Submission #872588

#	TimeUTC-0	Username	Problem	Language	Result	Execution time	Memory
872588	2023-11-13 12:04:49	dsyz	Wall (IOI14_wall)	C++17	61 / 100	615 ms	262144 KiB

wall

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#include <bits/stdc++.h>
#include "wall.h"
using namespace std;
using ll = long long;
#define MAXN (1000005)
struct node {
  node *l, *r;
  ll s,e,m,opmax,opmin;
  node(ll _s,ll _e){
    s=_s,e=_e,m=(s+e)/2;
    opmax = opmin = 0;
    if(s!=e)l=new node(s,m),r=new node(m+1,e);
  }
  void minimise(ll x,ll y,ll nval){
    value();
    if(s==x&&e==y) {
      if(opmax > nval) {
        opmax = nval;
        if(opmin > nval)opmin=nval;
      }
      return;
    }
    if(x>m)r->minimise(x,y,nval);
    else if(y<=m)l->minimise(x,y,nval);
    else l->minimise(x,m,nval),r->minimise(m+1,y,nval);
    opmax = max(l->opmax, r->opmax);
    opmin = min(l->opmin, r->opmin);
  }
  void maximise(ll x,ll y,ll nval){
 
 
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• Subtask 1: 8 / 8
• Subtask 2: 24 / 24
• Subtask 3: 29 / 29
• Subtask 4: 0 / 39