Compilare: main.cpp:4: warning: ignoring '#pragma GCC optimization' [-Wunknown-pragmas] 4 | #pragma GCC optimization("O3") | main.cpp:5: warning: ignoring '#pragma GCC optimization' [-Wunknown-pragmas] 5 | #pragma GCC optimization("unroll-loops") | main.cpp:6: warning: ignoring '#pragma GCC optimization' [-Wunknown-pragmas] 6 | #pragma GCC optimization("inline") | main.cpp: In function 'void solve()': main.cpp:150:19: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<std::pair<int, int> >::size_type' {aka 'long unsigned int'} [-Wsign-compare] 150 | while(ind < mancacios.size() && comanda >= mancacios[ind].first) | ~~~~^~~~~~~~~~~~~~~~~~