답안 #73680

# 제출 시각 아이디 문제 언어 결과 실행 시간 메모리
73680 2018-08-28T17:17:00 Z aquablitz11 고대 책들 (IOI17_books) C++14
50 / 100
329 ms 12396 KB
#include <bits/stdc++.h>
#include "books.h"
using namespace std;

using ll = long long;
using pii = pair<int, int>;
using pll = pair<ll, ll>;
using plpii = pair<ll, pii>;

const int N = 1e6+10;
const ll INF = 1e9;

int qs[N];

ll minimum_walk(vector<int> p, int s)
{
    int n = p.size();
    bool ok = true;
    for (int i = 0; i < n; ++i) if (p[i] != i) {
        ok = false;
        break;
    }
    if (ok) return 0;
    ll dist = 0;
    for (int i = 0; i < n; ++i) {
        if (p[i] == -1) continue;
        if (p[i] == i) continue;
        int u = i;
        while (p[u] != -1) {
            int v = p[u];
            dist += abs(u-v);
            p[u] = -1;
            qs[min(u, v)] += 1;
            qs[max(u, v)] -= 1;
            u = v;
        }
    }
    int last = -1;
    if (p[s] == s) {
        int mn = INF;
        for (int i = 0; i < n; ++i) {
            if (p[i] == -1)
                mn = min(mn, abs(i-s));
        }
        dist += 2*mn;
    }
    for (int i = 0; i < n; ++i) {
        if (i > 0) qs[i] += qs[i-1];
        if (last != -1 && p[i] == -1) {
            dist += 2*(i-last);
            last = -1;
        }
        if (qs[i] == 0 && p[i] == -1)
            last = i;
    }

    return dist;
}
# 결과 실행 시간 메모리 Grader output
1 Correct 2 ms 376 KB Output is correct
2 Correct 3 ms 376 KB Output is correct
3 Correct 3 ms 436 KB Output is correct
4 Correct 2 ms 436 KB Output is correct
5 Correct 2 ms 492 KB Output is correct
6 Correct 2 ms 492 KB Output is correct
7 Correct 2 ms 492 KB Output is correct
8 Correct 3 ms 492 KB Output is correct
9 Correct 2 ms 492 KB Output is correct
10 Correct 2 ms 492 KB Output is correct
11 Correct 2 ms 492 KB Output is correct
12 Correct 2 ms 492 KB Output is correct
13 Correct 2 ms 492 KB Output is correct
14 Correct 2 ms 492 KB Output is correct
15 Correct 2 ms 492 KB Output is correct
16 Correct 2 ms 492 KB Output is correct
17 Correct 3 ms 492 KB Output is correct
18 Correct 3 ms 580 KB Output is correct
# 결과 실행 시간 메모리 Grader output
1 Correct 2 ms 376 KB Output is correct
2 Correct 3 ms 376 KB Output is correct
3 Correct 3 ms 436 KB Output is correct
4 Correct 2 ms 436 KB Output is correct
5 Correct 2 ms 492 KB Output is correct
6 Correct 2 ms 492 KB Output is correct
7 Correct 2 ms 492 KB Output is correct
8 Correct 3 ms 492 KB Output is correct
9 Correct 2 ms 492 KB Output is correct
10 Correct 2 ms 492 KB Output is correct
11 Correct 2 ms 492 KB Output is correct
12 Correct 2 ms 492 KB Output is correct
13 Correct 2 ms 492 KB Output is correct
14 Correct 2 ms 492 KB Output is correct
15 Correct 2 ms 492 KB Output is correct
16 Correct 2 ms 492 KB Output is correct
17 Correct 3 ms 492 KB Output is correct
18 Correct 3 ms 580 KB Output is correct
19 Correct 3 ms 580 KB Output is correct
20 Correct 2 ms 580 KB Output is correct
21 Correct 2 ms 580 KB Output is correct
22 Correct 2 ms 620 KB Output is correct
23 Correct 3 ms 620 KB Output is correct
24 Correct 2 ms 620 KB Output is correct
25 Correct 2 ms 620 KB Output is correct
26 Correct 3 ms 620 KB Output is correct
27 Correct 4 ms 620 KB Output is correct
28 Correct 2 ms 620 KB Output is correct
29 Correct 3 ms 620 KB Output is correct
# 결과 실행 시간 메모리 Grader output
1 Correct 2 ms 376 KB Output is correct
2 Correct 3 ms 376 KB Output is correct
3 Correct 3 ms 436 KB Output is correct
4 Correct 2 ms 436 KB Output is correct
5 Correct 2 ms 492 KB Output is correct
6 Correct 2 ms 492 KB Output is correct
7 Correct 2 ms 492 KB Output is correct
8 Correct 3 ms 492 KB Output is correct
9 Correct 2 ms 492 KB Output is correct
10 Correct 2 ms 492 KB Output is correct
11 Correct 2 ms 492 KB Output is correct
12 Correct 2 ms 492 KB Output is correct
13 Correct 2 ms 492 KB Output is correct
14 Correct 2 ms 492 KB Output is correct
15 Correct 2 ms 492 KB Output is correct
16 Correct 2 ms 492 KB Output is correct
17 Correct 3 ms 492 KB Output is correct
18 Correct 3 ms 580 KB Output is correct
19 Correct 3 ms 580 KB Output is correct
20 Correct 2 ms 580 KB Output is correct
21 Correct 2 ms 580 KB Output is correct
22 Correct 2 ms 620 KB Output is correct
23 Correct 3 ms 620 KB Output is correct
24 Correct 2 ms 620 KB Output is correct
25 Correct 2 ms 620 KB Output is correct
26 Correct 3 ms 620 KB Output is correct
27 Correct 4 ms 620 KB Output is correct
28 Correct 2 ms 620 KB Output is correct
29 Correct 3 ms 620 KB Output is correct
30 Correct 329 ms 12268 KB Output is correct
31 Correct 312 ms 12336 KB Output is correct
32 Correct 154 ms 12336 KB Output is correct
33 Correct 153 ms 12336 KB Output is correct
34 Correct 200 ms 12336 KB Output is correct
35 Correct 191 ms 12344 KB Output is correct
36 Correct 188 ms 12344 KB Output is correct
37 Correct 163 ms 12352 KB Output is correct
38 Correct 168 ms 12352 KB Output is correct
39 Correct 177 ms 12352 KB Output is correct
40 Correct 199 ms 12352 KB Output is correct
41 Correct 284 ms 12352 KB Output is correct
42 Correct 240 ms 12396 KB Output is correct
43 Correct 169 ms 12396 KB Output is correct
# 결과 실행 시간 메모리 Grader output
1 Incorrect 3 ms 12396 KB 3rd lines differ - on the 1st token, expected: '3304', found: '2744'
2 Halted 0 ms 0 KB -
# 결과 실행 시간 메모리 Grader output
1 Correct 2 ms 376 KB Output is correct
2 Correct 3 ms 376 KB Output is correct
3 Correct 3 ms 436 KB Output is correct
4 Correct 2 ms 436 KB Output is correct
5 Correct 2 ms 492 KB Output is correct
6 Correct 2 ms 492 KB Output is correct
7 Correct 2 ms 492 KB Output is correct
8 Correct 3 ms 492 KB Output is correct
9 Correct 2 ms 492 KB Output is correct
10 Correct 2 ms 492 KB Output is correct
11 Correct 2 ms 492 KB Output is correct
12 Correct 2 ms 492 KB Output is correct
13 Correct 2 ms 492 KB Output is correct
14 Correct 2 ms 492 KB Output is correct
15 Correct 2 ms 492 KB Output is correct
16 Correct 2 ms 492 KB Output is correct
17 Correct 3 ms 492 KB Output is correct
18 Correct 3 ms 580 KB Output is correct
19 Correct 3 ms 580 KB Output is correct
20 Correct 2 ms 580 KB Output is correct
21 Correct 2 ms 580 KB Output is correct
22 Correct 2 ms 620 KB Output is correct
23 Correct 3 ms 620 KB Output is correct
24 Correct 2 ms 620 KB Output is correct
25 Correct 2 ms 620 KB Output is correct
26 Correct 3 ms 620 KB Output is correct
27 Correct 4 ms 620 KB Output is correct
28 Correct 2 ms 620 KB Output is correct
29 Correct 3 ms 620 KB Output is correct
30 Correct 329 ms 12268 KB Output is correct
31 Correct 312 ms 12336 KB Output is correct
32 Correct 154 ms 12336 KB Output is correct
33 Correct 153 ms 12336 KB Output is correct
34 Correct 200 ms 12336 KB Output is correct
35 Correct 191 ms 12344 KB Output is correct
36 Correct 188 ms 12344 KB Output is correct
37 Correct 163 ms 12352 KB Output is correct
38 Correct 168 ms 12352 KB Output is correct
39 Correct 177 ms 12352 KB Output is correct
40 Correct 199 ms 12352 KB Output is correct
41 Correct 284 ms 12352 KB Output is correct
42 Correct 240 ms 12396 KB Output is correct
43 Correct 169 ms 12396 KB Output is correct
44 Incorrect 3 ms 12396 KB 3rd lines differ - on the 1st token, expected: '3304', found: '2744'
45 Halted 0 ms 0 KB -