Compilare: main.cpp: In function 'bool ok(std::vector<int>, int)': main.cpp:23:24: warning: comparison of integer expressions of different signedness: 'std::__cxx11::basic_string<char>::size_type' {aka 'long unsigned int'} and 'int' [-Wsign-compare] 23 | if(v[i].size() < p) | ~~~~~~~~~~~~^~~ main.cpp:30:18: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 30 | for(int i=1;i<t.size() && res;i++) | ~^~~~~~~~~ main.cpp: In function 'int main()': main.cpp:62:22: warning: comparison of integer expressions of different signedness: 'int' and 'std::__cxx11::basic_string<char>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 62 | for(int j=0;j<v[i].size();j++) | ~^~~~~~~~~~~~