제출 #841738

#	제출 시각UTC-0	아이디	문제	언어	결과	실행 시간	메모리
841738	2023-09-02 01:46:04	12345678	벽 (IOI14_wall)	C++17	100 / 100	552 ms	99464 KiB

wall

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#include "wall.h"
#include <bits/stdc++.h>
using namespace std;
const int nx=2e6+5;
struct segtree
{
  struct node
  {
    int low, up;
    node(): low(0), up(INT_MAX){}
  } d[4*nx];
  void add(int l, int r, int i, int ql, int qr, int t)
  {
    if (qr<l||r<ql) return;
    t=max(t, d[i].low);
    t=min(t, d[i].up);
    if (ql<=l&&r<=qr) return void(d[i].low=t);
    int md=(l+r)/2;
    add(l, md, 2*i, ql, qr, t);
    add(md+1, r, 2*i+1, ql, qr, t);
  }
  void remove(int l, int r, int i, int ql, int qr, int t)
  {
    if (qr<l||r<ql) return;
    t=max(t, d[i].low);
    t=min(t, d[i].up);
    if (ql<=l&&r<=qr) return void(d[i].up=t);
 
 
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• Subtask 2: 24 / 24
• Subtask 3: 29 / 29
• Subtask 4: 39 / 39