Compilare: main.cpp: In function 'void merge(int, int)': main.cpp:59:16: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 59 | for(int i=0;i<=order[target].size()+order[nod].size();i++) | ~^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ main.cpp:63:16: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 63 | for(int i=0;i<order[target].size();i++) | ~^~~~~~~~~~~~~~~~~~~~~ main.cpp:65:20: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 65 | for(int j=0;j<order[nod].size();j++) | ~^~~~~~~~~~~~~~~~~~ main.cpp: In function 'void dfs(int)': main.cpp:91:16: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 91 | for(int i=1;i<order[nod].size();i++) | ~^~~~~~~~~~~~~~~~~~ main.cpp: In function 'int main()': main.cpp:135:16: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 135 | for(int i=0;i<heads.size();i++) | ~^~~~~~~~~~~~~ main.cpp:139:20: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 139 | for(int j=0;j<order[heads[i]].size();j++)aux.push_back(order[heads[i]][j]); | ~^~~~~~~~~~~~~~~~~~~~~~~ main.cpp:145:20: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 145 | for(int j=1;j<aux.size();j++) order[heads[i]].push_back(aux[j]+headweight[i]); | ~^~~~~~~~~~~ main.cpp:148:15: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 148 | for(int i=1;i<order[n].size();i++) | ~^~~~~~~~~~~~~~~~