#include <bits/stdc++.h>
#include "grader.h"
using namespace std;
struct node
{
int min_val, max_val;
int lazy;
node() {min_val = max_val = 0, lazy = -1;}
};
const int maxn = 2e6 + 3;
node tr[maxn * 4];
void push(int v, int l, int r)
{
if (tr[v].lazy == -1)
return;
tr[v].min_val = tr[v].max_val = tr[v].lazy;
if (l != r)
tr[v * 2].lazy = tr[v * 2 + 1].lazy = tr[v].lazy;
tr[v].lazy = -1;
}
void merge(int v)
{
tr[v].min_val = min(tr[v * 2].min_val, tr[v * 2 + 1].min_val);
tr[v].max_val = max(tr[v * 2].max_val, tr[v * 2 + 1].max_val);
}
void update(int v, int l, int r, int ll, int rr, int val, bool type)
{
push(v, l, r);
if (l > rr || r < ll)
return;
if (l >= ll && r <= rr)
{
if (!type)
{
if (val <= tr[v].min_val)
{
tr[v].lazy = val;
push(v, l, r);
return;
}
else
if (val >= tr[v].max_val)
return;
}
else
{
if (val >= tr[v].max_val)
{
tr[v].lazy = val;
push(v, l, r);
return;
}
else
if (val <= tr[v].min_val)
return;
}
}
int mid = (l + r) / 2;
update(v * 2, l, mid, ll, rr, val, type);
update(v * 2 + 1, mid + 1, r, ll, rr, val, type);
merge(v);
}
int get(int v, int l, int r, int pos)
{
push(v, l, r);
if (l == r)
return tr[v].min_val;
int mid = (l + r) / 2;
if (pos <= mid)
return get(v * 2, l, mid, pos);
else
return get(v * 2 + 1, mid + 1, r, pos);
}
void buildWall(int n, int k, int op[], int left[], int right[], int height[], int finalHeight[])
{
for (int i = 0; i < k; i++)
{
if (op[i] == 1)
update(1, 1, n, left[i] + 1, right[i] + 1, height[i], true);
else
update(1, 1, n, left[i] + 1, right[i] + 1, height[i], false);
}
for (int i = 1; i <= n; i++)
finalHeight[i-1] = get(1, 1, n, i);
}
Compilation message
wall.cpp:2:10: fatal error: grader.h: No such file or directory
2 | #include "grader.h"
| ^~~~~~~~~~
compilation terminated.
