제출 #492606

#	제출 시각UTC-0	아이디	문제	언어	결과	실행 시간	메모리
492606	2021-12-08 06:08:26	fhvirus	벽 (IOI14_wall)	C++17	100 / 100	943 ms	57696 KiB

wall

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#include "wall.h"
#include <algorithm>
#include <vector>
using namespace std;
const int INF = 1e9 + 7;
[[ gnu::pure ]] int id(int l, int r) { return (l + r) | (l != r); }
struct SGT {
  int n; vector<int> mnv, mxv;
  SGT (int nn) : n(nn), mnv(nn * 2, INF), mxv(nn * 2, 0) {}
  void chmax(int u, int v) {
    mnv[u] = max(mnv[u], v);
    mxv[u] = max(mxv[u], v);
  }
  void chmin(int u, int v) {
    mnv[u] = min(mnv[u], v);
    mxv[u] = min(mxv[u], v);
  }
  void push(int i, int l, int r) {
    int m = (l + r) / 2;
    chmax(id(l, m), mxv[i]);
    chmin(id(l, m), mnv[i]);
    chmax(id(m+1, r), mxv[i]);
    chmin(id(m+1, r), mnv[i]);
    mxv[i] = 0;
    mnv[i] = INF;
  }
  void chmax(int l, int r, int ql, int qr, int v) {
 
 
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• Subtask 1: 8 / 8
• Subtask 2: 24 / 24
• Subtask 3: 29 / 29
• Subtask 4: 39 / 39