ main.cpp: In function 'void dfs(int)': main.cpp:75:18: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 75 | for(int i=1;i<order[nod].size();i++) | ~^~~~~~~~~~~~~~~~~~ main.cpp: In function 'int main()': main.cpp:103:16: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 103 | for(int i=0;i<order[0].size();i++) | ~^~~~~~~~~~~~~~~~