답안 #831740

# 제출 시각 아이디 문제 언어 결과 실행 시간 메모리
831740 2023-08-20T13:00:55 Z finn__ 고대 책들 (IOI17_books) C++17
50 / 100
95 ms 14864 KB
#include "books.h"
#include <bits/stdc++.h>
using namespace std;
using L = long long;

long long minimum_walk(std::vector<int> p, int s)
{
    size_t const n = p.size();
    L ans = 0;
    for (int i = 0; i < n; ++i)
        ans += abs(i - p[i]);

    int first_non_id = 0, last_non_id = n - 1;
    while (first_non_id < n && p[first_non_id] == first_non_id)
        ++first_non_id;
    while (last_non_id >= 0 && p[last_non_id] == last_non_id)
        --last_non_id;

    first_non_id = min(first_non_id, s);
    last_non_id = max(last_non_id, s);

    int component_end = 0;
    for (int i = first_non_id; i <= last_non_id; ++i)
    {
        component_end = max(component_end, max(i, p[i]));
        if (component_end == i)
            ans += 2;
    }

    return ans - 2;
}

Compilation message

books.cpp: In function 'long long int minimum_walk(std::vector<int>, int)':
books.cpp:10:23: warning: comparison of integer expressions of different signedness: 'int' and 'const size_t' {aka 'const long unsigned int'} [-Wsign-compare]
   10 |     for (int i = 0; i < n; ++i)
      |                     ~~^~~
books.cpp:14:25: warning: comparison of integer expressions of different signedness: 'int' and 'const size_t' {aka 'const long unsigned int'} [-Wsign-compare]
   14 |     while (first_non_id < n && p[first_non_id] == first_non_id)
      |            ~~~~~~~~~~~~~^~~
# 결과 실행 시간 메모리 Grader output
1 Correct 1 ms 212 KB Output is correct
2 Correct 1 ms 212 KB Output is correct
3 Correct 1 ms 212 KB Output is correct
4 Correct 0 ms 296 KB Output is correct
5 Correct 0 ms 212 KB Output is correct
6 Correct 0 ms 212 KB Output is correct
7 Correct 1 ms 212 KB Output is correct
8 Correct 0 ms 212 KB Output is correct
9 Correct 0 ms 212 KB Output is correct
10 Correct 0 ms 212 KB Output is correct
11 Correct 0 ms 212 KB Output is correct
12 Correct 0 ms 212 KB Output is correct
13 Correct 0 ms 212 KB Output is correct
14 Correct 0 ms 212 KB Output is correct
15 Correct 1 ms 212 KB Output is correct
16 Correct 1 ms 212 KB Output is correct
17 Correct 0 ms 212 KB Output is correct
18 Correct 0 ms 300 KB Output is correct
# 결과 실행 시간 메모리 Grader output
1 Correct 1 ms 212 KB Output is correct
2 Correct 1 ms 212 KB Output is correct
3 Correct 1 ms 212 KB Output is correct
4 Correct 0 ms 296 KB Output is correct
5 Correct 0 ms 212 KB Output is correct
6 Correct 0 ms 212 KB Output is correct
7 Correct 1 ms 212 KB Output is correct
8 Correct 0 ms 212 KB Output is correct
9 Correct 0 ms 212 KB Output is correct
10 Correct 0 ms 212 KB Output is correct
11 Correct 0 ms 212 KB Output is correct
12 Correct 0 ms 212 KB Output is correct
13 Correct 0 ms 212 KB Output is correct
14 Correct 0 ms 212 KB Output is correct
15 Correct 1 ms 212 KB Output is correct
16 Correct 1 ms 212 KB Output is correct
17 Correct 0 ms 212 KB Output is correct
18 Correct 0 ms 300 KB Output is correct
19 Correct 1 ms 212 KB Output is correct
20 Correct 0 ms 212 KB Output is correct
21 Correct 1 ms 212 KB Output is correct
22 Correct 0 ms 212 KB Output is correct
23 Correct 0 ms 212 KB Output is correct
24 Correct 1 ms 296 KB Output is correct
25 Correct 0 ms 212 KB Output is correct
26 Correct 1 ms 212 KB Output is correct
27 Correct 1 ms 296 KB Output is correct
28 Correct 1 ms 212 KB Output is correct
29 Correct 0 ms 212 KB Output is correct
# 결과 실행 시간 메모리 Grader output
1 Correct 1 ms 212 KB Output is correct
2 Correct 1 ms 212 KB Output is correct
3 Correct 1 ms 212 KB Output is correct
4 Correct 0 ms 296 KB Output is correct
5 Correct 0 ms 212 KB Output is correct
6 Correct 0 ms 212 KB Output is correct
7 Correct 1 ms 212 KB Output is correct
8 Correct 0 ms 212 KB Output is correct
9 Correct 0 ms 212 KB Output is correct
10 Correct 0 ms 212 KB Output is correct
11 Correct 0 ms 212 KB Output is correct
12 Correct 0 ms 212 KB Output is correct
13 Correct 0 ms 212 KB Output is correct
14 Correct 0 ms 212 KB Output is correct
15 Correct 1 ms 212 KB Output is correct
16 Correct 1 ms 212 KB Output is correct
17 Correct 0 ms 212 KB Output is correct
18 Correct 0 ms 300 KB Output is correct
19 Correct 1 ms 212 KB Output is correct
20 Correct 0 ms 212 KB Output is correct
21 Correct 1 ms 212 KB Output is correct
22 Correct 0 ms 212 KB Output is correct
23 Correct 0 ms 212 KB Output is correct
24 Correct 1 ms 296 KB Output is correct
25 Correct 0 ms 212 KB Output is correct
26 Correct 1 ms 212 KB Output is correct
27 Correct 1 ms 296 KB Output is correct
28 Correct 1 ms 212 KB Output is correct
29 Correct 0 ms 212 KB Output is correct
30 Correct 78 ms 14864 KB Output is correct
31 Correct 95 ms 14816 KB Output is correct
32 Correct 70 ms 14816 KB Output is correct
33 Correct 72 ms 14792 KB Output is correct
34 Correct 80 ms 14832 KB Output is correct
35 Correct 74 ms 14824 KB Output is correct
36 Correct 75 ms 14820 KB Output is correct
37 Correct 88 ms 14860 KB Output is correct
38 Correct 73 ms 14836 KB Output is correct
39 Correct 71 ms 14832 KB Output is correct
40 Correct 74 ms 14788 KB Output is correct
41 Correct 73 ms 14864 KB Output is correct
42 Correct 75 ms 14824 KB Output is correct
43 Correct 76 ms 14828 KB Output is correct
# 결과 실행 시간 메모리 Grader output
1 Incorrect 0 ms 212 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 1 ms 212 KB Output is correct
2 Correct 1 ms 212 KB Output is correct
3 Correct 1 ms 212 KB Output is correct
4 Correct 0 ms 296 KB Output is correct
5 Correct 0 ms 212 KB Output is correct
6 Correct 0 ms 212 KB Output is correct
7 Correct 1 ms 212 KB Output is correct
8 Correct 0 ms 212 KB Output is correct
9 Correct 0 ms 212 KB Output is correct
10 Correct 0 ms 212 KB Output is correct
11 Correct 0 ms 212 KB Output is correct
12 Correct 0 ms 212 KB Output is correct
13 Correct 0 ms 212 KB Output is correct
14 Correct 0 ms 212 KB Output is correct
15 Correct 1 ms 212 KB Output is correct
16 Correct 1 ms 212 KB Output is correct
17 Correct 0 ms 212 KB Output is correct
18 Correct 0 ms 300 KB Output is correct
19 Correct 1 ms 212 KB Output is correct
20 Correct 0 ms 212 KB Output is correct
21 Correct 1 ms 212 KB Output is correct
22 Correct 0 ms 212 KB Output is correct
23 Correct 0 ms 212 KB Output is correct
24 Correct 1 ms 296 KB Output is correct
25 Correct 0 ms 212 KB Output is correct
26 Correct 1 ms 212 KB Output is correct
27 Correct 1 ms 296 KB Output is correct
28 Correct 1 ms 212 KB Output is correct
29 Correct 0 ms 212 KB Output is correct
30 Correct 78 ms 14864 KB Output is correct
31 Correct 95 ms 14816 KB Output is correct
32 Correct 70 ms 14816 KB Output is correct
33 Correct 72 ms 14792 KB Output is correct
34 Correct 80 ms 14832 KB Output is correct
35 Correct 74 ms 14824 KB Output is correct
36 Correct 75 ms 14820 KB Output is correct
37 Correct 88 ms 14860 KB Output is correct
38 Correct 73 ms 14836 KB Output is correct
39 Correct 71 ms 14832 KB Output is correct
40 Correct 74 ms 14788 KB Output is correct
41 Correct 73 ms 14864 KB Output is correct
42 Correct 75 ms 14824 KB Output is correct
43 Correct 76 ms 14828 KB Output is correct
44 Incorrect 0 ms 212 KB 3rd lines differ - on the 1st token, expected: '3304', found: '2744'
45 Halted 0 ms 0 KB -