Compilare: main.cpp: In function 'void heapify(int)': main.cpp:18:12: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 18 | if (st < V.size() && V[st] < V[mini]) | ~~~^~~~~~~~~~ main.cpp:21:12: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 21 | if (dr < V.size() && V[dr] < V[mini]) | ~~~^~~~~~~~~~ main.cpp: In function 'int main()': main.cpp:48:26: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 48 | for(j=0;j<V.size();j++) | ~^~~~~~~~~ main.cpp:59:27: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 59 | for (i = 0; i < Poz.size(); i++) { | ~~^~~~~~~~~~~~ main.cpp:71:22: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 71 | for(j=0;j<V.size();j++) | ~^~~~~~~~~