Compilare: main.cpp: In function 'void movedown(int&)': main.cpp:88:10: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] while(p < heap.size()){ ~~^~~~~~~~~~~~~ main.cpp:91:17: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] if (p * 2 + 1 < heap.size() && heap[p * 2 + 1] < heap[fiu]){ ~~~~~~~~~~^~~~~~~~~~~~~ main.cpp:94:17: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] if (p * 2 + 2 < heap.size() && heap[p * 2 + 2] < heap[fiu]){ ~~~~~~~~~~^~~~~~~~~~~~~ main.cpp: In function 'void erase(int)': main.cpp:133:8: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] if (p == heap.size() - 1){ ~~^~~~~~~~~~~~~~~~~~ main.cpp: In function 'int getInt()': main.cpp:160:8: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] if (p == s.size()){ ~~^~~~~~~~~~~ main.cpp:168:10: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] while(p < s.size() && s[p] >= '0' && s[p] <= '9'){ ~~^~~~~~~~~~