#include "grader.h"
#include <bits/stdc++.h>
using namespace std;
const int INF = 1000000000;
pair <int, int> seg[8000005];
void init(int node, int l, int r){
seg[node].first = INF;
if(l == r) return;
int mid = (l+r)/2;
init(node*2, l, mid);
init(node*2+1, mid+1, r);
}
void update_children(int node, int l, int r){
if(l == r) return;
seg[node*2].first = min(seg[node*2].first, seg[node].first);
seg[node*2].first = max(seg[node*2].first, seg[node].second);
seg[node*2].second = max(seg[node*2].second, seg[node].second);
seg[node*2].second = min(seg[node*2].second, seg[node].first);
seg[node*2+1].first = min(seg[node*2+1].first, seg[node].first);
seg[node*2+1].first = max(seg[node*2+1].first, seg[node].second);
seg[node*2+1].second = max(seg[node*2+1].second, seg[node].second);
seg[node*2+1].second = min(seg[node*2+1].second, seg[node].first);
seg[node].first = INF;
seg[node].second = 0;
}
void upd(int node, int l, int r, int tl, int tr, pair <int, int> val){
update_children(node, l, r);
if(l > tr || tl > r) return;
if(tl <= l && r <= tr){
seg[node].first = min(seg[node].first, val.first);
seg[node].first = max(seg[node].first, val.second);
seg[node].second = max(seg[node].second, val.second);
seg[node].second = min(seg[node].second, val.first);
return;
}
int mid = (l+r)/2;
upd(node*2, l, mid, tl, tr, val);
upd(node*2+1, mid+1, r, tl, tr, val);
}
int konacno[2000005];
void traverse(int node, int l, int r){
update_children(node, l, r);
if(l == r){
konacno[l-1] = min(seg[node].first, seg[node].second);
return;
}
int mid = (l+r)/2;
traverse(node*2, l, mid);
traverse(node*2+1, mid+1, r);
}
void buildWall(int n, int k, int op[], int left[], int right[], int height[], int finalHeight[]){
init(1, 1, n);
for(int i=0; i<k; i++){
if(op[i] == 2){
upd(1, 1, n, left[i]+1, right[i]+1, {height[i], 0});
}
else{
upd(1, 1, n, left[i]+1, right[i]+1, {INF, height[i]});
}
}
traverse(1, 1, n);
for(int i=0; i<n; i++){
finalHeight[i] = konacno[i];
}
return;
}
Compilation message
wall.cpp:1:10: fatal error: grader.h: No such file or directory
#include "grader.h"
^~~~~~~~~~
compilation terminated.
