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답안 #1051832

# 제출 시각 아이디 문제 언어 결과 실행 시간 메모리
1051832 2024-08-10T10:04:43 Z SamAnd Rope (JOI17_rope) C++17
100 / 100
 427 ms 83576 KB 
#include <bits/stdc++.h>
using namespace std;
#define m_p make_pair
#define all(x) (x).begin(),(x).end()
#define sz(x) ((int)(x).size())
#define fi first
#define se second
typedef long long ll;
mt19937 rnd(chrono::steady_clock::now().time_since_epoch().count());
mt19937 rnf(2106);
const int N = 1000006;

int nn;
int n, m;
int c[N];

pair<int, int> a[N];
int ans[N];
vector<int> v[N];

int q[N];
int qq[N];
int maxu;
void ubd(int i, int y)
{
    if (a[i].fi)
        qq[q[a[i].fi]]--;
    if (a[i].se && a[i].se != a[i].fi)
        qq[q[a[i].se]]--;
    q[a[i].fi] += y;
    q[a[i].se] += y;
    if (a[i].fi)
        qq[q[a[i].fi]]++;
    if (a[i].se && a[i].se != a[i].fi)
        qq[q[a[i].se]]++;

    while (1)
    {
        if (qq[maxu + 1])
            ++maxu;
        else if (qq[maxu + 2])
            maxu += 2;
        else
            break;
    }
    while (!qq[maxu])
        --maxu;
}

void solvv()
{
    for (int x = 1; x <= m; ++x)
        v[x].clear();
    memset(q, 0, sizeof q);
    memset(qq, 0, sizeof qq);
    maxu = 0;

    for (int i = 1; i <= n; ++i)
    {
        v[a[i].fi].push_back(i);
        if (a[i].se != a[i].fi)
            v[a[i].se].push_back(i);
    }

    qq[0] = m;
    for (int i = 1; i <= n; ++i)
        ubd(i, 1);

    for (int x = 1; x <= m; ++x)
    {
        int yans = 0;
        for (int i = 0; i < sz(v[x]); ++i)
        {
            int j = v[x][i];
            ubd(j, -1);
            if (a[j].fi == x)
                ++yans;
            if (a[j].se == x)
                ++yans;
        }
        yans += maxu;
        ans[x] = min(ans[x], nn - yans);
        for (int i = 0; i < sz(v[x]); ++i)
        {
            int j = v[x][i];
            ubd(j, 1);
        }
    }
}

void solv()
{
    cin >> n >> m;
    for (int i = 1; i <= n; ++i)
        cin >> c[i];
    nn = n;

    for (int i = 1; i <= m; ++i)
        ans[i] = n;

    if (n % 2 == 0)
    {
        for (int i = 1; i <= n; i += 2)
        {
            a[i / 2 + 1] = m_p(c[i], c[i + 1]);
        }
        n = n / 2;
        solvv();
        n *= 2;
        a[1] = m_p(c[1], 0);
        a[2] = m_p(c[n], 0);
        for (int i = 2; i < n; i += 2)
        {
            a[i / 2 + 2] = m_p(c[i], c[i + 1]);
        }
        n = 2 + (n - 2) / 2;
        solvv();
    }
    else
    {
        a[1] = m_p(c[1], 0);
        for (int i = 2; i <= n; i += 2)
            a[i / 2 + 1] = m_p(c[i], c[i + 1]);
        n = (n - 1) / 2 + 1;
        solvv();
        n = (n - 1) * 2 + 1;
        a[1] = m_p(c[n], 0);
        for (int i = 1; i < n; i += 2)
            a[i / 2 + 2] = m_p(c[i], c[i + 1]);
        solvv();
    }

    for (int i = 1; i <= m; ++i)
        cout << ans[i] << "\n";
}

int main()
{
    #ifdef SOMETHING
    freopen("input.txt", "r", stdin);
    //freopen("output.txt", "w", stdout);
    #endif // SOMETHING
    ios_base::sync_with_stdio(false), cin.tie(0);

    int tt = 1;
    //cin >> tt;
    while (tt--)
    {
        solv();
    }
    return 0;
}

Subtask #1
15.0 / 15.0

# 결과 실행 시간 메모리 Grader output
1 Correct 5 ms 37468 KB Output is correct
2 Correct 5 ms 37468 KB Output is correct
3 Correct 5 ms 37468 KB Output is correct
4 Correct 5 ms 37468 KB Output is correct
5 Correct 5 ms 37464 KB Output is correct
6 Correct 5 ms 37468 KB Output is correct
7 Correct 4 ms 37468 KB Output is correct
8 Correct 6 ms 37468 KB Output is correct
9 Correct 6 ms 37468 KB Output is correct
10 Correct 5 ms 37468 KB Output is correct
11 Correct 4 ms 37468 KB Output is correct
12 Correct 5 ms 37468 KB Output is correct
13 Correct 5 ms 37468 KB Output is correct
14 Correct 5 ms 37468 KB Output is correct
15 Correct 7 ms 37356 KB Output is correct
16 Correct 5 ms 37468 KB Output is correct
17 Correct 6 ms 37468 KB Output is correct
18 Correct 5 ms 37468 KB Output is correct
19 Correct 6 ms 37468 KB Output is correct
20 Correct 6 ms 37468 KB Output is correct
21 Correct 5 ms 37584 KB Output is correct
22 Correct 5 ms 37468 KB Output is correct
23 Correct 5 ms 37392 KB Output is correct
24 Correct 6 ms 37468 KB Output is correct
25 Correct 4 ms 37468 KB Output is correct
26 Correct 5 ms 37468 KB Output is correct

Subtask #2
30.0 / 30.0

# 결과 실행 시간 메모리 Grader output
1 Correct 5 ms 37468 KB Output is correct
2 Correct 5 ms 37468 KB Output is correct
3 Correct 5 ms 37468 KB Output is correct
4 Correct 5 ms 37468 KB Output is correct
5 Correct 5 ms 37464 KB Output is correct
6 Correct 5 ms 37468 KB Output is correct
7 Correct 4 ms 37468 KB Output is correct
8 Correct 6 ms 37468 KB Output is correct
9 Correct 6 ms 37468 KB Output is correct
10 Correct 5 ms 37468 KB Output is correct
11 Correct 4 ms 37468 KB Output is correct
12 Correct 5 ms 37468 KB Output is correct
13 Correct 5 ms 37468 KB Output is correct
14 Correct 5 ms 37468 KB Output is correct
15 Correct 7 ms 37356 KB Output is correct
16 Correct 5 ms 37468 KB Output is correct
17 Correct 6 ms 37468 KB Output is correct
18 Correct 5 ms 37468 KB Output is correct
19 Correct 6 ms 37468 KB Output is correct
20 Correct 6 ms 37468 KB Output is correct
21 Correct 5 ms 37584 KB Output is correct
22 Correct 5 ms 37468 KB Output is correct
23 Correct 5 ms 37392 KB Output is correct
24 Correct 6 ms 37468 KB Output is correct
25 Correct 4 ms 37468 KB Output is correct
26 Correct 5 ms 37468 KB Output is correct
27 Correct 18 ms 40028 KB Output is correct
28 Correct 15 ms 40108 KB Output is correct
29 Correct 15 ms 40540 KB Output is correct
30 Correct 14 ms 40516 KB Output is correct
31 Correct 12 ms 40028 KB Output is correct
32 Correct 14 ms 40304 KB Output is correct
33 Correct 15 ms 40572 KB Output is correct
34 Correct 13 ms 40448 KB Output is correct

Subtask #3
10.0 / 10.0

# 결과 실행 시간 메모리 Grader output
1 Correct 5 ms 37468 KB Output is correct
2 Correct 5 ms 37468 KB Output is correct
3 Correct 5 ms 37468 KB Output is correct
4 Correct 5 ms 37468 KB Output is correct
5 Correct 5 ms 37464 KB Output is correct
6 Correct 5 ms 37468 KB Output is correct
7 Correct 4 ms 37468 KB Output is correct
8 Correct 6 ms 37468 KB Output is correct
9 Correct 6 ms 37468 KB Output is correct
10 Correct 5 ms 37468 KB Output is correct
11 Correct 4 ms 37468 KB Output is correct
12 Correct 5 ms 37468 KB Output is correct
13 Correct 5 ms 37468 KB Output is correct
14 Correct 5 ms 37468 KB Output is correct
15 Correct 7 ms 37356 KB Output is correct
16 Correct 5 ms 37468 KB Output is correct
17 Correct 6 ms 37468 KB Output is correct
18 Correct 5 ms 37468 KB Output is correct
19 Correct 6 ms 37468 KB Output is correct
20 Correct 6 ms 37468 KB Output is correct
21 Correct 5 ms 37584 KB Output is correct
22 Correct 5 ms 37468 KB Output is correct
23 Correct 5 ms 37392 KB Output is correct
24 Correct 6 ms 37468 KB Output is correct
25 Correct 4 ms 37468 KB Output is correct
26 Correct 5 ms 37468 KB Output is correct
27 Correct 18 ms 40028 KB Output is correct
28 Correct 15 ms 40108 KB Output is correct
29 Correct 15 ms 40540 KB Output is correct
30 Correct 14 ms 40516 KB Output is correct
31 Correct 12 ms 40028 KB Output is correct
32 Correct 14 ms 40304 KB Output is correct
33 Correct 15 ms 40572 KB Output is correct
34 Correct 13 ms 40448 KB Output is correct
35 Correct 17 ms 40028 KB Output is correct
36 Correct 13 ms 40228 KB Output is correct
37 Correct 13 ms 40536 KB Output is correct
38 Correct 14 ms 40512 KB Output is correct
39 Correct 13 ms 40520 KB Output is correct
40 Correct 12 ms 40304 KB Output is correct
41 Correct 18 ms 40284 KB Output is correct
42 Correct 13 ms 40092 KB Output is correct
43 Correct 13 ms 40280 KB Output is correct
44 Correct 16 ms 40284 KB Output is correct
45 Correct 15 ms 40284 KB Output is correct
46 Correct 12 ms 40028 KB Output is correct
47 Correct 12 ms 40120 KB Output is correct

Subtask #4
25.0 / 25.0

# 결과 실행 시간 메모리 Grader output
1 Correct 5 ms 37468 KB Output is correct
2 Correct 5 ms 37468 KB Output is correct
3 Correct 5 ms 37468 KB Output is correct
4 Correct 5 ms 37468 KB Output is correct
5 Correct 5 ms 37464 KB Output is correct
6 Correct 5 ms 37468 KB Output is correct
7 Correct 4 ms 37468 KB Output is correct
8 Correct 6 ms 37468 KB Output is correct
9 Correct 6 ms 37468 KB Output is correct
10 Correct 5 ms 37468 KB Output is correct
11 Correct 4 ms 37468 KB Output is correct
12 Correct 5 ms 37468 KB Output is correct
13 Correct 5 ms 37468 KB Output is correct
14 Correct 5 ms 37468 KB Output is correct
15 Correct 7 ms 37356 KB Output is correct
16 Correct 5 ms 37468 KB Output is correct
17 Correct 6 ms 37468 KB Output is correct
18 Correct 5 ms 37468 KB Output is correct
19 Correct 6 ms 37468 KB Output is correct
20 Correct 6 ms 37468 KB Output is correct
21 Correct 5 ms 37584 KB Output is correct
22 Correct 5 ms 37468 KB Output is correct
23 Correct 5 ms 37392 KB Output is correct
24 Correct 6 ms 37468 KB Output is correct
25 Correct 4 ms 37468 KB Output is correct
26 Correct 5 ms 37468 KB Output is correct
27 Correct 18 ms 40028 KB Output is correct
28 Correct 15 ms 40108 KB Output is correct
29 Correct 15 ms 40540 KB Output is correct
30 Correct 14 ms 40516 KB Output is correct
31 Correct 12 ms 40028 KB Output is correct
32 Correct 14 ms 40304 KB Output is correct
33 Correct 15 ms 40572 KB Output is correct
34 Correct 13 ms 40448 KB Output is correct
35 Correct 17 ms 40028 KB Output is correct
36 Correct 13 ms 40228 KB Output is correct
37 Correct 13 ms 40536 KB Output is correct
38 Correct 14 ms 40512 KB Output is correct
39 Correct 13 ms 40520 KB Output is correct
40 Correct 12 ms 40304 KB Output is correct
41 Correct 18 ms 40284 KB Output is correct
42 Correct 13 ms 40092 KB Output is correct
43 Correct 13 ms 40280 KB Output is correct
44 Correct 16 ms 40284 KB Output is correct
45 Correct 15 ms 40284 KB Output is correct
46 Correct 12 ms 40028 KB Output is correct
47 Correct 12 ms 40120 KB Output is correct
48 Correct 127 ms 49772 KB Output is correct
49 Correct 91 ms 49932 KB Output is correct
50 Correct 107 ms 52168 KB Output is correct
51 Correct 119 ms 51908 KB Output is correct
52 Correct 90 ms 51084 KB Output is correct
53 Correct 82 ms 48980 KB Output is correct
54 Correct 76 ms 48156 KB Output is correct
55 Correct 76 ms 47948 KB Output is correct
56 Correct 95 ms 47696 KB Output is correct

Subtask #5
20.0 / 20.0

# 결과 실행 시간 메모리 Grader output
1 Correct 5 ms 37468 KB Output is correct
2 Correct 5 ms 37468 KB Output is correct
3 Correct 5 ms 37468 KB Output is correct
4 Correct 5 ms 37468 KB Output is correct
5 Correct 5 ms 37464 KB Output is correct
6 Correct 5 ms 37468 KB Output is correct
7 Correct 4 ms 37468 KB Output is correct
8 Correct 6 ms 37468 KB Output is correct
9 Correct 6 ms 37468 KB Output is correct
10 Correct 5 ms 37468 KB Output is correct
11 Correct 4 ms 37468 KB Output is correct
12 Correct 5 ms 37468 KB Output is correct
13 Correct 5 ms 37468 KB Output is correct
14 Correct 5 ms 37468 KB Output is correct
15 Correct 7 ms 37356 KB Output is correct
16 Correct 5 ms 37468 KB Output is correct
17 Correct 6 ms 37468 KB Output is correct
18 Correct 5 ms 37468 KB Output is correct
19 Correct 6 ms 37468 KB Output is correct
20 Correct 6 ms 37468 KB Output is correct
21 Correct 5 ms 37584 KB Output is correct
22 Correct 5 ms 37468 KB Output is correct
23 Correct 5 ms 37392 KB Output is correct
24 Correct 6 ms 37468 KB Output is correct
25 Correct 4 ms 37468 KB Output is correct
26 Correct 5 ms 37468 KB Output is correct
27 Correct 18 ms 40028 KB Output is correct
28 Correct 15 ms 40108 KB Output is correct
29 Correct 15 ms 40540 KB Output is correct
30 Correct 14 ms 40516 KB Output is correct
31 Correct 12 ms 40028 KB Output is correct
32 Correct 14 ms 40304 KB Output is correct
33 Correct 15 ms 40572 KB Output is correct
34 Correct 13 ms 40448 KB Output is correct
35 Correct 17 ms 40028 KB Output is correct
36 Correct 13 ms 40228 KB Output is correct
37 Correct 13 ms 40536 KB Output is correct
38 Correct 14 ms 40512 KB Output is correct
39 Correct 13 ms 40520 KB Output is correct
40 Correct 12 ms 40304 KB Output is correct
41 Correct 18 ms 40284 KB Output is correct
42 Correct 13 ms 40092 KB Output is correct
43 Correct 13 ms 40280 KB Output is correct
44 Correct 16 ms 40284 KB Output is correct
45 Correct 15 ms 40284 KB Output is correct
46 Correct 12 ms 40028 KB Output is correct
47 Correct 12 ms 40120 KB Output is correct
48 Correct 127 ms 49772 KB Output is correct
49 Correct 91 ms 49932 KB Output is correct
50 Correct 107 ms 52168 KB Output is correct
51 Correct 119 ms 51908 KB Output is correct
52 Correct 90 ms 51084 KB Output is correct
53 Correct 82 ms 48980 KB Output is correct
54 Correct 76 ms 48156 KB Output is correct
55 Correct 76 ms 47948 KB Output is correct
56 Correct 95 ms 47696 KB Output is correct
57 Correct 427 ms 83576 KB Output is correct
58 Correct 372 ms 74876 KB Output is correct
59 Correct 334 ms 74912 KB Output is correct
60 Correct 391 ms 78828 KB Output is correct
61 Correct 381 ms 78672 KB Output is correct
62 Correct 171 ms 64336 KB Output is correct
63 Correct 210 ms 68428 KB Output is correct
64 Correct 193 ms 65792 KB Output is correct
65 Correct 119 ms 58960 KB Output is correct