#include <vector>
#include <iostream>
using namespace std;
int tree[4005][1005];
int arr[1005];
int tam;
void segment_tree(int pos, int ini, int fin){
if(ini == fin){
tree[pos][ini]=arr[ini];
return;
}
if(ini == fin-1){
tree[pos][ini]=arr[ini];
tree[pos][fin]=arr[fin];
return;
}
int mitad=(ini+fin)/2;
tree[pos][mitad-1]=arr[mitad-1];
for(int c=mitad-2; c >= ini; c--){
tree[pos][c]=Secret(arr[c], tree[pos][c+1]);
}
tree[pos][mitad]=arr[mitad];
for(int c=mitad+1; c <= fin; c++){
tree[pos][c]=Secret(tree[pos][c-1],arr[c]);
}
segment_tree(pos*2, ini, mitad);
segment_tree(pos*2+1, mitad+1, fin);
}
void Init(int N, int A[]){
tam=N;
for(int c=0; c < N; c++){
arr[c]=A[c];
}
segment_tree(1, 0, N-1);
}
int ayuda(int pos, int ini, int fin, int l, int r){
int mitad=(ini+fin)/2;
if(l == r)
return arr[l];
if(l == r-1)
return Secret(arr[l], arr[r]);
if(l < mitad && r >= mitad){
return Secret(tree[pos][l], tree[pos][r]);
}
if(l >= mitad){
return ayuda(pos*2+1, mitad, fin, l, r);
}
else
return ayuda(pos*2, ini, mitad-1, l , r);
}
int Query(int L, int R){
if(L == R)
return arr[L];
if(L == R-1)
return Secret(arr[L], arr[R]);
return ayuda(1, 0, tam, L, R);
}
Compilation message
secret.cpp: In function 'void segment_tree(int, int, int)':
secret.cpp:25:22: error: 'Secret' was not declared in this scope
25 | tree[pos][c]=Secret(arr[c], tree[pos][c+1]);
| ^~~~~~
secret.cpp:29:22: error: 'Secret' was not declared in this scope
29 | tree[pos][c]=Secret(tree[pos][c-1],arr[c]);
| ^~~~~~
secret.cpp: In function 'int ayuda(int, int, int, int, int)':
secret.cpp:48:16: error: 'Secret' was not declared in this scope
48 | return Secret(arr[l], arr[r]);
| ^~~~~~
secret.cpp:50:16: error: 'Secret' was not declared in this scope
50 | return Secret(tree[pos][l], tree[pos][r]);
| ^~~~~~
secret.cpp: In function 'int Query(int, int)':
secret.cpp:63:16: error: 'Secret' was not declared in this scope
63 | return Secret(arr[L], arr[R]);
| ^~~~~~
