Compilare: main.cpp: In function 'void pal(int*, int, int)': main.cpp:19:9: warning: variable 'maxc' set but not used [-Wunused-but-set-variable] 19 | int maxc=0; | ^~~~ main.cpp:20:9: warning: unused variable 'start' [-Wunused-variable] 20 | int start=-1; | ^~~~~ main.cpp:21:9: warning: unused variable 'end' [-Wunused-variable] 21 | int end=-1; | ^~~ main.cpp:46:15: warning: unused variable 'sum' [-Wunused-variable] 46 | long long sum=0; | ^~~