Main.cpp: In function 'void solve()':
Main.cpp:18:15: 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 i=0;i<s.length();i++){
| ~^~~~~~~~~~~
Main.cpp:20:10: warning: comparison of integer expressions of different signedness: 'int' and 'std::__cxx11::basic_string<char>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
20 | if(i+1<s.length() && s[i+1]%'a'>=48){
| ~~~^~~~~~~~~~~
Main.cpp:21:11: warning: comparison of integer expressions of different signedness: 'int' and 'std::__cxx11::basic_string<char>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
21 | if(i+2<s.length() && s[i+2]%'a'>=48){
| ~~~^~~~~~~~~~~