Compilare: main.cpp: In function 'void solve()': main.cpp:55:24: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 55 | while(pos*2<heap.size()) { | ~~~~~^~~~~~~~~~~~ main.cpp:56:27: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 56 | if(pos*2+1<heap.size()) { | ~~~~~~~^~~~~~~~~~~~ main.cpp:66:30: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 66 | else if(pos*2<heap.size()){ | ~~~~~^~~~~~~~~~~~ main.cpp:55:22: warning: 'sol' may be used uninitialized in this function [-Wmaybe-uninitialized] 55 | while(pos*2<heap.size()) { | ~~~^~