roz.cpp: In function 'void solve()':
roz.cpp:14:18: warning: comparison of integer expressions of different signedness: 'int' and 'std::__cxx11::basic_string<char>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
14 | for(int i=0;i<s.size();i++) v[s[i]-'a'].push_back(i);
| ~^~~~~~~~~
roz.cpp:22:20: warning: comparison of integer expressions of different signedness: 'long long int' and 'std::vector<long long int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
22 | while(l!=v[i].size()||r!=v[j].size()){
| ~^~~~~~~~~~~~~
roz.cpp:22:36: warning: comparison of integer expressions of different signedness: 'long long int' and 'std::vector<long long int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
22 | while(l!=v[i].size()||r!=v[j].size()){
| ~^~~~~~~~~~~~~
roz.cpp:23:21: warning: comparison of integer expressions of different signedness: 'long long int' and 'std::vector<long long int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
23 | if(l==v[i].size()){
| ~^~~~~~~~~~~~~
roz.cpp:28:26: warning: comparison of integer expressions of different signedness: 'long long int' and 'std::vector<long long int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
28 | else if(r==v[j].size()){
| ~^~~~~~~~~~~~~