boxes.cpp: In function 'long long int delivery(int, int, int, int*)':
boxes.cpp:18:19: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<long long int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
18 | for(int i = 0; i < esq.size(); i++)
| ~~^~~~~~~~~~~~
boxes.cpp:20:19: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<long long int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
20 | for(int i = 0; i < dir.size(); i++)
| ~~^~~~~~~~~~~~
boxes.cpp:25:12: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<long long int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
25 | while(it1 != esq.size() || it2 != dir.size()){
| ~~~~^~~~~~~~~~~~~
boxes.cpp:25:33: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<long long int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
25 | while(it1 != esq.size() || it2 != dir.size()){
| ~~~~^~~~~~~~~~~~~
boxes.cpp:26:10: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<long long int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
26 | if(it1 == esq.size()) it2++;
| ~~~~^~~~~~~~~~~~~
boxes.cpp:27:15: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<long long int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
27 | else if(it2 == dir.size()) it1++;
| ~~~~^~~~~~~~~~~~~