Compilare: main.cpp:3: warning: ignoring '#pragma optimize GCC' [-Wunknown-pragmas] 3 | #pragma optimize GCC ("Ofast") | main.cpp: In function 'void update(int, int, int, int, int)': main.cpp:79:36: warning: comparing the result of pointer addition '(((bool*)(& aint[((p * 2) + 1)])) + ((sizetype)aint[key][(p * 2)]))' and NULL [-Waddress] 79 | aint[key][p]=aint[key][2*p]+aint[2*p+1]; | ~~~~~~~~~~~~~~^~~~~~~~~~~~ main.cpp: In function 'int main()': main.cpp:106:15: warning: unused variable 'j' [-Wunused-variable] 106 | int n,m,i,j; | ^