boxes.cpp: In function 'll delivery(int, int, int, std::vector<int>)':
boxes.cpp:40:12: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<long long int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
40 | if (ind1 == dp_a.size()) {
| ~~~~~^~~~~~~~~~~~~~
boxes.cpp:45:17: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<long long int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
45 | else if (ind2 == dp_b.size()) {
| ~~~~~^~~~~~~~~~~~~~
/usr/bin/ld: /tmp/ccVE5DHl.o: in function `main':
grader.c:(.text.startup+0x1ef): undefined reference to `delivery(int, int, int, int*)'
collect2: error: ld returned 1 exit status