candies.cpp: In function 'std::vector<int> distribute_candies(std::vector<int>, std::vector<int>, std::vector<int>, std::vector<int>)':
candies.cpp:19:25: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
19 | for (int qw = 0; qw < l.size(); qw++) {
| ~~~^~~~~~~~~~
/usr/bin/ld: /tmp/ccu76KDs.o: in function `main':
grader.cpp:(.text.startup+0x0): multiple definition of `main'; /tmp/ccLRFcds.o:candies.cpp:(.text.startup+0x0): first defined here
collect2: error: ld returned 1 exit status