Compilare: main.cpp: In function 'long long int dei(int, int)': main.cpp:42:46: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<std::pair<int, int> >::size_type' {aka 'long unsigned int'} [-Wsign-compare] 42 | while(!a[ee].empty() && init[ee] + 1 < a[ee].size() && mx > a[ee][init[ee] + 1].first) | ~~~~~~~~~~~~~^~~~~~~~~~~~~~ main.cpp:63:46: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<std::pair<int, int> >::size_type' {aka 'long unsigned int'} [-Wsign-compare] 63 | while(!a[ee].empty() && init[ee] + 1 < a[ee].size() && mx >= a[ee][init[ee] + 1].first) | ~~~~~~~~~~~~~^~~~~~~~~~~~~~