Submission #837543

#	TimeUTC-0	Username	Problem	Language	Result	Execution time	Memory
837543	2023-08-25 12:07:55	Liudas	Rope (JOI17_rope)	C++17	0 / 100	1 ms	724 KiB

rope

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#include <bits/stdc++.h>
using namespace std;
class segment_tree{
public:
int tree[50000] = {0};
int N = 50000;
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);
}
};
int arr[1000050];
int main(){
  int N, M;
  cin >> N >> M;
  for(int i = 0; i < N; i ++){
    cin >> arr[i];
 
 
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• Subtask 2: 0 / 30
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• Subtask 5: 0 / 20