Compilare: main.cpp: In function 'void solve(int)': main.cpp:106:18: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<std::pair<int, long long int> >::size_type' {aka 'long unsigned int'} [-Wsign-compare] 106 | for(int i=0;i<pp[nod].size();i++) | ~^~~~~~~~~~~~~~~ main.cpp:108:18: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 108 | for(int i=0;i<ev[nod].size();i++) | ~^~~~~~~~~~~~~~~ main.cpp:114:22: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 114 | for(int j=0;j<kids.size();j++) | ~^~~~~~~~~~~~ main.cpp:121:26: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<std::pair<int, long long int> >::size_type' {aka 'long unsigned int'} [-Wsign-compare] 121 | for(int p=0;p<pp[kids[j]].size();p++) | ~^~~~~~~~~~~~~~~~~~~ main.cpp:134:18: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<std::pair<int, long long int> >::size_type' {aka 'long unsigned int'} [-Wsign-compare] 134 | for(int i=0;i<have.size();i++) | ~^~~~~~~~~~~~ main.cpp:138:18: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<child>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 138 | for(int i=0;i<allkids.size();i++) | ~^~~~~~~~~~~~~~~ main.cpp:143:18: warning: comparison of integer expressions of different signedness: 'll' {aka 'long long int'} and 'std::vector<std::pair<int, long long int> >::size_type' {aka 'long unsigned int'} [-Wsign-compare] 143 | while(poz<have.size()&&have[poz].first>=dist) | ~~~^~~~~~~~~~~~