Submission #635415

#	TimeUTC-0	Username	Problem	Language	Result	Execution time	Memory
635415	2022-08-26 08:38:11	S2speed	Sumtree (INOI20_sumtree)	C++17	100 / 100	576 ms	64972 KiB

Main

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#include<bits/stdc++.h>
using namespace std;
#pragma GCC optimize ("Ofast")
#define sze(x) (int)(x.size())
typedef long long ll;
typedef pair<ll , ll> pll;
typedef pair<int , int> pii;
const ll maxn = 2e5 + 17 , maxc = 6e5 + 17 , md = 1e9 + 7 , inf = 2e8;
struct fentree {
  int sz;
  vector<int> val;
  void init(int n){
    sz = n;
    val.assign(sz , 0);
    return;
  }
  void add(int i , int k){
    if(i == -1) return;
    int h = i;
    while(h < sz){
      val[h] += k;
      h |= (h + 1);
 
 
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• Subtask 1: 10 / 10
• Subtask 2: 20 / 20
• Subtask 3: 20 / 20
• Subtask 4: 20 / 20
• Subtask 5: 30 / 30