Submission #205074

#	Submission time	Handle	Problem	Language	Result	Execution time	Memory
205074	2020-02-27T20:46:34 Z	awlintqaa	Wall (IOI14_wall)	C++14	Compilation error	0 ms	0 KB

wall

#include <bits/stdc++.h>
using namespace std;
#define sqr 200
#define mid (l+r)/2
#define pb push_back
#define ppb pop_back
#define fi first
#define se second
#define lb lower_bound
#define ub upper_bound
#define ins insert
#define era erase
#define C continue
#define mem(dp,i) memset(dp,i,sizeof(dp))
#define mset multiset
typedef long long ll;
typedef short int si;
typedef long double ld;
typedef pair<int,int> pi;
typedef pair<ll,ll> pll;
typedef vector<int> vi;
typedef vector<ll> vll;
typedef vector<pi> vpi;
typedef vector<pll> vpll;
const ll mod=1e9+7;
const ll inf= 2e9;
const ld pai=acos(-1);
#include "wall.h"
int tree[8000009];
struct xxx{int on,mx,mn;}lzy[800009];
void fill(int past,int cur){
        if(lzy[node].on==0){
                lzy[node]=lzy[pre];
                return ;
        }
  int x=lzy[past].mn;
    if(x>lzy[cur].mn)
        lzy[cur].mn=x;
    if(x>lzy[cur].mx)
        lzy[cur].mx=x;
    x=lzy[past].mx;
    if(x<lzy[cur].mn)
        lzy[cur].mn=x;
    if(x<lzy[cur].mx)
        lzy[cur].mx=x;
}
void lzyUPD(int node,int l,int r){
        if(lzy[node].on==0)return;
        tree[node]=max(tree[node],lzy[node].mn);
        tree[node]=min(tree[node],lzy[node].mx);
        if(l!=r){
                fill(node,node*2);
                fill(node,node*2+1);
        }
        lzy[node].on=0;
        lzy[node].mn=-inf;
        lzy[node].mx=inf;
}
void upd(int node,int l,int r,int s,int e,int val,int t){
        lzyUPD(node,l,r);
        if(s>r || e<l)return ;
        if(s<=l && e>=r){
                if(t==1)lzy[node].mn=val,lzy[node].mx=inf;
                else lzy[node].mn=-inf,lzy[node].mx=val;
                lzy[node].on=1;
                lzyUPD(node,l,r);
                return ;
        }
        upd(node*2,l,mid,s,e,val,t);
        upd(node*2+1,mid+1,r,s,e,val,t);
        tree[node]=max(tree[node*2],tree[node*2+1]);
}
int query(int node,int l,int r,int id){
        lzyUPD(node,l,r);
        if(l==r)return tree[node];
        if(id<=mid)return query(node*2,l,mid,id);
        return query(node*2+1,mid+1,r,id);
}
void buildWall(int n, int k, int op[], int left[], int right[], int height[], int finalHeight[]){
        for(int i=0;i<k;i++)upd(1,0,n-1,left[i],right[i],height[i],op[i]);
        for(int i=0;i<n;i++)finalHeight[i]=query(1,0,n-1,i);
}

Compilation message

wall.cpp: In function 'void fill(int, int)':
wall.cpp:32:16: error: 'node' was not declared in this scope
         if(lzy[node].on==0){
                ^~~~
wall.cpp:32:16: note: suggested alternative: 'mod'
         if(lzy[node].on==0){
                ^~~~
                mod
wall.cpp:33:31: error: 'pre' was not declared in this scope
                 lzy[node]=lzy[pre];
                               ^~~
wall.cpp:33:31: note: suggested alternative: 'tree'
                 lzy[node]=lzy[pre];
                               ^~~
                               tree