Compilare: main.cpp: In function 'void nu_vreau_scoala_maine(int)': main.cpp:32:19: warning: comparison of integer expressions of different signedness: '__gnu_cxx::__alloc_traits<std::allocator<int>, int>::value_type' {aka 'int'} and 'std::vector<std::pair<int, int> >::size_type' {aka 'long unsigned int'} [-Wsign-compare] 32 | while(it[nod] < g[nod].size()){ main.cpp: In function 'int main()': main.cpp:82:26: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 82 | for(int i = 0; i < ciclos.size() - 1; i++){ | ~~^~~~~~~~~~~~~~~~~~~ In file included from /usr/include/c++/12.2.1/vector:64, from main.cpp:5: In member function 'constexpr std::vector<_Tp, _Alloc>::size_type std::vector<_Tp, _Alloc>::size() const [with _Tp = std::pair<int, int>; _Alloc = std::allocator<std::pair<int, int> >]', inlined from 'int main()' at main.cpp:65:21: /usr/include/c++/12.2.1/bits/stl_vector.h:988:40: warning: iteration 9 invokes undefined behavior [-Waggressive-loop-optimizations] 988 | { return size_type(this->_M_impl._M_finish - this->_M_impl._M_start); } | ~~~~~~~~~~~~~~^~~~~~~~~ main.cpp: In function 'int main()': main.cpp:64:22: note: within this loop 64 | for(int i = 1; i <= 10; i++){ | ~~^~~~~