Compilare: main.cpp: In function 'int main()': main.cpp:54:39: warning: iteration 400055 invokes undefined behavior [-Waggressive-loop-optimizations] 54 | for(int i=1;i<=4*MAX;++i) tree[i] = -1; | ~~~~~~~~^~~~ main.cpp:54:18: note: within this loop 54 | for(int i=1;i<=4*MAX;++i) tree[i] = -1; | ~^~~~~~~ main.cpp:54:39: warning: 'void* __builtin_memset(void*, int, long unsigned int)' forming offset [1600224, 1600227] is out of the bounds [0, 1600224] of object 'tree' with type 'int [400056]' [-Warray-bounds] 54 | for(int i=1;i<=4*MAX;++i) tree[i] = -1; | ~~~~~~~~^~~~ main.cpp:8:12: note: 'tree' declared here 8 | int A[MAX],tree[4*MAX],lazy[4*MAX]; | ^~~~