답안 #598723

#	제출 시각	아이디	문제	언어	결과	실행 시간	메모리
598723	2022-07-18T19:43:59 Z	piOOE	Rope (JOI17_rope)	C++17	45 / 100	2500 ms	3840 KB

rope

#include <bits/stdc++.h>

using namespace std;

using ll = long long;

const int N = 100000, M = 10;

int a[N], ans[M];
int pref[2][2][N], suf[2][2][N]; // {first or second, left or right}

int main() {
  ios::sync_with_stdio(false);
  cin.tie(nullptr);
  memset(ans, 0x3f, sizeof(ans));
  int n, m;
  cin >> n >> m;
  for (int i = 0; i < n; ++i) {
    cin >> a[i];
    --a[i];
  }
  for (int c1 = 0; c1 < m; ++c1) {
    for (int c2 = 0; c2 < m; ++c2) {
      int c[2] = {c1, c2};

      pref[0][0][0] = pref[0][1][0] = a[0] != c[0];
      pref[1][0][0] = pref[1][1][0] = a[0] != c[1];
      for (int i = 1; i < n; ++i) {
        pref[1][1][i] = (a[i] != c[1]) + pref[1][0][i - 1];
        pref[1][0][i] = (a[i] != c[1]) + min(pref[1][1][i - 1], pref[0][0][i - 1]);
        pref[0][1][i] = (a[i] != c[0]) + min(pref[0][0][i - 1], pref[1][1][i - 1]);
        pref[0][0][i] = (a[i] != c[0]) + pref[0][1][i - 1];
      }

      suf[0][0][n - 1] = suf[0][1][n - 1] = a[n - 1] != c[0];
      suf[1][0][n - 1] = suf[1][1][n - 1] = a[n - 1] != c[1];
      for (int i = n - 2; i > -1; --i) {
        suf[1][1][i] = (a[i] != c[1]) + suf[1][0][i + 1];
        suf[1][0][i] = (a[i] != c[1]) + min(suf[1][1][i + 1], suf[0][0][i + 1]);
        suf[0][1][i] = (a[i] != c[0]) + min(suf[0][0][i + 1], suf[1][1][i + 1]);
        suf[0][0][i] = (a[i] != c[0]) + suf[0][1][i + 1];
      }

      for (int i = 0; i < n - 1; ++i) {
        int now = pref[0][0][i] + suf[1][1][i + 1];
        ans[c1] = min(ans[c1], now);
        ans[c2] = min(ans[c2], now);
      }
    }
  }
  for (int i = 0; i < m; ++i) {
    cout << ans[i] << "\n";
  }
  return 0;
}

Subtask #1
15.0 / 15.0

#	결과	실행 시간	메모리	Grader output
1	Correct	0 ms	340 KB	Output is correct
2	Correct	0 ms	340 KB	Output is correct
3	Correct	0 ms	340 KB	Output is correct
4	Correct	1 ms	340 KB	Output is correct
5	Correct	0 ms	340 KB	Output is correct
6	Correct	0 ms	340 KB	Output is correct
7	Correct	0 ms	340 KB	Output is correct
8	Correct	0 ms	340 KB	Output is correct
9	Correct	0 ms	340 KB	Output is correct
10	Correct	0 ms	340 KB	Output is correct
11	Correct	0 ms	340 KB	Output is correct
12	Correct	0 ms	340 KB	Output is correct
13	Correct	0 ms	340 KB	Output is correct
14	Correct	1 ms	340 KB	Output is correct
15	Correct	0 ms	340 KB	Output is correct
16	Correct	0 ms	340 KB	Output is correct
17	Correct	0 ms	340 KB	Output is correct
18	Correct	0 ms	340 KB	Output is correct
19	Correct	0 ms	340 KB	Output is correct
20	Correct	0 ms	340 KB	Output is correct
21	Correct	0 ms	340 KB	Output is correct
22	Correct	0 ms	340 KB	Output is correct
23	Correct	1 ms	340 KB	Output is correct
24	Correct	1 ms	340 KB	Output is correct
25	Correct	0 ms	340 KB	Output is correct
26	Correct	0 ms	340 KB	Output is correct

Subtask #2
30.0 / 30.0

#	결과	실행 시간	메모리	Grader output
1	Correct	0 ms	340 KB	Output is correct
2	Correct	0 ms	340 KB	Output is correct
3	Correct	0 ms	340 KB	Output is correct
4	Correct	1 ms	340 KB	Output is correct
5	Correct	0 ms	340 KB	Output is correct
6	Correct	0 ms	340 KB	Output is correct
7	Correct	0 ms	340 KB	Output is correct
8	Correct	0 ms	340 KB	Output is correct
9	Correct	0 ms	340 KB	Output is correct
10	Correct	0 ms	340 KB	Output is correct
11	Correct	0 ms	340 KB	Output is correct
12	Correct	0 ms	340 KB	Output is correct
13	Correct	0 ms	340 KB	Output is correct
14	Correct	1 ms	340 KB	Output is correct
15	Correct	0 ms	340 KB	Output is correct
16	Correct	0 ms	340 KB	Output is correct
17	Correct	0 ms	340 KB	Output is correct
18	Correct	0 ms	340 KB	Output is correct
19	Correct	0 ms	340 KB	Output is correct
20	Correct	0 ms	340 KB	Output is correct
21	Correct	0 ms	340 KB	Output is correct
22	Correct	0 ms	340 KB	Output is correct
23	Correct	1 ms	340 KB	Output is correct
24	Correct	1 ms	340 KB	Output is correct
25	Correct	0 ms	340 KB	Output is correct
26	Correct	0 ms	340 KB	Output is correct
27	Correct	120 ms	3840 KB	Output is correct
28	Correct	27 ms	3796 KB	Output is correct
29	Correct	99 ms	3824 KB	Output is correct
30	Correct	41 ms	3820 KB	Output is correct
31	Correct	122 ms	3796 KB	Output is correct
32	Correct	27 ms	3836 KB	Output is correct
33	Correct	100 ms	3820 KB	Output is correct
34	Correct	38 ms	3796 KB	Output is correct

Subtask #3
0 / 10.0

#	결과	실행 시간	메모리	Grader output
1	Correct	0 ms	340 KB	Output is correct
2	Correct	0 ms	340 KB	Output is correct
3	Correct	0 ms	340 KB	Output is correct
4	Correct	1 ms	340 KB	Output is correct
5	Correct	0 ms	340 KB	Output is correct
6	Correct	0 ms	340 KB	Output is correct
7	Correct	0 ms	340 KB	Output is correct
8	Correct	0 ms	340 KB	Output is correct
9	Correct	0 ms	340 KB	Output is correct
10	Correct	0 ms	340 KB	Output is correct
11	Correct	0 ms	340 KB	Output is correct
12	Correct	0 ms	340 KB	Output is correct
13	Correct	0 ms	340 KB	Output is correct
14	Correct	1 ms	340 KB	Output is correct
15	Correct	0 ms	340 KB	Output is correct
16	Correct	0 ms	340 KB	Output is correct
17	Correct	0 ms	340 KB	Output is correct
18	Correct	0 ms	340 KB	Output is correct
19	Correct	0 ms	340 KB	Output is correct
20	Correct	0 ms	340 KB	Output is correct
21	Correct	0 ms	340 KB	Output is correct
22	Correct	0 ms	340 KB	Output is correct
23	Correct	1 ms	340 KB	Output is correct
24	Correct	1 ms	340 KB	Output is correct
25	Correct	0 ms	340 KB	Output is correct
26	Correct	0 ms	340 KB	Output is correct
27	Correct	120 ms	3840 KB	Output is correct
28	Correct	27 ms	3796 KB	Output is correct
29	Correct	99 ms	3824 KB	Output is correct
30	Correct	41 ms	3820 KB	Output is correct
31	Correct	122 ms	3796 KB	Output is correct
32	Correct	27 ms	3836 KB	Output is correct
33	Correct	100 ms	3820 KB	Output is correct
34	Correct	38 ms	3796 KB	Output is correct
35	Execution timed out	2575 ms	3724 KB	Time limit exceeded
36	Halted	0 ms	0 KB	-

Subtask #4
0 / 25.0

#	결과	실행 시간	메모리	Grader output
1	Correct	0 ms	340 KB	Output is correct
2	Correct	0 ms	340 KB	Output is correct
3	Correct	0 ms	340 KB	Output is correct
4	Correct	1 ms	340 KB	Output is correct
5	Correct	0 ms	340 KB	Output is correct
6	Correct	0 ms	340 KB	Output is correct
7	Correct	0 ms	340 KB	Output is correct
8	Correct	0 ms	340 KB	Output is correct
9	Correct	0 ms	340 KB	Output is correct
10	Correct	0 ms	340 KB	Output is correct
11	Correct	0 ms	340 KB	Output is correct
12	Correct	0 ms	340 KB	Output is correct
13	Correct	0 ms	340 KB	Output is correct
14	Correct	1 ms	340 KB	Output is correct
15	Correct	0 ms	340 KB	Output is correct
16	Correct	0 ms	340 KB	Output is correct
17	Correct	0 ms	340 KB	Output is correct
18	Correct	0 ms	340 KB	Output is correct
19	Correct	0 ms	340 KB	Output is correct
20	Correct	0 ms	340 KB	Output is correct
21	Correct	0 ms	340 KB	Output is correct
22	Correct	0 ms	340 KB	Output is correct
23	Correct	1 ms	340 KB	Output is correct
24	Correct	1 ms	340 KB	Output is correct
25	Correct	0 ms	340 KB	Output is correct
26	Correct	0 ms	340 KB	Output is correct
27	Correct	120 ms	3840 KB	Output is correct
28	Correct	27 ms	3796 KB	Output is correct
29	Correct	99 ms	3824 KB	Output is correct
30	Correct	41 ms	3820 KB	Output is correct
31	Correct	122 ms	3796 KB	Output is correct
32	Correct	27 ms	3836 KB	Output is correct
33	Correct	100 ms	3820 KB	Output is correct
34	Correct	38 ms	3796 KB	Output is correct
35	Execution timed out	2575 ms	3724 KB	Time limit exceeded
36	Halted	0 ms	0 KB	-

Subtask #5
0 / 20.0

#	결과	실행 시간	메모리	Grader output
1	Correct	0 ms	340 KB	Output is correct
2	Correct	0 ms	340 KB	Output is correct
3	Correct	0 ms	340 KB	Output is correct
4	Correct	1 ms	340 KB	Output is correct
5	Correct	0 ms	340 KB	Output is correct
6	Correct	0 ms	340 KB	Output is correct
7	Correct	0 ms	340 KB	Output is correct
8	Correct	0 ms	340 KB	Output is correct
9	Correct	0 ms	340 KB	Output is correct
10	Correct	0 ms	340 KB	Output is correct
11	Correct	0 ms	340 KB	Output is correct
12	Correct	0 ms	340 KB	Output is correct
13	Correct	0 ms	340 KB	Output is correct
14	Correct	1 ms	340 KB	Output is correct
15	Correct	0 ms	340 KB	Output is correct
16	Correct	0 ms	340 KB	Output is correct
17	Correct	0 ms	340 KB	Output is correct
18	Correct	0 ms	340 KB	Output is correct
19	Correct	0 ms	340 KB	Output is correct
20	Correct	0 ms	340 KB	Output is correct
21	Correct	0 ms	340 KB	Output is correct
22	Correct	0 ms	340 KB	Output is correct
23	Correct	1 ms	340 KB	Output is correct
24	Correct	1 ms	340 KB	Output is correct
25	Correct	0 ms	340 KB	Output is correct
26	Correct	0 ms	340 KB	Output is correct
27	Correct	120 ms	3840 KB	Output is correct
28	Correct	27 ms	3796 KB	Output is correct
29	Correct	99 ms	3824 KB	Output is correct
30	Correct	41 ms	3820 KB	Output is correct
31	Correct	122 ms	3796 KB	Output is correct
32	Correct	27 ms	3836 KB	Output is correct
33	Correct	100 ms	3820 KB	Output is correct
34	Correct	38 ms	3796 KB	Output is correct
35	Execution timed out	2575 ms	3724 KB	Time limit exceeded
36	Halted	0 ms	0 KB	-

답안 #598723

Compilation message

Subtask #1 15.0 / 15.0

Subtask #2 30.0 / 30.0

Subtask #3 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
0 / 10.0

Subtask #4
0 / 25.0

Subtask #5
0 / 20.0