Compilare: main.cpp: In function 'void pal(int*, int, int)': main.cpp:21:9: warning: variable 'maxc' set but not used [-Wunused-but-set-variable] 21 | int maxc=0; | ^~~~ main.cpp:22:9: warning: unused variable 'start' [-Wunused-variable] 22 | int start=-1; | ^~~~~ main.cpp:23:9: warning: unused variable 'end' [-Wunused-variable] 23 | int end=-1; | ^~~ main.cpp:48:15: warning: unused variable 'sum' [-Wunused-variable] 48 | long long sum=0; | ^~~