답안 #73695

# 제출 시각 아이디 문제 언어 결과 실행 시간 메모리
73695 2018-08-28T17:41:44 Z aquablitz11 고대 책들 (IOI17_books) C++14
50 / 100
292 ms 12464 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 mn = INF;
    int last = -1;
    p[s] = -1;
    for (int i = 0; i < n; ++i) {
        if (i > 0) qs[i] += qs[i-1];
        if (last != -1 && p[i] == -1) {
            if (last <= s && s <= i)
                mn = 0;
            dist += 2*(i-last);
            last = -1;
        }
        if (qs[i] == 0 && p[i] == -1) {
            last = i;
        }
        if (qs[i] == 0 && (i == 0 || qs[i-1] > 0))
            mn = min(mn, abs(s-i));
        if (qs[i] > 0 && (i == 0 || qs[i-1] == 0))
            mn = min(mn, abs(s-i));
    }
    dist += 2*mn;

    return dist;
}
# 결과 실행 시간 메모리 Grader output
1 Correct 3 ms 248 KB Output is correct
2 Correct 2 ms 356 KB Output is correct
3 Correct 2 ms 356 KB Output is correct
4 Correct 3 ms 432 KB Output is correct
5 Correct 2 ms 432 KB Output is correct
6 Correct 2 ms 516 KB Output is correct
7 Correct 2 ms 516 KB Output is correct
8 Correct 2 ms 516 KB Output is correct
9 Correct 2 ms 560 KB Output is correct
10 Correct 2 ms 560 KB Output is correct
11 Correct 2 ms 560 KB Output is correct
12 Correct 2 ms 560 KB Output is correct
13 Correct 2 ms 560 KB Output is correct
14 Correct 2 ms 560 KB Output is correct
15 Correct 3 ms 560 KB Output is correct
16 Correct 2 ms 560 KB Output is correct
17 Correct 2 ms 560 KB Output is correct
18 Correct 2 ms 560 KB Output is correct
# 결과 실행 시간 메모리 Grader output
1 Correct 3 ms 248 KB Output is correct
2 Correct 2 ms 356 KB Output is correct
3 Correct 2 ms 356 KB Output is correct
4 Correct 3 ms 432 KB Output is correct
5 Correct 2 ms 432 KB Output is correct
6 Correct 2 ms 516 KB Output is correct
7 Correct 2 ms 516 KB Output is correct
8 Correct 2 ms 516 KB Output is correct
9 Correct 2 ms 560 KB Output is correct
10 Correct 2 ms 560 KB Output is correct
11 Correct 2 ms 560 KB Output is correct
12 Correct 2 ms 560 KB Output is correct
13 Correct 2 ms 560 KB Output is correct
14 Correct 2 ms 560 KB Output is correct
15 Correct 3 ms 560 KB Output is correct
16 Correct 2 ms 560 KB Output is correct
17 Correct 2 ms 560 KB Output is correct
18 Correct 2 ms 560 KB Output is correct
19 Correct 2 ms 612 KB Output is correct
20 Correct 2 ms 612 KB Output is correct
21 Correct 3 ms 612 KB Output is correct
22 Correct 2 ms 612 KB Output is correct
23 Correct 2 ms 612 KB Output is correct
24 Correct 2 ms 612 KB Output is correct
25 Correct 3 ms 612 KB Output is correct
26 Correct 2 ms 612 KB Output is correct
27 Correct 3 ms 612 KB Output is correct
28 Correct 2 ms 612 KB Output is correct
29 Correct 3 ms 612 KB Output is correct
# 결과 실행 시간 메모리 Grader output
1 Correct 3 ms 248 KB Output is correct
2 Correct 2 ms 356 KB Output is correct
3 Correct 2 ms 356 KB Output is correct
4 Correct 3 ms 432 KB Output is correct
5 Correct 2 ms 432 KB Output is correct
6 Correct 2 ms 516 KB Output is correct
7 Correct 2 ms 516 KB Output is correct
8 Correct 2 ms 516 KB Output is correct
9 Correct 2 ms 560 KB Output is correct
10 Correct 2 ms 560 KB Output is correct
11 Correct 2 ms 560 KB Output is correct
12 Correct 2 ms 560 KB Output is correct
13 Correct 2 ms 560 KB Output is correct
14 Correct 2 ms 560 KB Output is correct
15 Correct 3 ms 560 KB Output is correct
16 Correct 2 ms 560 KB Output is correct
17 Correct 2 ms 560 KB Output is correct
18 Correct 2 ms 560 KB Output is correct
19 Correct 2 ms 612 KB Output is correct
20 Correct 2 ms 612 KB Output is correct
21 Correct 3 ms 612 KB Output is correct
22 Correct 2 ms 612 KB Output is correct
23 Correct 2 ms 612 KB Output is correct
24 Correct 2 ms 612 KB Output is correct
25 Correct 3 ms 612 KB Output is correct
26 Correct 2 ms 612 KB Output is correct
27 Correct 3 ms 612 KB Output is correct
28 Correct 2 ms 612 KB Output is correct
29 Correct 3 ms 612 KB Output is correct
30 Correct 292 ms 12260 KB Output is correct
31 Correct 280 ms 12388 KB Output is correct
32 Correct 144 ms 12388 KB Output is correct
33 Correct 206 ms 12388 KB Output is correct
34 Correct 165 ms 12388 KB Output is correct
35 Correct 193 ms 12448 KB Output is correct
36 Correct 203 ms 12448 KB Output is correct
37 Correct 164 ms 12448 KB Output is correct
38 Correct 168 ms 12448 KB Output is correct
39 Correct 183 ms 12464 KB Output is correct
40 Correct 187 ms 12464 KB Output is correct
41 Correct 264 ms 12464 KB Output is correct
42 Correct 233 ms 12464 KB Output is correct
43 Correct 173 ms 12464 KB Output is correct
# 결과 실행 시간 메모리 Grader output
1 Incorrect 3 ms 12464 KB 3rd lines differ - on the 1st token, expected: '3304', found: '3594'
2 Halted 0 ms 0 KB -
# 결과 실행 시간 메모리 Grader output
1 Correct 3 ms 248 KB Output is correct
2 Correct 2 ms 356 KB Output is correct
3 Correct 2 ms 356 KB Output is correct
4 Correct 3 ms 432 KB Output is correct
5 Correct 2 ms 432 KB Output is correct
6 Correct 2 ms 516 KB Output is correct
7 Correct 2 ms 516 KB Output is correct
8 Correct 2 ms 516 KB Output is correct
9 Correct 2 ms 560 KB Output is correct
10 Correct 2 ms 560 KB Output is correct
11 Correct 2 ms 560 KB Output is correct
12 Correct 2 ms 560 KB Output is correct
13 Correct 2 ms 560 KB Output is correct
14 Correct 2 ms 560 KB Output is correct
15 Correct 3 ms 560 KB Output is correct
16 Correct 2 ms 560 KB Output is correct
17 Correct 2 ms 560 KB Output is correct
18 Correct 2 ms 560 KB Output is correct
19 Correct 2 ms 612 KB Output is correct
20 Correct 2 ms 612 KB Output is correct
21 Correct 3 ms 612 KB Output is correct
22 Correct 2 ms 612 KB Output is correct
23 Correct 2 ms 612 KB Output is correct
24 Correct 2 ms 612 KB Output is correct
25 Correct 3 ms 612 KB Output is correct
26 Correct 2 ms 612 KB Output is correct
27 Correct 3 ms 612 KB Output is correct
28 Correct 2 ms 612 KB Output is correct
29 Correct 3 ms 612 KB Output is correct
30 Correct 292 ms 12260 KB Output is correct
31 Correct 280 ms 12388 KB Output is correct
32 Correct 144 ms 12388 KB Output is correct
33 Correct 206 ms 12388 KB Output is correct
34 Correct 165 ms 12388 KB Output is correct
35 Correct 193 ms 12448 KB Output is correct
36 Correct 203 ms 12448 KB Output is correct
37 Correct 164 ms 12448 KB Output is correct
38 Correct 168 ms 12448 KB Output is correct
39 Correct 183 ms 12464 KB Output is correct
40 Correct 187 ms 12464 KB Output is correct
41 Correct 264 ms 12464 KB Output is correct
42 Correct 233 ms 12464 KB Output is correct
43 Correct 173 ms 12464 KB Output is correct
44 Incorrect 3 ms 12464 KB 3rd lines differ - on the 1st token, expected: '3304', found: '3594'
45 Halted 0 ms 0 KB -