Compilare: main.cpp: In function 'void UpHeap(int)': main.cpp:26:21: warning: pointer to a function used in arithmetic [-Wpointer-arith] UpHeap[k / 2]; ^ main.cpp:26:21: warning: value computed is not used [-Wunused-value] UpHeap[k / 2]; ~~~~~~~~~~~~^ main.cpp:26:21: warning: statement has no effect [-Wunused-value] main.cpp: In function 'int main()': main.cpp:89:17: warning: unused variable 'v' [-Wunused-variable] int v = heap[1].val; ^ main.cpp:90:29: warning: variable 'p' set but not used [-Wunused-but-set-variable] pair <int, int> p = {i, j}; ^