Submission #837536

#	TimeUTC-0	Username	Problem	Language	Result	Execution time	Memory
837536	2023-08-25 12:03:20	Liudas	Rope (JOI17_rope)	C++17	80 / 100	2587 ms	170492 KiB

rope

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#include <bits/stdc++.h>
using namespace std;
class segment_tree{
public:
vector<int> tree;
int N;
segment_tree(int K){
  N = 1;
  while(K >= N){
    N *= 2;
  }
  tree.assign(N * 2, 0);
}
void update(int head, int l, int r, int pos, int val){
  if(r - l == 1){
    tree[head] += val;
    return;
  }
  int mid = (l + r) / 2;
  if(pos < mid){
    update(head * 2 + 1, l, mid, pos, val);
  }
  else{
    update(head *2 + 2, mid, r, pos, val);
  }
  tree[head] = max(tree[head * 2 + 2], tree[head * 2 + 1]); 
}
void update(int pos, int val){
  update(0, 0, N, pos, val);
}
 
 
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• Subtask 1: 15 / 15
• Subtask 2: 30 / 30
• Subtask 3: 10 / 10
• Subtask 4: 25 / 25
• Subtask 5: 0 / 20