Compilare: main.cpp: In function 'int main()': main.cpp:37:40: warning: variable 'l' set but not used [-Wunused-but-set-variable] 37 | int cer, cnt=0, nr, a, k=0, max=0, l, c, l2, c2; | ^ main.cpp:37:43: warning: variable 'c' set but not used [-Wunused-but-set-variable] 37 | int cer, cnt=0, nr, a, k=0, max=0, l, c, l2, c2; | ^ main.cpp:37:46: warning: variable 'l2' set but not used [-Wunused-but-set-variable] 37 | int cer, cnt=0, nr, a, k=0, max=0, l, c, l2, c2; | ^~ main.cpp:37:50: warning: variable 'c2' set but not used [-Wunused-but-set-variable] 37 | int cer, cnt=0, nr, a, k=0, max=0, l, c, l2, c2; | ^~