Submission #705249

#	TimeUTC-0	Username	Problem	Language	Result	Execution time	Memory
705249	2023-03-03 17:05:15	bebra	Bubble Sort 2 (JOI18_bubblesort2)	C++17	38 / 100	9064 ms	1620 KiB

bubblesort2

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#include "bubblesort2.h"
#include <bits/stdc++.h>
using ll = long long;
using namespace std;
#define dbg(x) cerr << #x << ": " << x << endl;
struct FenwickTree {
    vector<int> tree;
    int size;
    FenwickTree(int n) {
        size = n;
        tree.resize(size);
    }
    void update(int pos, int value) {
        for (int i = pos; i < size; i |= i + 1) {
            tree[i] += value;
        }
    }
    int query(int l, int r) {
        int res = 0;
        for (int i = r; i >= 0; i = (i & (i + 1)) - 1) {
            res += tree[i];
        }
        for (int i = l - 1; i >= 0; i = (i & (i + 1)) - 1) {
            res -= tree[i];
 
 
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• Subtask 1: 17 / 17
• Subtask 2: 21 / 21
• Subtask 3: 0 / 22
• Subtask 4: 0 / 40