답안 #758128

#	제출 시각	아이디	문제	언어	결과	실행 시간	메모리
758128	2023-06-14T08:00:28 Z	PixelCat	Rope (JOI17_rope)	C++14	55 / 100	1115 ms	262144 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] + 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	8080 KB	Output is correct
3	Correct	4 ms	8148 KB	Output is correct
4	Correct	4 ms	8148 KB	Output is correct
5	Correct	6 ms	8148 KB	Output is correct
6	Correct	5 ms	8148 KB	Output is correct
7	Correct	4 ms	8148 KB	Output is correct
8	Correct	5 ms	8036 KB	Output is correct
9	Correct	5 ms	8020 KB	Output is correct
10	Correct	5 ms	8148 KB	Output is correct
11	Correct	5 ms	8148 KB	Output is correct
12	Correct	5 ms	8152 KB	Output is correct
13	Correct	4 ms	8148 KB	Output is correct
14	Correct	5 ms	8148 KB	Output is correct
15	Correct	5 ms	8148 KB	Output is correct
16	Correct	5 ms	8128 KB	Output is correct
17	Correct	4 ms	8152 KB	Output is correct
18	Correct	4 ms	8148 KB	Output is correct
19	Correct	4 ms	8148 KB	Output is correct
20	Correct	5 ms	8148 KB	Output is correct
21	Correct	5 ms	8148 KB	Output is correct
22	Correct	5 ms	8148 KB	Output is correct
23	Correct	5 ms	8148 KB	Output is correct
24	Correct	4 ms	8148 KB	Output is correct
25	Correct	5 ms	8148 KB	Output is correct
26	Correct	4 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	8080 KB	Output is correct
3	Correct	4 ms	8148 KB	Output is correct
4	Correct	4 ms	8148 KB	Output is correct
5	Correct	6 ms	8148 KB	Output is correct
6	Correct	5 ms	8148 KB	Output is correct
7	Correct	4 ms	8148 KB	Output is correct
8	Correct	5 ms	8036 KB	Output is correct
9	Correct	5 ms	8020 KB	Output is correct
10	Correct	5 ms	8148 KB	Output is correct
11	Correct	5 ms	8148 KB	Output is correct
12	Correct	5 ms	8152 KB	Output is correct
13	Correct	4 ms	8148 KB	Output is correct
14	Correct	5 ms	8148 KB	Output is correct
15	Correct	5 ms	8148 KB	Output is correct
16	Correct	5 ms	8128 KB	Output is correct
17	Correct	4 ms	8152 KB	Output is correct
18	Correct	4 ms	8148 KB	Output is correct
19	Correct	4 ms	8148 KB	Output is correct
20	Correct	5 ms	8148 KB	Output is correct
21	Correct	5 ms	8148 KB	Output is correct
22	Correct	5 ms	8148 KB	Output is correct
23	Correct	5 ms	8148 KB	Output is correct
24	Correct	4 ms	8148 KB	Output is correct
25	Correct	5 ms	8148 KB	Output is correct
26	Correct	4 ms	8148 KB	Output is correct
27	Correct	16 ms	10808 KB	Output is correct
28	Correct	14 ms	10828 KB	Output is correct
29	Correct	19 ms	10928 KB	Output is correct
30	Correct	17 ms	10928 KB	Output is correct
31	Correct	18 ms	10796 KB	Output is correct
32	Correct	15 ms	10832 KB	Output is correct
33	Correct	17 ms	10872 KB	Output is correct
34	Correct	15 ms	10928 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	8080 KB	Output is correct
3	Correct	4 ms	8148 KB	Output is correct
4	Correct	4 ms	8148 KB	Output is correct
5	Correct	6 ms	8148 KB	Output is correct
6	Correct	5 ms	8148 KB	Output is correct
7	Correct	4 ms	8148 KB	Output is correct
8	Correct	5 ms	8036 KB	Output is correct
9	Correct	5 ms	8020 KB	Output is correct
10	Correct	5 ms	8148 KB	Output is correct
11	Correct	5 ms	8148 KB	Output is correct
12	Correct	5 ms	8152 KB	Output is correct
13	Correct	4 ms	8148 KB	Output is correct
14	Correct	5 ms	8148 KB	Output is correct
15	Correct	5 ms	8148 KB	Output is correct
16	Correct	5 ms	8128 KB	Output is correct
17	Correct	4 ms	8152 KB	Output is correct
18	Correct	4 ms	8148 KB	Output is correct
19	Correct	4 ms	8148 KB	Output is correct
20	Correct	5 ms	8148 KB	Output is correct
21	Correct	5 ms	8148 KB	Output is correct
22	Correct	5 ms	8148 KB	Output is correct
23	Correct	5 ms	8148 KB	Output is correct
24	Correct	4 ms	8148 KB	Output is correct
25	Correct	5 ms	8148 KB	Output is correct
26	Correct	4 ms	8148 KB	Output is correct
27	Correct	16 ms	10808 KB	Output is correct
28	Correct	14 ms	10828 KB	Output is correct
29	Correct	19 ms	10928 KB	Output is correct
30	Correct	17 ms	10928 KB	Output is correct
31	Correct	18 ms	10796 KB	Output is correct
32	Correct	15 ms	10832 KB	Output is correct
33	Correct	17 ms	10872 KB	Output is correct
34	Correct	15 ms	10928 KB	Output is correct
35	Correct	84 ms	18632 KB	Output is correct
36	Correct	87 ms	18604 KB	Output is correct
37	Correct	87 ms	18304 KB	Output is correct
38	Correct	99 ms	18464 KB	Output is correct
39	Correct	84 ms	18856 KB	Output is correct
40	Correct	82 ms	18652 KB	Output is correct
41	Correct	72 ms	18688 KB	Output is correct
42	Correct	72 ms	15856 KB	Output is correct
43	Correct	43 ms	13568 KB	Output is correct
44	Correct	73 ms	18632 KB	Output is correct
45	Correct	73 ms	18692 KB	Output is correct
46	Correct	58 ms	15872 KB	Output is correct
47	Correct	40 ms	13672 KB	Output is correct

Subtask #4
0 / 25.0

#	결과	실행 시간	메모리	Grader output
1	Correct	5 ms	8148 KB	Output is correct
2	Correct	5 ms	8080 KB	Output is correct
3	Correct	4 ms	8148 KB	Output is correct
4	Correct	4 ms	8148 KB	Output is correct
5	Correct	6 ms	8148 KB	Output is correct
6	Correct	5 ms	8148 KB	Output is correct
7	Correct	4 ms	8148 KB	Output is correct
8	Correct	5 ms	8036 KB	Output is correct
9	Correct	5 ms	8020 KB	Output is correct
10	Correct	5 ms	8148 KB	Output is correct
11	Correct	5 ms	8148 KB	Output is correct
12	Correct	5 ms	8152 KB	Output is correct
13	Correct	4 ms	8148 KB	Output is correct
14	Correct	5 ms	8148 KB	Output is correct
15	Correct	5 ms	8148 KB	Output is correct
16	Correct	5 ms	8128 KB	Output is correct
17	Correct	4 ms	8152 KB	Output is correct
18	Correct	4 ms	8148 KB	Output is correct
19	Correct	4 ms	8148 KB	Output is correct
20	Correct	5 ms	8148 KB	Output is correct
21	Correct	5 ms	8148 KB	Output is correct
22	Correct	5 ms	8148 KB	Output is correct
23	Correct	5 ms	8148 KB	Output is correct
24	Correct	4 ms	8148 KB	Output is correct
25	Correct	5 ms	8148 KB	Output is correct
26	Correct	4 ms	8148 KB	Output is correct
27	Correct	16 ms	10808 KB	Output is correct
28	Correct	14 ms	10828 KB	Output is correct
29	Correct	19 ms	10928 KB	Output is correct
30	Correct	17 ms	10928 KB	Output is correct
31	Correct	18 ms	10796 KB	Output is correct
32	Correct	15 ms	10832 KB	Output is correct
33	Correct	17 ms	10872 KB	Output is correct
34	Correct	15 ms	10928 KB	Output is correct
35	Correct	84 ms	18632 KB	Output is correct
36	Correct	87 ms	18604 KB	Output is correct
37	Correct	87 ms	18304 KB	Output is correct
38	Correct	99 ms	18464 KB	Output is correct
39	Correct	84 ms	18856 KB	Output is correct
40	Correct	82 ms	18652 KB	Output is correct
41	Correct	72 ms	18688 KB	Output is correct
42	Correct	72 ms	15856 KB	Output is correct
43	Correct	43 ms	13568 KB	Output is correct
44	Correct	73 ms	18632 KB	Output is correct
45	Correct	73 ms	18692 KB	Output is correct
46	Correct	58 ms	15872 KB	Output is correct
47	Correct	40 ms	13672 KB	Output is correct
48	Runtime error	1115 ms	262144 KB	Execution killed with signal 9
49	Halted	0 ms	0 KB	-

Subtask #5
0 / 20.0

#	결과	실행 시간	메모리	Grader output
1	Correct	5 ms	8148 KB	Output is correct
2	Correct	5 ms	8080 KB	Output is correct
3	Correct	4 ms	8148 KB	Output is correct
4	Correct	4 ms	8148 KB	Output is correct
5	Correct	6 ms	8148 KB	Output is correct
6	Correct	5 ms	8148 KB	Output is correct
7	Correct	4 ms	8148 KB	Output is correct
8	Correct	5 ms	8036 KB	Output is correct
9	Correct	5 ms	8020 KB	Output is correct
10	Correct	5 ms	8148 KB	Output is correct
11	Correct	5 ms	8148 KB	Output is correct
12	Correct	5 ms	8152 KB	Output is correct
13	Correct	4 ms	8148 KB	Output is correct
14	Correct	5 ms	8148 KB	Output is correct
15	Correct	5 ms	8148 KB	Output is correct
16	Correct	5 ms	8128 KB	Output is correct
17	Correct	4 ms	8152 KB	Output is correct
18	Correct	4 ms	8148 KB	Output is correct
19	Correct	4 ms	8148 KB	Output is correct
20	Correct	5 ms	8148 KB	Output is correct
21	Correct	5 ms	8148 KB	Output is correct
22	Correct	5 ms	8148 KB	Output is correct
23	Correct	5 ms	8148 KB	Output is correct
24	Correct	4 ms	8148 KB	Output is correct
25	Correct	5 ms	8148 KB	Output is correct
26	Correct	4 ms	8148 KB	Output is correct
27	Correct	16 ms	10808 KB	Output is correct
28	Correct	14 ms	10828 KB	Output is correct
29	Correct	19 ms	10928 KB	Output is correct
30	Correct	17 ms	10928 KB	Output is correct
31	Correct	18 ms	10796 KB	Output is correct
32	Correct	15 ms	10832 KB	Output is correct
33	Correct	17 ms	10872 KB	Output is correct
34	Correct	15 ms	10928 KB	Output is correct
35	Correct	84 ms	18632 KB	Output is correct
36	Correct	87 ms	18604 KB	Output is correct
37	Correct	87 ms	18304 KB	Output is correct
38	Correct	99 ms	18464 KB	Output is correct
39	Correct	84 ms	18856 KB	Output is correct
40	Correct	82 ms	18652 KB	Output is correct
41	Correct	72 ms	18688 KB	Output is correct
42	Correct	72 ms	15856 KB	Output is correct
43	Correct	43 ms	13568 KB	Output is correct
44	Correct	73 ms	18632 KB	Output is correct
45	Correct	73 ms	18692 KB	Output is correct
46	Correct	58 ms	15872 KB	Output is correct
47	Correct	40 ms	13672 KB	Output is correct
48	Runtime error	1115 ms	262144 KB	Execution killed with signal 9
49	Halted	0 ms	0 KB	-

답안 #758128

Compilation message

Subtask #1 15.0 / 15.0

Subtask #2 30.0 / 30.0

Subtask #3 10.0 / 10.0

Subtask #4 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
0 / 25.0

Subtask #5
0 / 20.0