oj.uz

Submission #1075940

# Submission time Handle Problem Language Result Execution time Memory
1075940 2024-08-26T09:53:09 Z edogawa_something Ancient Books (IOI17_books) C++17
50 / 100
 110 ms 16000 KB 
#include "books.h"
#include<bits/stdc++.h>
using namespace std;
typedef long long ll;
typedef vector<ll> vii;
typedef pair<ll,ll> pii;
#define F first
#define S second
#define all(v) v.begin(),v.end()
#define pb push_back
ll n;
bool vis[2000000];
long long minimum_walk(vector<int> p, int s) {
  n=p.size();
  ll res=0;
  bool chk=1;
  for(int i=0;i<n;i++) {
    if(p[i]!=i)
      chk=0;
  }
  if(chk)
    return 0;
  ll cnt=0;
  for(int i=0;i<n;i++) {
    if(p[i]>=i) {
      cnt++;
    }
    vis[p[i]]=1;
    if(vis[i])
      cnt--;
    res+=2*cnt;
    if(cnt==0)
      res+=2;
  }
  res-=2;
  for(int i=0;i<s;i++) {
    if(p[i]==i)
      res-=2;
    else
      break;
  }
  for(int i=n-1;i>s;i--) {
    if(p[i]==i)
      res-=2;
    else
      break;
  }
  return res;
}

Subtask #1
12.0 / 12.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 348 KB Output is correct
2 Correct 0 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 1 ms 348 KB Output is correct
6 Correct 0 ms 344 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 1 ms 348 KB Output is correct
13 Correct 0 ms 348 KB Output is correct
14 Correct 1 ms 348 KB Output is correct
15 Correct 1 ms 348 KB Output is correct
16 Correct 0 ms 348 KB Output is correct
17 Correct 1 ms 348 KB Output is correct
18 Correct 1 ms 348 KB Output is correct

Subtask #2
10.0 / 10.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 348 KB Output is correct
2 Correct 0 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 1 ms 348 KB Output is correct
6 Correct 0 ms 344 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 1 ms 348 KB Output is correct
13 Correct 0 ms 348 KB Output is correct
14 Correct 1 ms 348 KB Output is correct
15 Correct 1 ms 348 KB Output is correct
16 Correct 0 ms 348 KB Output is correct
17 Correct 1 ms 348 KB Output is correct
18 Correct 1 ms 348 KB Output is correct
19 Correct 0 ms 348 KB Output is correct
20 Correct 1 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 600 KB Output is correct
26 Correct 1 ms 348 KB Output is correct
27 Correct 0 ms 416 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

# Verdict Execution time Memory Grader output
1 Correct 1 ms 348 KB Output is correct
2 Correct 0 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 1 ms 348 KB Output is correct
6 Correct 0 ms 344 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 1 ms 348 KB Output is correct
13 Correct 0 ms 348 KB Output is correct
14 Correct 1 ms 348 KB Output is correct
15 Correct 1 ms 348 KB Output is correct
16 Correct 0 ms 348 KB Output is correct
17 Correct 1 ms 348 KB Output is correct
18 Correct 1 ms 348 KB Output is correct
19 Correct 0 ms 348 KB Output is correct
20 Correct 1 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 600 KB Output is correct
26 Correct 1 ms 348 KB Output is correct
27 Correct 0 ms 416 KB Output is correct
28 Correct 0 ms 348 KB Output is correct
29 Correct 1 ms 348 KB Output is correct
30 Correct 79 ms 15956 KB Output is correct
31 Correct 110 ms 15848 KB Output is correct
32 Correct 68 ms 14928 KB Output is correct
33 Correct 75 ms 15956 KB Output is correct
34 Correct 91 ms 15956 KB Output is correct
35 Correct 72 ms 15852 KB Output is correct
36 Correct 80 ms 15868 KB Output is correct
37 Correct 75 ms 15848 KB Output is correct
38 Correct 78 ms 15724 KB Output is correct
39 Correct 74 ms 15956 KB Output is correct
40 Correct 100 ms 15852 KB Output is correct
41 Correct 79 ms 15724 KB Output is correct
42 Correct 80 ms 15956 KB Output is correct
43 Correct 79 ms 16000 KB Output is correct

Subtask #4
0 / 20.0

# Verdict Execution time Memory Grader output
1 Incorrect 1 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

# Verdict Execution time Memory Grader output
1 Correct 1 ms 348 KB Output is correct
2 Correct 0 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 1 ms 348 KB Output is correct
6 Correct 0 ms 344 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 1 ms 348 KB Output is correct
13 Correct 0 ms 348 KB Output is correct
14 Correct 1 ms 348 KB Output is correct
15 Correct 1 ms 348 KB Output is correct
16 Correct 0 ms 348 KB Output is correct
17 Correct 1 ms 348 KB Output is correct
18 Correct 1 ms 348 KB Output is correct
19 Correct 0 ms 348 KB Output is correct
20 Correct 1 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 600 KB Output is correct
26 Correct 1 ms 348 KB Output is correct
27 Correct 0 ms 416 KB Output is correct
28 Correct 0 ms 348 KB Output is correct
29 Correct 1 ms 348 KB Output is correct
30 Correct 79 ms 15956 KB Output is correct
31 Correct 110 ms 15848 KB Output is correct
32 Correct 68 ms 14928 KB Output is correct
33 Correct 75 ms 15956 KB Output is correct
34 Correct 91 ms 15956 KB Output is correct
35 Correct 72 ms 15852 KB Output is correct
36 Correct 80 ms 15868 KB Output is correct
37 Correct 75 ms 15848 KB Output is correct
38 Correct 78 ms 15724 KB Output is correct
39 Correct 74 ms 15956 KB Output is correct
40 Correct 100 ms 15852 KB Output is correct
41 Correct 79 ms 15724 KB Output is correct
42 Correct 80 ms 15956 KB Output is correct
43 Correct 79 ms 16000 KB Output is correct
44 Incorrect 1 ms 344 KB 3rd lines differ - on the 1st token, expected: '3304', found: '2744'
45 Halted 0 ms 0 KB -