Submission #1161103

#	TimeUTC-0	Username	Problem	Language	Result	Execution time	Memory
1161103	2025-03-03 16:06:35	fryingduc	Long Mansion (JOI17_long_mansion)	C++20	100 / 100	498 ms	113076 KiB

long_mansion

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#include "bits/stdc++.h"
using namespace std;
#ifdef duc_debug
#include "bits/debug.h"
#else
#define debug(...)
#endif
const int maxn = 5e5 + 5;
const int LG = 19;
int n, q;
int l[maxn], r[maxn];
int bl[maxn][LG + 1], br[maxn][LG + 1];
int L[maxn], R[maxn];
int a[maxn];
vector<int> rv[maxn];
int tree_min[maxn << 2], tree_max[maxn << 2];
void upd(int pos, int ind = 1, int l = 1, int r = n) {
  if (l == r) {
    tree_min[ind] = L[l];
    tree_max[ind] = R[l];
    return;
  }
  int mid = (l + r) >> 1;
  if (pos <= mid) upd(pos, ind << 1, l, mid);
  else upd(pos, ind << 1 | 1, mid + 1, r);
  tree_max[ind] = max(tree_max[ind << 1], tree_max[ind << 1 | 1]);
 
 
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• Subtask 1: 5 / 5
• Subtask 2: 5 / 5
• Subtask 3: 15 / 15
• Subtask 4: 75 / 75