oj.uz

Submission #758177

# Submission time Handle Problem Language Result Execution time Memory
758177 2023-06-14T08:44:35 Z PixelCat Rope (JOI17_rope) C++14
80 / 100
 2500 ms 155788 KB 
#include <bits/stdc++.h>
#define For(i, a, b) for(int i = a; i <= b; i++)
#define Forr(i, a, b) for(int i = a; i >= b; i--)
#define F first
#define S second
#define all(x) x.begin(), x.end()
#define sz(x) ((int)x.size())
#define eb emplace_back
#define int LL
#define INF (int)(1e18)
using namespace std;
using LL = long long;
using pii = pair<int, int>;

void chmin(int &x, int a) {
    x = min(x, a);
}
void chmax(int &x, int a) {
    x = max(x, a);
}

const int MAXN = 1000010;

int ans[MAXN];
int cnt1[MAXN];

struct Ayaya {
    int a[MAXN];
    multiset<int> st;
    void init(int n) {
        memset(a, 0, sizeof(a));
        st.clear();
        For(i, 1, n) st.insert(0);
    }
    void upd(int i, int x) {
        st.erase(st.find(a[i]));
        a[i] = x;
        st.insert(a[i]);
    }
    void add(int i, int x) {
        upd(i, a[i] + x);
    }
    int min() {
        return *st.begin();
    }
} aya;

vector<int> vv[MAXN];
void solve(int n, int m, vector<pii> v2, vector<int> v1) {
    memset(cnt1, 0, sizeof(cnt1));
    For(i, 1, m) vv[i].clear();
    for(auto &i:v2) {
        cnt1[i.F]++;
        cnt1[i.S]++;
        vv[i.F].eb(i.S);
        vv[i.S].eb(i.F);
    }
    aya.init(m);
    For(c2, 1, m) aya.upd(c2, n - cnt1[c2]);

    For(c1, 1, m) {
        int add = 0;
        for(auto &p:vv[c1]) aya.add(p, 1);
        for(auto &i:v1) {
            aya.add(i, -1);
            add -= (i == c1);
        }
        aya.add(c1, INF);
        chmin(ans[c1], aya.min() - cnt1[c1] + add);
        aya.add(c1, -INF);
        for(auto &i:v1) aya.add(i, 1);
        for(auto &p:vv[c1]) aya.add(p, -1);

        chmin(ans[c1], n - cnt1[c1] + add);
    }
}

int32_t main() {
    ios::sync_with_stdio(false);
    cin.tie(0);
    // =^-w-^=
    int n, m; cin >> n >> m;
    vector<int> a(n);
    for(auto &i:a) cin >> i;

    For(i, 1, m) {
        ans[i] = INF;
    }

    if(n % 2) {
        For(_, 0, 1) {
            vector<pii> v2;
            for(int i = 1; i < n; i += 2) {
                v2.eb(pii(a[i - 1], a[i]));
            }
            solve(n, m, v2, { a.back() });
            reverse(all(a));
        }
    } else {
        vector<pii> v2;
        for(int i = 1; i < n; i += 2) {
            v2.eb(pii(a[i - 1], a[i]));
        }
        solve(n, m, v2, {});

        v2.clear();
        for(int i = 2; i < n; i += 2) {
            v2.eb(pii(a[i - 1], a[i]));
        }
        solve(n, m, v2, { a.front(), a.back() });
    }

    For(i, 1, m) cout << ans[i] << "\n";
    return 0;
}

Subtask #1
15.0 / 15.0

# Verdict Execution time Memory Grader output
1 Correct 21 ms 39380 KB Output is correct
2 Correct 20 ms 39392 KB Output is correct
3 Correct 21 ms 39432 KB Output is correct
4 Correct 21 ms 39464 KB Output is correct
5 Correct 23 ms 39396 KB Output is correct
6 Correct 21 ms 39380 KB Output is correct
7 Correct 21 ms 39388 KB Output is correct
8 Correct 20 ms 39464 KB Output is correct
9 Correct 21 ms 39472 KB Output is correct
10 Correct 22 ms 39380 KB Output is correct
11 Correct 23 ms 39444 KB Output is correct
12 Correct 23 ms 39380 KB Output is correct
13 Correct 20 ms 39380 KB Output is correct
14 Correct 22 ms 39444 KB Output is correct
15 Correct 21 ms 39508 KB Output is correct
16 Correct 21 ms 39460 KB Output is correct
17 Correct 21 ms 39380 KB Output is correct
18 Correct 25 ms 39360 KB Output is correct
19 Correct 22 ms 39368 KB Output is correct
20 Correct 21 ms 39464 KB Output is correct
21 Correct 21 ms 39388 KB Output is correct
22 Correct 22 ms 39380 KB Output is correct
23 Correct 20 ms 39380 KB Output is correct
24 Correct 20 ms 39380 KB Output is correct
25 Correct 21 ms 39388 KB Output is correct
26 Correct 20 ms 39384 KB Output is correct

Subtask #2
30.0 / 30.0

# Verdict Execution time Memory Grader output
1 Correct 21 ms 39380 KB Output is correct
2 Correct 20 ms 39392 KB Output is correct
3 Correct 21 ms 39432 KB Output is correct
4 Correct 21 ms 39464 KB Output is correct
5 Correct 23 ms 39396 KB Output is correct
6 Correct 21 ms 39380 KB Output is correct
7 Correct 21 ms 39388 KB Output is correct
8 Correct 20 ms 39464 KB Output is correct
9 Correct 21 ms 39472 KB Output is correct
10 Correct 22 ms 39380 KB Output is correct
11 Correct 23 ms 39444 KB Output is correct
12 Correct 23 ms 39380 KB Output is correct
13 Correct 20 ms 39380 KB Output is correct
14 Correct 22 ms 39444 KB Output is correct
15 Correct 21 ms 39508 KB Output is correct
16 Correct 21 ms 39460 KB Output is correct
17 Correct 21 ms 39380 KB Output is correct
18 Correct 25 ms 39360 KB Output is correct
19 Correct 22 ms 39368 KB Output is correct
20 Correct 21 ms 39464 KB Output is correct
21 Correct 21 ms 39388 KB Output is correct
22 Correct 22 ms 39380 KB Output is correct
23 Correct 20 ms 39380 KB Output is correct
24 Correct 20 ms 39380 KB Output is correct
25 Correct 21 ms 39388 KB Output is correct
26 Correct 20 ms 39384 KB Output is correct
27 Correct 54 ms 43088 KB Output is correct
28 Correct 48 ms 42952 KB Output is correct
29 Correct 55 ms 43772 KB Output is correct
30 Correct 50 ms 43864 KB Output is correct
31 Correct 55 ms 43040 KB Output is correct
32 Correct 49 ms 43132 KB Output is correct
33 Correct 54 ms 43092 KB Output is correct
34 Correct 50 ms 43136 KB Output is correct

Subtask #3
10.0 / 10.0

# Verdict Execution time Memory Grader output
1 Correct 21 ms 39380 KB Output is correct
2 Correct 20 ms 39392 KB Output is correct
3 Correct 21 ms 39432 KB Output is correct
4 Correct 21 ms 39464 KB Output is correct
5 Correct 23 ms 39396 KB Output is correct
6 Correct 21 ms 39380 KB Output is correct
7 Correct 21 ms 39388 KB Output is correct
8 Correct 20 ms 39464 KB Output is correct
9 Correct 21 ms 39472 KB Output is correct
10 Correct 22 ms 39380 KB Output is correct
11 Correct 23 ms 39444 KB Output is correct
12 Correct 23 ms 39380 KB Output is correct
13 Correct 20 ms 39380 KB Output is correct
14 Correct 22 ms 39444 KB Output is correct
15 Correct 21 ms 39508 KB Output is correct
16 Correct 21 ms 39460 KB Output is correct
17 Correct 21 ms 39380 KB Output is correct
18 Correct 25 ms 39360 KB Output is correct
19 Correct 22 ms 39368 KB Output is correct
20 Correct 21 ms 39464 KB Output is correct
21 Correct 21 ms 39388 KB Output is correct
22 Correct 22 ms 39380 KB Output is correct
23 Correct 20 ms 39380 KB Output is correct
24 Correct 20 ms 39380 KB Output is correct
25 Correct 21 ms 39388 KB Output is correct
26 Correct 20 ms 39384 KB Output is correct
27 Correct 54 ms 43088 KB Output is correct
28 Correct 48 ms 42952 KB Output is correct
29 Correct 55 ms 43772 KB Output is correct
30 Correct 50 ms 43864 KB Output is correct
31 Correct 55 ms 43040 KB Output is correct
32 Correct 49 ms 43132 KB Output is correct
33 Correct 54 ms 43092 KB Output is correct
34 Correct 50 ms 43136 KB Output is correct
35 Correct 86 ms 42952 KB Output is correct
36 Correct 93 ms 42968 KB Output is correct
37 Correct 87 ms 43168 KB Output is correct
38 Correct 87 ms 43172 KB Output is correct
39 Correct 87 ms 43192 KB Output is correct
40 Correct 81 ms 43040 KB Output is correct
41 Correct 78 ms 43044 KB Output is correct
42 Correct 75 ms 42988 KB Output is correct
43 Correct 76 ms 43152 KB Output is correct
44 Correct 80 ms 43092 KB Output is correct
45 Correct 78 ms 43096 KB Output is correct
46 Correct 83 ms 43052 KB Output is correct
47 Correct 76 ms 43080 KB Output is correct

Subtask #4
25.0 / 25.0

# Verdict Execution time Memory Grader output
1 Correct 21 ms 39380 KB Output is correct
2 Correct 20 ms 39392 KB Output is correct
3 Correct 21 ms 39432 KB Output is correct
4 Correct 21 ms 39464 KB Output is correct
5 Correct 23 ms 39396 KB Output is correct
6 Correct 21 ms 39380 KB Output is correct
7 Correct 21 ms 39388 KB Output is correct
8 Correct 20 ms 39464 KB Output is correct
9 Correct 21 ms 39472 KB Output is correct
10 Correct 22 ms 39380 KB Output is correct
11 Correct 23 ms 39444 KB Output is correct
12 Correct 23 ms 39380 KB Output is correct
13 Correct 20 ms 39380 KB Output is correct
14 Correct 22 ms 39444 KB Output is correct
15 Correct 21 ms 39508 KB Output is correct
16 Correct 21 ms 39460 KB Output is correct
17 Correct 21 ms 39380 KB Output is correct
18 Correct 25 ms 39360 KB Output is correct
19 Correct 22 ms 39368 KB Output is correct
20 Correct 21 ms 39464 KB Output is correct
21 Correct 21 ms 39388 KB Output is correct
22 Correct 22 ms 39380 KB Output is correct
23 Correct 20 ms 39380 KB Output is correct
24 Correct 20 ms 39380 KB Output is correct
25 Correct 21 ms 39388 KB Output is correct
26 Correct 20 ms 39384 KB Output is correct
27 Correct 54 ms 43088 KB Output is correct
28 Correct 48 ms 42952 KB Output is correct
29 Correct 55 ms 43772 KB Output is correct
30 Correct 50 ms 43864 KB Output is correct
31 Correct 55 ms 43040 KB Output is correct
32 Correct 49 ms 43132 KB Output is correct
33 Correct 54 ms 43092 KB Output is correct
34 Correct 50 ms 43136 KB Output is correct
35 Correct 86 ms 42952 KB Output is correct
36 Correct 93 ms 42968 KB Output is correct
37 Correct 87 ms 43168 KB Output is correct
38 Correct 87 ms 43172 KB Output is correct
39 Correct 87 ms 43192 KB Output is correct
40 Correct 81 ms 43040 KB Output is correct
41 Correct 78 ms 43044 KB Output is correct
42 Correct 75 ms 42988 KB Output is correct
43 Correct 76 ms 43152 KB Output is correct
44 Correct 80 ms 43092 KB Output is correct
45 Correct 78 ms 43096 KB Output is correct
46 Correct 83 ms 43052 KB Output is correct
47 Correct 76 ms 43080 KB Output is correct
48 Correct 1008 ms 76256 KB Output is correct
49 Correct 982 ms 80624 KB Output is correct
50 Correct 1014 ms 81076 KB Output is correct
51 Correct 810 ms 80844 KB Output is correct
52 Correct 760 ms 77856 KB Output is correct
53 Correct 771 ms 79100 KB Output is correct
54 Correct 692 ms 77076 KB Output is correct
55 Correct 740 ms 76772 KB Output is correct
56 Correct 650 ms 76184 KB Output is correct

Subtask #5
0 / 20.0

# Verdict Execution time Memory Grader output
1 Correct 21 ms 39380 KB Output is correct
2 Correct 20 ms 39392 KB Output is correct
3 Correct 21 ms 39432 KB Output is correct
4 Correct 21 ms 39464 KB Output is correct
5 Correct 23 ms 39396 KB Output is correct
6 Correct 21 ms 39380 KB Output is correct
7 Correct 21 ms 39388 KB Output is correct
8 Correct 20 ms 39464 KB Output is correct
9 Correct 21 ms 39472 KB Output is correct
10 Correct 22 ms 39380 KB Output is correct
11 Correct 23 ms 39444 KB Output is correct
12 Correct 23 ms 39380 KB Output is correct
13 Correct 20 ms 39380 KB Output is correct
14 Correct 22 ms 39444 KB Output is correct
15 Correct 21 ms 39508 KB Output is correct
16 Correct 21 ms 39460 KB Output is correct
17 Correct 21 ms 39380 KB Output is correct
18 Correct 25 ms 39360 KB Output is correct
19 Correct 22 ms 39368 KB Output is correct
20 Correct 21 ms 39464 KB Output is correct
21 Correct 21 ms 39388 KB Output is correct
22 Correct 22 ms 39380 KB Output is correct
23 Correct 20 ms 39380 KB Output is correct
24 Correct 20 ms 39380 KB Output is correct
25 Correct 21 ms 39388 KB Output is correct
26 Correct 20 ms 39384 KB Output is correct
27 Correct 54 ms 43088 KB Output is correct
28 Correct 48 ms 42952 KB Output is correct
29 Correct 55 ms 43772 KB Output is correct
30 Correct 50 ms 43864 KB Output is correct
31 Correct 55 ms 43040 KB Output is correct
32 Correct 49 ms 43132 KB Output is correct
33 Correct 54 ms 43092 KB Output is correct
34 Correct 50 ms 43136 KB Output is correct
35 Correct 86 ms 42952 KB Output is correct
36 Correct 93 ms 42968 KB Output is correct
37 Correct 87 ms 43168 KB Output is correct
38 Correct 87 ms 43172 KB Output is correct
39 Correct 87 ms 43192 KB Output is correct
40 Correct 81 ms 43040 KB Output is correct
41 Correct 78 ms 43044 KB Output is correct
42 Correct 75 ms 42988 KB Output is correct
43 Correct 76 ms 43152 KB Output is correct
44 Correct 80 ms 43092 KB Output is correct
45 Correct 78 ms 43096 KB Output is correct
46 Correct 83 ms 43052 KB Output is correct
47 Correct 76 ms 43080 KB Output is correct
48 Correct 1008 ms 76256 KB Output is correct
49 Correct 982 ms 80624 KB Output is correct
50 Correct 1014 ms 81076 KB Output is correct
51 Correct 810 ms 80844 KB Output is correct
52 Correct 760 ms 77856 KB Output is correct
53 Correct 771 ms 79100 KB Output is correct
54 Correct 692 ms 77076 KB Output is correct
55 Correct 740 ms 76772 KB Output is correct
56 Correct 650 ms 76184 KB Output is correct
57 Execution timed out 2525 ms 155788 KB Time limit exceeded
58 Halted 0 ms 0 KB -