QOJ.ac

QOJ

ID题目提交者结果用时内存语言文件大小提交时间测评时间
#752260#9249. Elimination Series Once MorewkrWA 0ms3720kbC++203.3kb2024-11-15 23:34:212024-11-15 23:34:22

Judging History

This is the latest submission verdict.

  • [2024-11-15 23:34:22]
  • Judged
  • Verdict: WA
  • Time: 0ms
  • Memory: 3720kb
  • [2024-11-15 23:34:21]
  • Submitted

answer

#include <bits/stdc++.h>
using namespace std;
#define endl '\n'
#define wkr ios::sync_with_stdio(false), cin.tie(0), cout.tie(0)
const int N = 2e6 + 10;
const int M = N * 50;
int n, m, k;
int rt[N], ls[M], rs[M], sum[M], tot, a[N];
void up(int id)
{
    sum[id] = sum[ls[id]] + sum[rs[id]];
}
void build(int &id, int l, int r, int idx)
{
    if (!id)
    {
        id = ++tot;
    }
    if (l == r)
    {
        ++sum[id];
        return;
    }
    int mid = (l + r) >> 1;
    if (idx <= mid)
    {
        build(ls[id], l, mid, idx);
    }
    else
    {
        build(rs[id], mid + 1, r, idx);
    }
    up(id);
}
void update(int prev, int &cur, int l, int r, int idx)
{
    cur = ++tot;
    ls[cur] = ls[prev];
    rs[cur] = rs[prev];
    sum[cur] = sum[prev];
    if (l == r)
    {
        ++sum[cur];
        return;
    }
    int mid = (l + r) >> 1;
    if (idx <= mid)
        update(ls[prev], ls[cur], l, mid, idx);
    else
        update(rs[prev], rs[cur], mid + 1, r, idx);
    up(cur);
}

int query(int id, int l, int r, int ql, int qr)
{
    if (l >= ql && r <= qr)
    {
        return sum[id];
    }
    int mid = (l + r) >> 1;
    if (qr <= mid)
    {
        return query(ls[id], l, mid, ql, qr);
    }
    else if (ql > mid)
    {
        return query(rs[id], mid + 1, r, ql, qr);
    }
    else
    {
        return query(ls[id], l, mid, ql, qr) + query(rs[id], mid + 1, r, ql, qr);
    }
}
int qpow(int a, int b)
{
    int ans = 1;
    while (b)
    {
        if (b & 1)
            ans = (a * ans);
        b >>= 1;
        a = (a * a);
    }
    return ans;
}
void solved()
{
    cin >> n >> m;
    int k = m;
    int total = qpow(2, n);
    for (int i = 0; i < total; i++)
    {
        cin >> a[i];
        if (i == 0)
        {
            build(rt[0], 1, total, a[i]);
            continue;
        }
        update(rt[i - 1], rt[i], 1, total, a[i]);
    }
    int maxNum = qpow(2, n);
    for (int i = 0; i < total; i++)
    {
        int v = a[i];
        int ok = v - 1;
        if (ok == 0)
        {
            cout << 0 << " ";
            continue;
        }
        if (v == maxNum)
        {
            cout << n << " ";
            continue;
        }
        if(k>=ok)
		{
			int len = v;
			int ans = 0;
			int need = 1;
			while(len > need)
			{
				++ans;
				need *= 2;
			}
			cout<<ans<<" ";
			continue;
		 } 
        for (int j = 1; j <= n + 1; j++)
        {
            int len = qpow(2, j);
            int left = i - i % len;
            int right = left + len - 1;
            int num1;
            int num2;
            if (left == 0)
            {
                num1 = 0;
            }
            else
            {
                num1 = query(rt[left - 1], 1, total, 1, v - 1);
            }
            num2 = query(rt[right], 1, total, 1, v - 1);
            int less = num2 - num1;
            int big = len - less - 1;
            int canMove = ok - less;
            // cerr << i << " " << left << " " << right << " " << big << " " << k << " " << canMove << endl;
            if (big > k || (big <= k && canMove < min(big, k)))
            {
                cout << j - 1 << " ";
                break;
            }
        }
    }
}

signed main()
{
     wkr;
    solved();
    return 0;
}

详细

Test #1:

score: 100
Accepted
time: 0ms
memory: 3680kb

input:

2 1
1 2 3 4

output:

0 1 1 2 

result:

ok 4 number(s): "0 1 1 2"

Test #2:

score: -100
Wrong Answer
time: 0ms
memory: 3720kb

input:

3 5
2 4 7 5 3 8 6 1

output:

1 2 2 3 2 3 3 0 

result:

wrong answer 4th numbers differ - expected: '2', found: '3'