답안 #72802 :: oj.uz

#	제출 시각	아이디	문제	언어	결과	실행 시간	메모리
72802	2018-08-27T01:59:24 Z	funcsr	고대 책들 (IOI17_books)	C++17	50 / 100	280 ms	36916 KB

books

#include "books.h"
#include <iostream>
#include <vector>
#include <algorithm>
#include <queue>
#include <cmath>
#include <cassert>
using namespace std;
#define rep(i,n)for (int i=0; i<(n); i++)
#define all(x) (x).begin(), (x).end()
#define pb push_back
#define _1 first
#define _2 second
#define INF 1145141919
typedef pair<int, int> P;

int N;
bool used[1000000];
int T[1000000];
vector<int> G[1000000];

long long minimum_walk(vector<int> A, int S) {
  N = A.size();
  int lmin = 0, rmin = 0;
  rep(i, N) if (!used[i]) {
    if (i == A[i]) continue;
    int x = i;
    while (!used[x]) {
      if (x < A[x]) {
        T[x]++;
        T[A[x]]--;
      }
      used[x] = true;
      x = A[x];
    }
  }
  rep(i,N-1) T[i+1] += T[i];
  long long cost = 0;
  bool yes = false;
  for (int i=N-1; i>=S; i--) {
    if (T[i])yes=true;
    cost += max(T[i], (int)yes);
  }
  yes = false;
  for (int i=0; i<S; i++) {
    if (T[i])yes=true;
    cost += max(T[i], (int)yes);
  }
  return 2LL*cost;
}

Compilation message

books.cpp: In function 'long long int minimum_walk(std::vector<int>, int)':
books.cpp:24:7: warning: unused variable 'lmin' [-Wunused-variable]
   int lmin = 0, rmin = 0;
       ^~~~
books.cpp:24:17: warning: unused variable 'rmin' [-Wunused-variable]
   int lmin = 0, rmin = 0;
                 ^~~~

Subtask #1
12.0 / 12.0

#	결과	실행 시간	메모리	Grader output
1	Correct	20 ms	23800 KB	Output is correct
2	Correct	21 ms	23948 KB	Output is correct
3	Correct	23 ms	24016 KB	Output is correct
4	Correct	19 ms	24016 KB	Output is correct
5	Correct	20 ms	24020 KB	Output is correct
6	Correct	20 ms	24020 KB	Output is correct
7	Correct	20 ms	24040 KB	Output is correct
8	Correct	20 ms	24084 KB	Output is correct
9	Correct	28 ms	24084 KB	Output is correct
10	Correct	24 ms	24084 KB	Output is correct
11	Correct	20 ms	24084 KB	Output is correct
12	Correct	25 ms	24084 KB	Output is correct
13	Correct	23 ms	24084 KB	Output is correct
14	Correct	23 ms	24084 KB	Output is correct
15	Correct	20 ms	24084 KB	Output is correct
16	Correct	22 ms	24148 KB	Output is correct
17	Correct	24 ms	24148 KB	Output is correct
18	Correct	23 ms	24172 KB	Output is correct

Subtask #2
10.0 / 10.0

#	결과	실행 시간	메모리	Grader output
1	Correct	20 ms	23800 KB	Output is correct
2	Correct	21 ms	23948 KB	Output is correct
3	Correct	23 ms	24016 KB	Output is correct
4	Correct	19 ms	24016 KB	Output is correct
5	Correct	20 ms	24020 KB	Output is correct
6	Correct	20 ms	24020 KB	Output is correct
7	Correct	20 ms	24040 KB	Output is correct
8	Correct	20 ms	24084 KB	Output is correct
9	Correct	28 ms	24084 KB	Output is correct
10	Correct	24 ms	24084 KB	Output is correct
11	Correct	20 ms	24084 KB	Output is correct
12	Correct	25 ms	24084 KB	Output is correct
13	Correct	23 ms	24084 KB	Output is correct
14	Correct	23 ms	24084 KB	Output is correct
15	Correct	20 ms	24084 KB	Output is correct
16	Correct	22 ms	24148 KB	Output is correct
17	Correct	24 ms	24148 KB	Output is correct
18	Correct	23 ms	24172 KB	Output is correct
19	Correct	25 ms	24172 KB	Output is correct
20	Correct	23 ms	24172 KB	Output is correct
21	Correct	20 ms	24172 KB	Output is correct
22	Correct	24 ms	24172 KB	Output is correct
23	Correct	24 ms	24172 KB	Output is correct
24	Correct	20 ms	24172 KB	Output is correct
25	Correct	21 ms	24172 KB	Output is correct
26	Correct	24 ms	24172 KB	Output is correct
27	Correct	24 ms	24224 KB	Output is correct
28	Correct	25 ms	24224 KB	Output is correct
29	Correct	21 ms	24224 KB	Output is correct

Subtask #3
28.0 / 28.0

#	결과	실행 시간	메모리	Grader output
1	Correct	20 ms	23800 KB	Output is correct
2	Correct	21 ms	23948 KB	Output is correct
3	Correct	23 ms	24016 KB	Output is correct
4	Correct	19 ms	24016 KB	Output is correct
5	Correct	20 ms	24020 KB	Output is correct
6	Correct	20 ms	24020 KB	Output is correct
7	Correct	20 ms	24040 KB	Output is correct
8	Correct	20 ms	24084 KB	Output is correct
9	Correct	28 ms	24084 KB	Output is correct
10	Correct	24 ms	24084 KB	Output is correct
11	Correct	20 ms	24084 KB	Output is correct
12	Correct	25 ms	24084 KB	Output is correct
13	Correct	23 ms	24084 KB	Output is correct
14	Correct	23 ms	24084 KB	Output is correct
15	Correct	20 ms	24084 KB	Output is correct
16	Correct	22 ms	24148 KB	Output is correct
17	Correct	24 ms	24148 KB	Output is correct
18	Correct	23 ms	24172 KB	Output is correct
19	Correct	25 ms	24172 KB	Output is correct
20	Correct	23 ms	24172 KB	Output is correct
21	Correct	20 ms	24172 KB	Output is correct
22	Correct	24 ms	24172 KB	Output is correct
23	Correct	24 ms	24172 KB	Output is correct
24	Correct	20 ms	24172 KB	Output is correct
25	Correct	21 ms	24172 KB	Output is correct
26	Correct	24 ms	24172 KB	Output is correct
27	Correct	24 ms	24224 KB	Output is correct
28	Correct	25 ms	24224 KB	Output is correct
29	Correct	21 ms	24224 KB	Output is correct
30	Correct	229 ms	36716 KB	Output is correct
31	Correct	280 ms	36732 KB	Output is correct
32	Correct	154 ms	36732 KB	Output is correct
33	Correct	163 ms	36732 KB	Output is correct
34	Correct	172 ms	36752 KB	Output is correct
35	Correct	167 ms	36752 KB	Output is correct
36	Correct	186 ms	36860 KB	Output is correct
37	Correct	169 ms	36860 KB	Output is correct
38	Correct	205 ms	36860 KB	Output is correct
39	Correct	218 ms	36860 KB	Output is correct
40	Correct	214 ms	36860 KB	Output is correct
41	Correct	207 ms	36916 KB	Output is correct
42	Correct	238 ms	36916 KB	Output is correct
43	Correct	172 ms	36916 KB	Output is correct

Subtask #4
0 / 20.0

#	결과	실행 시간	메모리	Grader output
1	Incorrect	20 ms	36916 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	20 ms	23800 KB	Output is correct
2	Correct	21 ms	23948 KB	Output is correct
3	Correct	23 ms	24016 KB	Output is correct
4	Correct	19 ms	24016 KB	Output is correct
5	Correct	20 ms	24020 KB	Output is correct
6	Correct	20 ms	24020 KB	Output is correct
7	Correct	20 ms	24040 KB	Output is correct
8	Correct	20 ms	24084 KB	Output is correct
9	Correct	28 ms	24084 KB	Output is correct
10	Correct	24 ms	24084 KB	Output is correct
11	Correct	20 ms	24084 KB	Output is correct
12	Correct	25 ms	24084 KB	Output is correct
13	Correct	23 ms	24084 KB	Output is correct
14	Correct	23 ms	24084 KB	Output is correct
15	Correct	20 ms	24084 KB	Output is correct
16	Correct	22 ms	24148 KB	Output is correct
17	Correct	24 ms	24148 KB	Output is correct
18	Correct	23 ms	24172 KB	Output is correct
19	Correct	25 ms	24172 KB	Output is correct
20	Correct	23 ms	24172 KB	Output is correct
21	Correct	20 ms	24172 KB	Output is correct
22	Correct	24 ms	24172 KB	Output is correct
23	Correct	24 ms	24172 KB	Output is correct
24	Correct	20 ms	24172 KB	Output is correct
25	Correct	21 ms	24172 KB	Output is correct
26	Correct	24 ms	24172 KB	Output is correct
27	Correct	24 ms	24224 KB	Output is correct
28	Correct	25 ms	24224 KB	Output is correct
29	Correct	21 ms	24224 KB	Output is correct
30	Correct	229 ms	36716 KB	Output is correct
31	Correct	280 ms	36732 KB	Output is correct
32	Correct	154 ms	36732 KB	Output is correct
33	Correct	163 ms	36732 KB	Output is correct
34	Correct	172 ms	36752 KB	Output is correct
35	Correct	167 ms	36752 KB	Output is correct
36	Correct	186 ms	36860 KB	Output is correct
37	Correct	169 ms	36860 KB	Output is correct
38	Correct	205 ms	36860 KB	Output is correct
39	Correct	218 ms	36860 KB	Output is correct
40	Correct	214 ms	36860 KB	Output is correct
41	Correct	207 ms	36916 KB	Output is correct
42	Correct	238 ms	36916 KB	Output is correct
43	Correct	172 ms	36916 KB	Output is correct
44	Incorrect	20 ms	36916 KB	3rd lines differ - on the 1st token, expected: '3304', found: '2744'
45	Halted	0 ms	0 KB	-

답안 #72802

Compilation message

Subtask #1 12.0 / 12.0

Subtask #2 10.0 / 10.0

Subtask #3 28.0 / 28.0

Subtask #4 0 / 20.0

Subtask #5 0 / 30.0

Subtask #1
12.0 / 12.0

Subtask #2
10.0 / 10.0

Subtask #3
28.0 / 28.0

Subtask #4
0 / 20.0

Subtask #5
0 / 30.0