paint.cpp: In function 'std::string solve_puzzle(std::string, std::vector<int>)':
paint.cpp:17:34: warning: comparison of integer expressions of different signedness: 'int' and 'std::__cxx11::basic_string<char>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
17 | for (int i = s.size() - 1; i > (s.size() - c[0] - 1); i--) {
| ~~^~~~~~~~~~~~~~~~~~~~~~~
paint.cpp:25:23: warning: comparison of integer expressions of different signedness: 'int' and 'std::__cxx11::basic_string<char>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
25 | for (int i = 0; i < s.size(); i++) {
| ~~^~~~~~~~~~