Compilare: main.cpp: In function 'int main()': main.cpp:20:18: warning: comparison of integer expressions of different signedness: 'int' and 'std::__cxx11::basic_string<char>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 20 | for(int i=0;i<a.size();i++){ | ~^~~~~~~~~ main.cpp:27:23: warning: comparison of integer expressions of different signedness: 'int' and 'std::__cxx11::basic_string<char>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 27 | while(cnt+cif[0]-1<a.size()){ | ~~~~~~~~~~~~^~~~~~~~~ main.cpp:40:13: warning: comparison of integer expressions of different signedness: 'int' and 'std::__cxx11::basic_string<char>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 40 | if(cnt+1!=a.size()){ | ~~~~~^~~~~~~~~~ main.cpp:42:24: warning: comparison of integer expressions of different signedness: 'int' and 'std::__cxx11::basic_string<char>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 42 | for(int i=cnt;i<a.size();i++){ | ~^~~~~~~~~