Compilare: main.cpp: In function 'int main()': main.cpp:84:10: warning: unused variable 'j' [-Wunused-variable] 84 | int i, j, pp=0, ww=0, val; | ^ main.cpp:84:13: warning: unused variable 'pp' [-Wunused-variable] 84 | int i, j, pp=0, ww=0, val; | ^~ main.cpp:84:19: warning: unused variable 'ww' [-Wunused-variable] 84 | int i, j, pp=0, ww=0, val; | ^~ main.cpp:84:25: warning: variable 'val' set but not used [-Wunused-but-set-variable] 84 | int i, j, pp=0, ww=0, val; | ^~~