답안 #1073865

#	제출 시각	아이디	문제	언어	결과	실행 시간	메모리
1073865	2024-08-25T00:33:34 Z	ArthuroWich	고대 책들 (IOI17_books)	C++17	50 / 100	106 ms	29892 KB

books

#include "books.h"
#include<bits/stdc++.h>
using namespace std;
int minl, maxr;
vector<int> pref, f1, f2, dp;
long long minimum_walk(vector<int> p, int s) {
    long long int ans = 0, n = p.size();
    pref.resize(n+1, 0);
    f1.resize(n, 0);
    f2.resize(n, 0);
    minl = INT_MAX;
    maxr = 0;
    for (int i = 0; i < n; i++) {
        ans += abs(i-p[i]);
    }
    vector<pair<int, int>> cycles;
    vector<int> vis(n, 0);
    for (int i = 0; i < n; i++) {
        if (p[i] == i || vis[i]) {
            continue;
        }
        int a = i, l = i, r = i;
        vis[i] = 1;
        a = p[i];
        vis[a] = 1;
        l = min(l, a);
        r = max(r, a);
        while(a != i) {
            a = p[a];
            vis[a] = 1;
            l = min(l, a);
            r = max(r, a);
        }
        minl = min(minl, l);
        maxr = max(maxr, r);
        cycles.push_back({min(l, r), max(l, r)});
    }
    for (auto [i, j] : cycles) {
        pref[i] += 1;
        pref[j] -= 1; 
    }
    for (int i = 1; i < n; i++) {
        pref[i] += pref[i-1];
    }
    f1[s] = 1;
    for (int i = 0; i < n; i++) {
        if (pref[i] > 0) {
            f1[i] = 1;
        }
        if (i > 0) {
            f1[i] |= f1[i-1];
        }
    }
    for (int i = n-1; i >= 0; i--) {
        if (pref[i] > 0) {
            f2[i] = 1;
        }
        if (i < n-1) {
            f2[i] |= f2[i+1];
        }
    }
    for (int i = n-1; i >= 0; i--) {
        if (f1[i] && f2[i] && pref[i] == 0) {
            ans += 2;
        }
    }
    return ans;
}

Subtask #1

12.0 / 12.0

#	결과	실행 시간	메모리	Grader output
1	Correct	1 ms	344 KB	Output is correct
2	Correct	1 ms	348 KB	Output is correct
3	Correct	0 ms	348 KB	Output is correct
4	Correct	0 ms	348 KB	Output is correct
5	Correct	0 ms	348 KB	Output is correct
6	Correct	1 ms	348 KB	Output is correct
7	Correct	0 ms	348 KB	Output is correct
8	Correct	0 ms	348 KB	Output is correct
9	Correct	0 ms	348 KB	Output is correct
10	Correct	0 ms	348 KB	Output is correct
11	Correct	0 ms	348 KB	Output is correct
12	Correct	0 ms	348 KB	Output is correct
13	Correct	1 ms	348 KB	Output is correct
14	Correct	0 ms	348 KB	Output is correct
15	Correct	0 ms	348 KB	Output is correct
16	Correct	0 ms	344 KB	Output is correct
17	Correct	0 ms	348 KB	Output is correct
18	Correct	0 ms	348 KB	Output is correct

Subtask #2

10.0 / 10.0

#	결과	실행 시간	메모리	Grader output
1	Correct	1 ms	344 KB	Output is correct
2	Correct	1 ms	348 KB	Output is correct
3	Correct	0 ms	348 KB	Output is correct
4	Correct	0 ms	348 KB	Output is correct
5	Correct	0 ms	348 KB	Output is correct
6	Correct	1 ms	348 KB	Output is correct
7	Correct	0 ms	348 KB	Output is correct
8	Correct	0 ms	348 KB	Output is correct
9	Correct	0 ms	348 KB	Output is correct
10	Correct	0 ms	348 KB	Output is correct
11	Correct	0 ms	348 KB	Output is correct
12	Correct	0 ms	348 KB	Output is correct
13	Correct	1 ms	348 KB	Output is correct
14	Correct	0 ms	348 KB	Output is correct
15	Correct	0 ms	348 KB	Output is correct
16	Correct	0 ms	344 KB	Output is correct
17	Correct	0 ms	348 KB	Output is correct
18	Correct	0 ms	348 KB	Output is correct
19	Correct	1 ms	348 KB	Output is correct
20	Correct	0 ms	348 KB	Output is correct
21	Correct	0 ms	348 KB	Output is correct
22	Correct	1 ms	348 KB	Output is correct
23	Correct	0 ms	348 KB	Output is correct
24	Correct	0 ms	348 KB	Output is correct
25	Correct	1 ms	348 KB	Output is correct
26	Correct	0 ms	348 KB	Output is correct
27	Correct	0 ms	348 KB	Output is correct
28	Correct	0 ms	348 KB	Output is correct
29	Correct	1 ms	348 KB	Output is correct

Subtask #3

28.0 / 28.0

#	결과	실행 시간	메모리	Grader output
1	Correct	1 ms	344 KB	Output is correct
2	Correct	1 ms	348 KB	Output is correct
3	Correct	0 ms	348 KB	Output is correct
4	Correct	0 ms	348 KB	Output is correct
5	Correct	0 ms	348 KB	Output is correct
6	Correct	1 ms	348 KB	Output is correct
7	Correct	0 ms	348 KB	Output is correct
8	Correct	0 ms	348 KB	Output is correct
9	Correct	0 ms	348 KB	Output is correct
10	Correct	0 ms	348 KB	Output is correct
11	Correct	0 ms	348 KB	Output is correct
12	Correct	0 ms	348 KB	Output is correct
13	Correct	1 ms	348 KB	Output is correct
14	Correct	0 ms	348 KB	Output is correct
15	Correct	0 ms	348 KB	Output is correct
16	Correct	0 ms	344 KB	Output is correct
17	Correct	0 ms	348 KB	Output is correct
18	Correct	0 ms	348 KB	Output is correct
19	Correct	1 ms	348 KB	Output is correct
20	Correct	0 ms	348 KB	Output is correct
21	Correct	0 ms	348 KB	Output is correct
22	Correct	1 ms	348 KB	Output is correct
23	Correct	0 ms	348 KB	Output is correct
24	Correct	0 ms	348 KB	Output is correct
25	Correct	1 ms	348 KB	Output is correct
26	Correct	0 ms	348 KB	Output is correct
27	Correct	0 ms	348 KB	Output is correct
28	Correct	0 ms	348 KB	Output is correct
29	Correct	1 ms	348 KB	Output is correct
30	Correct	106 ms	27472 KB	Output is correct
31	Correct	94 ms	27472 KB	Output is correct
32	Correct	83 ms	27248 KB	Output is correct
33	Correct	92 ms	29892 KB	Output is correct
34	Correct	88 ms	29640 KB	Output is correct
35	Correct	92 ms	29484 KB	Output is correct
36	Correct	89 ms	29572 KB	Output is correct
37	Correct	80 ms	27736 KB	Output is correct
38	Correct	84 ms	27476 KB	Output is correct
39	Correct	76 ms	27376 KB	Output is correct
40	Correct	82 ms	27476 KB	Output is correct
41	Correct	91 ms	27252 KB	Output is correct
42	Correct	88 ms	27472 KB	Output is correct
43	Correct	80 ms	29640 KB	Output is correct

Subtask #4

0 / 20.0

#	결과	실행 시간	메모리	Grader output
1	Incorrect	0 ms	344 KB	3rd lines differ - on the 1st token, expected: '3304', found: '2744'
2	Halted	0 ms	0 KB	-

Subtask #5

0 / 30.0

#	결과	실행 시간	메모리	Grader output
1	Correct	1 ms	344 KB	Output is correct
2	Correct	1 ms	348 KB	Output is correct
3	Correct	0 ms	348 KB	Output is correct
4	Correct	0 ms	348 KB	Output is correct
5	Correct	0 ms	348 KB	Output is correct
6	Correct	1 ms	348 KB	Output is correct
7	Correct	0 ms	348 KB	Output is correct
8	Correct	0 ms	348 KB	Output is correct
9	Correct	0 ms	348 KB	Output is correct
10	Correct	0 ms	348 KB	Output is correct
11	Correct	0 ms	348 KB	Output is correct
12	Correct	0 ms	348 KB	Output is correct
13	Correct	1 ms	348 KB	Output is correct
14	Correct	0 ms	348 KB	Output is correct
15	Correct	0 ms	348 KB	Output is correct
16	Correct	0 ms	344 KB	Output is correct
17	Correct	0 ms	348 KB	Output is correct
18	Correct	0 ms	348 KB	Output is correct
19	Correct	1 ms	348 KB	Output is correct
20	Correct	0 ms	348 KB	Output is correct
21	Correct	0 ms	348 KB	Output is correct
22	Correct	1 ms	348 KB	Output is correct
23	Correct	0 ms	348 KB	Output is correct
24	Correct	0 ms	348 KB	Output is correct
25	Correct	1 ms	348 KB	Output is correct
26	Correct	0 ms	348 KB	Output is correct
27	Correct	0 ms	348 KB	Output is correct
28	Correct	0 ms	348 KB	Output is correct
29	Correct	1 ms	348 KB	Output is correct
30	Correct	106 ms	27472 KB	Output is correct
31	Correct	94 ms	27472 KB	Output is correct
32	Correct	83 ms	27248 KB	Output is correct
33	Correct	92 ms	29892 KB	Output is correct
34	Correct	88 ms	29640 KB	Output is correct
35	Correct	92 ms	29484 KB	Output is correct
36	Correct	89 ms	29572 KB	Output is correct
37	Correct	80 ms	27736 KB	Output is correct
38	Correct	84 ms	27476 KB	Output is correct
39	Correct	76 ms	27376 KB	Output is correct
40	Correct	82 ms	27476 KB	Output is correct
41	Correct	91 ms	27252 KB	Output is correct
42	Correct	88 ms	27472 KB	Output is correct
43	Correct	80 ms	29640 KB	Output is correct
44	Incorrect	0 ms	344 KB	3rd lines differ - on the 1st token, expected: '3304', found: '2744'
45	Halted	0 ms	0 KB	-