Compilare: main.cpp: In function 'int searcht(int)': main.cpp:13:20: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 13 | for (int j=0; j<v[i].size() && ok==0; j++) | ~^~~~~~~~~~~~ main.cpp: In function 'int main()': main.cpp:33:27: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 33 | if (searcht(a)==v[i].size()+1) | ~~~~~~~~~~^~~~~~~~~~~~~~~ main.cpp:39:20: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 39 | if (poz<v[i].size()) | ~~~^~~~~~~~~~~~ main.cpp:45:27: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 45 | if (searcht(a)==v[i].size()+1) | ~~~~~~~~~~^~~~~~~~~~~~~~~