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IDProblemSubmitterResultTimeMemoryLanguageFile sizeSubmit timeJudge time
#814573#9799. Magical PaletteYipChip#WA 25ms13856kbC++233.2kb2024-12-14 18:30:432024-12-14 18:30:44

Judging History

你现在查看的是最新测评结果

  • [2024-12-14 18:30:44]
  • 评测
  • 测评结果:WA
  • 用时:25ms
  • 内存:13856kb
  • [2024-12-14 18:30:43]
  • 提交

answer

#include <bits/stdc++.h>
using namespace std;
typedef long long ll;
const int N = 1e6 + 10;
int primes[N], st[N], phi[N], cnt;
int vis[N], mod;

void init()
{
    phi[1] = 1;
    for (int i = 2; i < N; i ++ )
    {
        if (!st[i]) primes[cnt ++ ] = i, phi[i] = i - 1;
        for (int j = 0; i * primes[j] < N; j ++ )
        {
            st[i * primes[j]] = 1;
            if (i % primes[j] == 0)
            {
                phi[primes[j] * i] = phi[i] * primes[j];
                break;
            }
            phi[primes[j] * i] = phi[i] * (primes[j] - 1);
        }
    }
}

int get(int n, int m)
{
    ll res = 1, cnt = 0;
    for (int i = 2; i <= mod; i ++ )
    {
        if (i == n || i == m) continue;
        res = res * i % mod, cnt ++ ;
        while (res != 1 && cnt <= m) res = res * i % mod, cnt ++ ;
        if (cnt == m) return i;
        else res = cnt = 1;
    }
    return 0;
}

void solve()
{
    int n, m;
    cin >> n >> m, mod = n * m;
    if (n == 1)
    {
        cout << "Yes\n1\n";
        for (int i = 1; i <= m; i ++ ) cout << i << " \n"[i == m];
        return;
    }
    if (m == 1)
    {
        for (int i = 1; i <= n; i ++ ) cout << i << " \n"[i == n];
        cout << "Yes\n1\n";
        return;
    }
    if (n > 3 && m > 3) return cout << "No\n", void();
    // if (phi[mod] % (n - 1) || phi[mod] % (m - 1)) return cout << "No\n", void();
    int pd = 0;
    if (n > m) swap(n, m), pd = 1;
    int mul = get(n, m);
    for (int i = 0; i < n * m; i ++ ) vis[i] = 0;
    vector<int> ans1, ans2;
    ll res = 1;
    res = res * mul % (n * m);
    ans2.push_back(1);
    while (res != 1) ans2.push_back(res), res = res * mul % mod;
    for (int i = 1; i < mod; i ++ )
    {
        if (!vis[i] && i % n && i % m)
        {
            ans1.push_back(i);
            for (auto t : ans2) vis[t * i % mod] = 1;
        }
    }
    if (pd) swap(ans1, ans2), swap(n, m);
    for (int i = n; i < mod; i += n)
    {
        pd = 0;
        for (int j = 0; j < mod; j += n) vis[j] = 0;
        for (auto t : ans2)
            if (vis[1ll * t * i % mod]) pd = 1;
            else vis[1ll * t * i % mod] = 1;
        if (!pd)
        {
            ans1.push_back(i);
            break;
        }
    }
    for (int i = m; i < mod; i += m)
    {
        pd = 0;
        for (int j = 0; j < mod; j += m) vis[j] = 0;
        for (auto t : ans1)
            if (vis[1ll * t * i % mod]) pd = 1;
            else vis[1ll * t * i % mod] = 1;
        if (!pd)
        {
            ans2.push_back(i);
            break;
        }
    }
    if (ans1.size() != n || ans2.size() != m) return cout << "No\n", void();
    cout << "Yes\n";
    // for (int i = 0; i < n; i ++ )
    // {
    //     for (int j = 0; j < m; j ++ )
    //         cout << ans1[i] * ans2[j] % mod << ' ';
    //     cout << "\n";
    // }
    for (int i = 0; i < n; i ++ ) cout << ans1[i] << " \n"[i == n - 1];
    for (int i = 0; i < m; i ++ ) cout << ans2[i] << " \n"[i == m - 1];

}

int main()
{
    ios::sync_with_stdio(false);
    cin.tie(nullptr);
    init();
    int T = 1;
    cin >> T;
    while (T -- ) solve();
    return 0;
}

Details

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Test #1:

score: 100
Accepted
time: 3ms
memory: 13856kb

input:

2
2 3
2 2

output:

Yes
1 2
1 5 3
No

result:

ok 2 cases (2 test cases)

Test #2:

score: -100
Wrong Answer
time: 25ms
memory: 13780kb

input:

1
1 1000000

output:

Yes
1
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 10...

result:

wrong answer Integer parameter [name=b[1000000]] equals to 1000000, violates the range [0, 999999] (test case 1)