답안 #758131

#	제출 시각	아이디	문제	언어	결과	실행 시간	메모리
758131	2023-06-14T08:02:03 Z	PixelCat	Rope (JOI17_rope)	C++14	80 / 100	2500 ms	77496 KB

rope

#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];

void solve(int n, int m, vector<pii> v2, vector<int> v1) {
    for(auto &i:v2) {
        if(i.F > i.S) swap(i.F, i.S);
    }  // i.F <= i.S

    memset(cnt1, 0, sizeof(cnt1));
    map<pii, int> cnt2;
    for(auto &i:v2) {
        cnt1[i.F]++;
        cnt1[i.S]++;
        cnt2[i]++;
    }

    For(c1, 1, m) {
        For(c2, c1 + 1, m) {
            int cost = n - cnt1[c1] - cnt1[c2];
            if(cnt2.count(pii(c1, c2))) cost += cnt2[pii(c1, c2)];
            for(auto &i:v1) {
                cost -= max(i == c1, i == c2);
            }
            chmin(ans[c1], cost);
            chmin(ans[c2], cost);
        }
        int cost = n - cnt1[c1];
        for(auto &i:v1) cost -= (i == c1);
        chmin(ans[c1], cost);
    }
}

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

#	결과	실행 시간	메모리	Grader output
1	Correct	5 ms	8148 KB	Output is correct
2	Correct	5 ms	8148 KB	Output is correct
3	Correct	4 ms	8148 KB	Output is correct
4	Correct	4 ms	8148 KB	Output is correct
5	Correct	5 ms	8148 KB	Output is correct
6	Correct	5 ms	8148 KB	Output is correct
7	Correct	5 ms	8076 KB	Output is correct
8	Correct	5 ms	8148 KB	Output is correct
9	Correct	5 ms	8148 KB	Output is correct
10	Correct	5 ms	8032 KB	Output is correct
11	Correct	5 ms	8028 KB	Output is correct
12	Correct	5 ms	8148 KB	Output is correct
13	Correct	4 ms	8148 KB	Output is correct
14	Correct	4 ms	8148 KB	Output is correct
15	Correct	4 ms	8148 KB	Output is correct
16	Correct	4 ms	8148 KB	Output is correct
17	Correct	4 ms	8148 KB	Output is correct
18	Correct	5 ms	8148 KB	Output is correct
19	Correct	5 ms	8148 KB	Output is correct
20	Correct	5 ms	8148 KB	Output is correct
21	Correct	4 ms	8152 KB	Output is correct
22	Correct	4 ms	8148 KB	Output is correct
23	Correct	5 ms	8152 KB	Output is correct
24	Correct	5 ms	8148 KB	Output is correct
25	Correct	5 ms	8128 KB	Output is correct
26	Correct	5 ms	8148 KB	Output is correct

Subtask #2
30.0 / 30.0

#	결과	실행 시간	메모리	Grader output
1	Correct	5 ms	8148 KB	Output is correct
2	Correct	5 ms	8148 KB	Output is correct
3	Correct	4 ms	8148 KB	Output is correct
4	Correct	4 ms	8148 KB	Output is correct
5	Correct	5 ms	8148 KB	Output is correct
6	Correct	5 ms	8148 KB	Output is correct
7	Correct	5 ms	8076 KB	Output is correct
8	Correct	5 ms	8148 KB	Output is correct
9	Correct	5 ms	8148 KB	Output is correct
10	Correct	5 ms	8032 KB	Output is correct
11	Correct	5 ms	8028 KB	Output is correct
12	Correct	5 ms	8148 KB	Output is correct
13	Correct	4 ms	8148 KB	Output is correct
14	Correct	4 ms	8148 KB	Output is correct
15	Correct	4 ms	8148 KB	Output is correct
16	Correct	4 ms	8148 KB	Output is correct
17	Correct	4 ms	8148 KB	Output is correct
18	Correct	5 ms	8148 KB	Output is correct
19	Correct	5 ms	8148 KB	Output is correct
20	Correct	5 ms	8148 KB	Output is correct
21	Correct	4 ms	8152 KB	Output is correct
22	Correct	4 ms	8148 KB	Output is correct
23	Correct	5 ms	8152 KB	Output is correct
24	Correct	5 ms	8148 KB	Output is correct
25	Correct	5 ms	8128 KB	Output is correct
26	Correct	5 ms	8148 KB	Output is correct
27	Correct	22 ms	10592 KB	Output is correct
28	Correct	18 ms	10576 KB	Output is correct
29	Correct	16 ms	10672 KB	Output is correct
30	Correct	16 ms	10720 KB	Output is correct
31	Correct	19 ms	10576 KB	Output is correct
32	Correct	14 ms	10576 KB	Output is correct
33	Correct	17 ms	10684 KB	Output is correct
34	Correct	16 ms	10672 KB	Output is correct

Subtask #3
10.0 / 10.0

#	결과	실행 시간	메모리	Grader output
1	Correct	5 ms	8148 KB	Output is correct
2	Correct	5 ms	8148 KB	Output is correct
3	Correct	4 ms	8148 KB	Output is correct
4	Correct	4 ms	8148 KB	Output is correct
5	Correct	5 ms	8148 KB	Output is correct
6	Correct	5 ms	8148 KB	Output is correct
7	Correct	5 ms	8076 KB	Output is correct
8	Correct	5 ms	8148 KB	Output is correct
9	Correct	5 ms	8148 KB	Output is correct
10	Correct	5 ms	8032 KB	Output is correct
11	Correct	5 ms	8028 KB	Output is correct
12	Correct	5 ms	8148 KB	Output is correct
13	Correct	4 ms	8148 KB	Output is correct
14	Correct	4 ms	8148 KB	Output is correct
15	Correct	4 ms	8148 KB	Output is correct
16	Correct	4 ms	8148 KB	Output is correct
17	Correct	4 ms	8148 KB	Output is correct
18	Correct	5 ms	8148 KB	Output is correct
19	Correct	5 ms	8148 KB	Output is correct
20	Correct	5 ms	8148 KB	Output is correct
21	Correct	4 ms	8152 KB	Output is correct
22	Correct	4 ms	8148 KB	Output is correct
23	Correct	5 ms	8152 KB	Output is correct
24	Correct	5 ms	8148 KB	Output is correct
25	Correct	5 ms	8128 KB	Output is correct
26	Correct	5 ms	8148 KB	Output is correct
27	Correct	22 ms	10592 KB	Output is correct
28	Correct	18 ms	10576 KB	Output is correct
29	Correct	16 ms	10672 KB	Output is correct
30	Correct	16 ms	10720 KB	Output is correct
31	Correct	19 ms	10576 KB	Output is correct
32	Correct	14 ms	10576 KB	Output is correct
33	Correct	17 ms	10684 KB	Output is correct
34	Correct	16 ms	10672 KB	Output is correct
35	Correct	71 ms	13084 KB	Output is correct
36	Correct	71 ms	13012 KB	Output is correct
37	Correct	59 ms	13008 KB	Output is correct
38	Correct	70 ms	13068 KB	Output is correct
39	Correct	71 ms	13008 KB	Output is correct
40	Correct	46 ms	11904 KB	Output is correct
41	Correct	45 ms	11856 KB	Output is correct
42	Correct	36 ms	11524 KB	Output is correct
43	Correct	37 ms	11536 KB	Output is correct
44	Correct	43 ms	11920 KB	Output is correct
45	Correct	46 ms	11856 KB	Output is correct
46	Correct	40 ms	11632 KB	Output is correct
47	Correct	37 ms	11480 KB	Output is correct

Subtask #4
25.0 / 25.0

#	결과	실행 시간	메모리	Grader output
1	Correct	5 ms	8148 KB	Output is correct
2	Correct	5 ms	8148 KB	Output is correct
3	Correct	4 ms	8148 KB	Output is correct
4	Correct	4 ms	8148 KB	Output is correct
5	Correct	5 ms	8148 KB	Output is correct
6	Correct	5 ms	8148 KB	Output is correct
7	Correct	5 ms	8076 KB	Output is correct
8	Correct	5 ms	8148 KB	Output is correct
9	Correct	5 ms	8148 KB	Output is correct
10	Correct	5 ms	8032 KB	Output is correct
11	Correct	5 ms	8028 KB	Output is correct
12	Correct	5 ms	8148 KB	Output is correct
13	Correct	4 ms	8148 KB	Output is correct
14	Correct	4 ms	8148 KB	Output is correct
15	Correct	4 ms	8148 KB	Output is correct
16	Correct	4 ms	8148 KB	Output is correct
17	Correct	4 ms	8148 KB	Output is correct
18	Correct	5 ms	8148 KB	Output is correct
19	Correct	5 ms	8148 KB	Output is correct
20	Correct	5 ms	8148 KB	Output is correct
21	Correct	4 ms	8152 KB	Output is correct
22	Correct	4 ms	8148 KB	Output is correct
23	Correct	5 ms	8152 KB	Output is correct
24	Correct	5 ms	8148 KB	Output is correct
25	Correct	5 ms	8128 KB	Output is correct
26	Correct	5 ms	8148 KB	Output is correct
27	Correct	22 ms	10592 KB	Output is correct
28	Correct	18 ms	10576 KB	Output is correct
29	Correct	16 ms	10672 KB	Output is correct
30	Correct	16 ms	10720 KB	Output is correct
31	Correct	19 ms	10576 KB	Output is correct
32	Correct	14 ms	10576 KB	Output is correct
33	Correct	17 ms	10684 KB	Output is correct
34	Correct	16 ms	10672 KB	Output is correct
35	Correct	71 ms	13084 KB	Output is correct
36	Correct	71 ms	13012 KB	Output is correct
37	Correct	59 ms	13008 KB	Output is correct
38	Correct	70 ms	13068 KB	Output is correct
39	Correct	71 ms	13008 KB	Output is correct
40	Correct	46 ms	11904 KB	Output is correct
41	Correct	45 ms	11856 KB	Output is correct
42	Correct	36 ms	11524 KB	Output is correct
43	Correct	37 ms	11536 KB	Output is correct
44	Correct	43 ms	11920 KB	Output is correct
45	Correct	46 ms	11856 KB	Output is correct
46	Correct	40 ms	11632 KB	Output is correct
47	Correct	37 ms	11480 KB	Output is correct
48	Correct	1489 ms	65816 KB	Output is correct
49	Correct	1494 ms	65924 KB	Output is correct
50	Correct	1532 ms	66288 KB	Output is correct
51	Correct	1202 ms	61152 KB	Output is correct
52	Correct	926 ms	55248 KB	Output is correct
53	Correct	950 ms	52020 KB	Output is correct
54	Correct	788 ms	47788 KB	Output is correct
55	Correct	728 ms	47396 KB	Output is correct
56	Correct	835 ms	45644 KB	Output is correct

Subtask #5
0 / 20.0

#	결과	실행 시간	메모리	Grader output
1	Correct	5 ms	8148 KB	Output is correct
2	Correct	5 ms	8148 KB	Output is correct
3	Correct	4 ms	8148 KB	Output is correct
4	Correct	4 ms	8148 KB	Output is correct
5	Correct	5 ms	8148 KB	Output is correct
6	Correct	5 ms	8148 KB	Output is correct
7	Correct	5 ms	8076 KB	Output is correct
8	Correct	5 ms	8148 KB	Output is correct
9	Correct	5 ms	8148 KB	Output is correct
10	Correct	5 ms	8032 KB	Output is correct
11	Correct	5 ms	8028 KB	Output is correct
12	Correct	5 ms	8148 KB	Output is correct
13	Correct	4 ms	8148 KB	Output is correct
14	Correct	4 ms	8148 KB	Output is correct
15	Correct	4 ms	8148 KB	Output is correct
16	Correct	4 ms	8148 KB	Output is correct
17	Correct	4 ms	8148 KB	Output is correct
18	Correct	5 ms	8148 KB	Output is correct
19	Correct	5 ms	8148 KB	Output is correct
20	Correct	5 ms	8148 KB	Output is correct
21	Correct	4 ms	8152 KB	Output is correct
22	Correct	4 ms	8148 KB	Output is correct
23	Correct	5 ms	8152 KB	Output is correct
24	Correct	5 ms	8148 KB	Output is correct
25	Correct	5 ms	8128 KB	Output is correct
26	Correct	5 ms	8148 KB	Output is correct
27	Correct	22 ms	10592 KB	Output is correct
28	Correct	18 ms	10576 KB	Output is correct
29	Correct	16 ms	10672 KB	Output is correct
30	Correct	16 ms	10720 KB	Output is correct
31	Correct	19 ms	10576 KB	Output is correct
32	Correct	14 ms	10576 KB	Output is correct
33	Correct	17 ms	10684 KB	Output is correct
34	Correct	16 ms	10672 KB	Output is correct
35	Correct	71 ms	13084 KB	Output is correct
36	Correct	71 ms	13012 KB	Output is correct
37	Correct	59 ms	13008 KB	Output is correct
38	Correct	70 ms	13068 KB	Output is correct
39	Correct	71 ms	13008 KB	Output is correct
40	Correct	46 ms	11904 KB	Output is correct
41	Correct	45 ms	11856 KB	Output is correct
42	Correct	36 ms	11524 KB	Output is correct
43	Correct	37 ms	11536 KB	Output is correct
44	Correct	43 ms	11920 KB	Output is correct
45	Correct	46 ms	11856 KB	Output is correct
46	Correct	40 ms	11632 KB	Output is correct
47	Correct	37 ms	11480 KB	Output is correct
48	Correct	1489 ms	65816 KB	Output is correct
49	Correct	1494 ms	65924 KB	Output is correct
50	Correct	1532 ms	66288 KB	Output is correct
51	Correct	1202 ms	61152 KB	Output is correct
52	Correct	926 ms	55248 KB	Output is correct
53	Correct	950 ms	52020 KB	Output is correct
54	Correct	788 ms	47788 KB	Output is correct
55	Correct	728 ms	47396 KB	Output is correct
56	Correct	835 ms	45644 KB	Output is correct
57	Execution timed out	2531 ms	77496 KB	Time limit exceeded
58	Halted	0 ms	0 KB	-

답안 #758131

Compilation message

Subtask #1 15.0 / 15.0

Subtask #2 30.0 / 30.0

Subtask #3 10.0 / 10.0

Subtask #4 25.0 / 25.0

Subtask #5 0 / 20.0

Subtask #1
15.0 / 15.0

Subtask #2
30.0 / 30.0

Subtask #3
10.0 / 10.0

Subtask #4
25.0 / 25.0

Subtask #5
0 / 20.0