Compilare: main.cpp: In function 'void solve()': main.cpp:41:22: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 41 | while(pos<heap.size()) { | ~~~^~~~~~~~~~~~ main.cpp:42:27: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 42 | if(2*pos+1<heap.size()) { | ~~~~~~~^~~~~~~~~~~~ main.cpp:52:30: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 52 | else if(2*pos<heap.size()){ | ~~~~~^~~~~~~~~~~~