Compilare: main.cpp: In function 'int main()': main.cpp:16:28: warning: comparison of integer expressions of different signedness: 'std::vector<std::vector<int> >::size_type' {aka 'long unsigned int'} and 'int' [-Wsign-compare] 16 | while(hashh.size() <= x) | ~~~~~~~~~~~~~^~~~ main.cpp:22:30: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 22 | for(int j = 0; j < hashh[x].size(); j++) | ~~^~~~~~~~~~~~~~~~~ main.cpp:30:30: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 30 | for(int j = 0; j < hashh[x].size(); j++) | ~~^~~~~~~~~~~~~~~~~ main.cpp:41:26: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 41 | for(j = 0; j < hashh[x].size(); j++) | ~~^~~~~~~~~~~~~~~~~ main.cpp:47:18: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 47 | if(j == hashh[x].size()) | ~~^~~~~~~~~~~~~~~~~~