Submission #470173

#	TimeUTC-0	Username	Problem	Language	Result	Execution time	Memory
470173	2021-09-03 07:32:09	Sohsoh84	Sumtree (INOI20_sumtree)	C++14	100 / 100	880 ms	93636 KiB

Main

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// orz
#include <bits/stdc++.h>
using namespace std;
typedef long long ll;
typedef pair<ll, ll> pll;
#define all(x)                      (x).begin(),(x).end()
#define X                           first
#define Y                           second
#define sep                         ' '
#define endl                        '\n'
#define debug(x)                    cerr << #x << ": " <<  x << endl;
const ll MAXN = 1e6 + 10;
const ll MOD = 1e9 + 7;
const ll LOG = 20;
struct Fenwick {
  int fen[MAXN];
  Fenwick() {}
  inline void add(int ind, int val) {
    for (++ind; ind < MAXN; ind += ind & -ind)
      fen[ind] += val;
  }
  inline int query(int ind) {
    int ans = 0;
 
 
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• Subtask 1: 10 / 10
• Subtask 2: 20 / 20
• Subtask 3: 20 / 20
• Subtask 4: 20 / 20
• Subtask 5: 30 / 30