Submission #1030660

#	TimeUTC-0	Username	Problem	Language	Result	Execution time	Memory
1030660	2024-07-22 08:14:48	Unforgettablepl	Bitaro's travel (JOI23_travel)	C++17	100 / 100	401 ms	16244 KiB

travel

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#include <bits/stdc++.h>
using namespace std;
#define int long long
struct segtree{
  vector<int> tree;
  segtree():tree(524288,INT64_MIN){}
  void update(int k,int x){
    k+=262144;
    tree[k]=x;
    while(k/=2){
      tree[k]=max(tree[2*k],tree[2*k+1]);
    }
  }
  int get(int a,int b){
    a+=262144;b+=262144;
    int ans = INT64_MIN;
    while(a<=b){
      if(a&1)ans=max(ans,tree[a++]);
      if(b%2 == 0)ans=max(ans,tree[b--]);
      a/=2;b/=2;
    }
    return ans;
  }
};
int32_t main(){
  ios_base::sync_with_stdio(false);
  cin.tie(nullptr);
 
 
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• Subtask 1: 5 / 5
• Subtask 2: 10 / 10
• Subtask 3: 30 / 30
• Subtask 4: 55 / 55