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IDProblemSubmitterResultTimeMemoryLanguageFile sizeSubmit timeJudge time
#367419#91. Secret PermutationMax_s_xaM0 1ms3676kbC++201.7kb2024-03-25 22:32:022024-03-25 22:32:03

Judging History

你现在查看的是最新测评结果

  • [2024-03-25 22:32:03]
  • 评测
  • 测评结果:0
  • 用时:1ms
  • 内存:3676kb
  • [2024-03-25 22:32:02]
  • 提交

answer

#include <iostream>
#include <random>
#include <algorithm>
#include <vector>
#include <cmath>

typedef long long ll;
typedef double lf;

// #define DEBUG 1

using namespace std;

const int MAXN = 260, B = 258;

#include "permutation.h"


mt19937 Rand(102934);

int n, idx[MAXN], a[MAXN], d[MAXN];
vector <int> qry;

int ans[MAXN], rt;
bool vis[MAXN << 1];
inline bool Solve(int cur, int p, int l, int r)
{
    if (r - l > n - 1 || vis[p + B]) return 0;
    if (cur == n)
    {
        ans[cur] = p;
        if (p + d[n] == 0 || p - d[n] == 0) return rt = l, 1;
        return 0;
    }
    vis[p + B] = 1, ans[cur] = p;
    if (Solve(cur + 1, p + d[cur], l, max(r, p + d[cur]))) return 1;
    if (Solve(cur + 1, p - d[cur], min(l, p - d[cur]), r)) return 1;
    vis[p + B] = 0;
    return 0;
}

void solve(int N)
{
    n = N;
    for (int i = 1; i <= n; i++) idx[i] = i;
    // shuffle(idx + 1, idx + n + 1, Rand);
    qry.clear();
    for (int i = 1; i <= n; i++) qry.push_back(idx[i]);
    a[0] = query(qry);
    qry.clear();
    for (int i = 1; i <= n; i++) qry.push_back(i);
    answer(qry);
    return;
    int sum = 0;
    for (int i = 1; i <= n - 1; i++)
    {
        qry.clear();
        for (int j = i; j >= 1; j--) qry.push_back(idx[j]);
        for (int j = n; j > i; j--) qry.push_back(idx[j]);
        a[i] = query(qry), sum += a[i];
    }
    sum -= (n - 2) * a[0], sum /= n - 1;
    d[n] = sum;
    for (int i = 1; i <= n - 1; i++) d[i] = a[0] - a[i] + d[n];
    // Solve(1, 0, 0, 0);
    // qry.resize(n);
    // qry[idx[1] - 1] = 1 - rt;
    // for (int i = 2; i <= n; i++) qry[idx[i] - 1] = qry[idx[1] - 1] + ans[i];
    // answer(qry);
}

Details

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Subtask #1:

score: 0
Wrong Answer

Test #1:

score: 0
Wrong Answer
time: 1ms
memory: 3676kb

input:

7
5 7 1 3 2 4 6

output:

-1

result:

wrong answer Your answer is not correct.

Subtask #2:

score: 0
Skipped

Dependency #1:

0%

Subtask #3:

score: 0
Skipped

Dependency #1:

0%