Compilare: main.cpp: In function 'int main()': main.cpp:15:29: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 15 | while( poz2 < v[poz1].size() && v[poz1][poz2] != x ){ | ~~~~~^~~~~~~~~~~~~~~~ main.cpp:18:38: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 18 | if( tip == 1 && poz2 == v[poz1].size() ){ | ~~~~~^~~~~~~~~~~~~~~~~ main.cpp:21:43: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 21 | else if( tip == 2 && poz2 < v[poz1].size() ){ | ~~~~~^~~~~~~~~~~~~~~~ main.cpp:25:34: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 25 | if( poz2 < v[poz1].size() ){ | ~~~~~^~~~~~~~~~~~~~~~