Compilare: main.cpp: In function 'int main()': main.cpp:59:17: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for(int i=0;i<heap.size(); i++) ~^~~~~~~~~~~~ main.cpp:74:20: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] if(leftChild >= heap.size() && rightChild >= heap.size()) ~~~~~~~~~~^~~~~~~~~~~~~~ main.cpp:74:49: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] if(leftChild >= heap.size() && rightChild >= heap.size()) ~~~~~~~~~~~^~~~~~~~~~~~~~ main.cpp:79:20: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] if(leftChild >= heap.size()) //no left child ~~~~~~~~~~^~~~~~~~~~~~~~ main.cpp:90:21: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] if(rightChild >= heap.size())//no right child ~~~~~~~~~~~^~~~~~~~~~~~~~