Compilare: main.cpp:4: warning: ignoring '#pragma GCC opitmize' [-Wunknown-pragmas] 4 | #pragma GCC opitmize("unroll-loops") | main.cpp: In function 'int main()': main.cpp:89:10: warning: unused variable 'j' [-Wunused-variable] 89 | int i, j, pp=0, ww=0, val; | ^ main.cpp:89:13: warning: unused variable 'pp' [-Wunused-variable] 89 | int i, j, pp=0, ww=0, val; | ^~ main.cpp:89:19: warning: unused variable 'ww' [-Wunused-variable] 89 | int i, j, pp=0, ww=0, val; | ^~ main.cpp:89:25: warning: unused variable 'val' [-Wunused-variable] 89 | int i, j, pp=0, ww=0, val; | ^~~