Compilare: main.cpp: In function 'void sortHeap()': main.cpp:72:11: warning: unused variable 'j' [-Wunused-variable] 72 | int i,j; | ^ main.cpp: In function 'int main()': main.cpp:89:13: warning: unused variable 'z' [-Wunused-variable] 89 | int i,j,z,k,last,x,L; | ^ main.cpp:89:17: warning: unused variable 'last' [-Wunused-variable] 89 | int i,j,z,k,last,x,L; | ^~~~ main.cpp:89:22: warning: unused variable 'x' [-Wunused-variable] 89 | int i,j,z,k,last,x,L; | ^ main.cpp:89:24: warning: unused variable 'L' [-Wunused-variable] 89 | int i,j,z,k,last,x,L; | ^