paint.cpp: In function 'std::string solve_puzzle(std::string, std::vector<int>)':
paint.cpp:8:20: warning: comparison of integer expressions of different signedness: 'int' and 'std::__cxx11::basic_string<char>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
8 | while(start+len<s.size()){
| ~~~~~~~~~^~~~~~~~~
paint.cpp:17:18: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<std::__cxx11::basic_string<char> >::size_type' {aka 'long unsigned int'} [-Wsign-compare]
17 | for(int i=0;i<v.size();i++){
| ~^~~~~~~~~
paint.cpp:18:22: warning: comparison of integer expressions of different signedness: 'int' and 'std::__cxx11::basic_string<char>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
18 | for(int j=0;j<s.size();j++){
| ~^~~~~~~~~