oj.uz

Submission #898516

# Submission time Handle Problem Language Result Execution time Memory
898516 2024-01-04T19:50:22 Z EthanKim8683 Bitaro's travel (JOI23_travel) C++17
100 / 100
 889 ms 8040 KB 
#include<bits/stdc++.h>
using namespace std;
using I=int;
using Lli=long long int;
const I N=200000;
const Lli MAX=1e18+1;
const Lli MIN=-MAX;
Lli x_arr[N];
I main(){
  cin.tie(0)->sync_with_stdio(0);
  I n;cin>>n;
  for(I i=0;i<n;i++)cin>>x_arr[i];
  I q;cin>>q;
  while(q--){
    I s;cin>>s;
    auto geq=[&](Lli x){
      return lower_bound(x_arr,x_arr+n,x)-x_arr;
    };
    auto gtn=[&](Lli x){
      return upper_bound(x_arr,x_arr+n,x)-x_arr;
    };
    auto ltn=[&](Lli x){
      return geq(x)-1;
    };
    auto leq=[&](Lli x){
      return gtn(x)-1;
    };
    auto val=[&](I i){
      if(i==-1){
        return MIN;
      }
      if(i==n){
        return MAX;
      }
      return x_arr[i];
    };
    Lli res=0,l1=s,r1=s,t=s;
    while(1){
      Lli l2=val(ltn(l1)),r2=val(gtn(r1));
      if(l2==MIN&&r2==MAX){
        break;
      }
      if(t==l1){
        if(l1-l2<=r2-l1){
          I u=val(geq(l1-(r2-l1)));
          res+=t-u;
          t=u;
          l1=u;
        }else{
          I u=val(ltn(l1+(l1-l2)));
          res+=u-t;
          t=u;
          r1=u;
        }
      }else{
        if(r1-l2<=r2-r1){
          I u=val(geq(r1-(r2-r1)));
          res+=t-u;
          t=u;
          l1=u;
        }else{
          I u=val(ltn(r1+(r1-l2)));
          res+=u-t;
          t=u;
          r1=u;
        }
      }
    }
    printf("%lli\n",res);
  }
}

Compilation message

travel.cpp: In function 'I main()':
travel.cpp:25:10: warning: variable 'leq' set but not used [-Wunused-but-set-variable]
   25 |     auto leq=[&](Lli x){
      |          ^~~

Subtask #1
5.0 / 5.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 344 KB Output is correct
2 Correct 1 ms 348 KB Output is correct
3 Correct 1 ms 348 KB Output is correct
4 Correct 1 ms 492 KB Output is correct
5 Correct 0 ms 348 KB Output is correct
6 Correct 0 ms 348 KB Output is correct
7 Correct 1 ms 348 KB Output is correct
8 Correct 0 ms 348 KB Output is correct
9 Correct 1 ms 540 KB Output is correct
10 Correct 0 ms 348 KB Output is correct
11 Correct 0 ms 344 KB Output is correct
12 Correct 0 ms 348 KB Output is correct
13 Correct 0 ms 348 KB Output is correct
14 Correct 1 ms 344 KB Output is correct
15 Correct 1 ms 348 KB Output is correct
16 Correct 1 ms 504 KB Output is correct

Subtask #2
10.0 / 10.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 344 KB Output is correct
2 Correct 1 ms 348 KB Output is correct
3 Correct 1 ms 348 KB Output is correct
4 Correct 1 ms 492 KB Output is correct
5 Correct 0 ms 348 KB Output is correct
6 Correct 0 ms 348 KB Output is correct
7 Correct 1 ms 348 KB Output is correct
8 Correct 0 ms 348 KB Output is correct
9 Correct 1 ms 540 KB Output is correct
10 Correct 0 ms 348 KB Output is correct
11 Correct 0 ms 344 KB Output is correct
12 Correct 0 ms 348 KB Output is correct
13 Correct 0 ms 348 KB Output is correct
14 Correct 1 ms 344 KB Output is correct
15 Correct 1 ms 348 KB Output is correct
16 Correct 1 ms 504 KB Output is correct
17 Correct 16 ms 3944 KB Output is correct
18 Correct 18 ms 3972 KB Output is correct
19 Correct 15 ms 3728 KB Output is correct
20 Correct 15 ms 3932 KB Output is correct
21 Correct 15 ms 3932 KB Output is correct
22 Correct 16 ms 3920 KB Output is correct
23 Correct 15 ms 3924 KB Output is correct
24 Correct 16 ms 3924 KB Output is correct
25 Correct 17 ms 3924 KB Output is correct
26 Correct 15 ms 3928 KB Output is correct
27 Correct 16 ms 3924 KB Output is correct
28 Correct 15 ms 3828 KB Output is correct
29 Correct 15 ms 3676 KB Output is correct
30 Correct 15 ms 3676 KB Output is correct
31 Correct 15 ms 3732 KB Output is correct

Subtask #3
30.0 / 30.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 344 KB Output is correct
2 Correct 0 ms 348 KB Output is correct
3 Correct 1 ms 348 KB Output is correct
4 Correct 0 ms 348 KB Output is correct
5 Correct 0 ms 348 KB Output is correct
6 Correct 0 ms 348 KB Output is correct
7 Correct 713 ms 5932 KB Output is correct
8 Correct 724 ms 5900 KB Output is correct
9 Correct 718 ms 5740 KB Output is correct
10 Correct 720 ms 5716 KB Output is correct
11 Correct 719 ms 5972 KB Output is correct
12 Correct 714 ms 5724 KB Output is correct
13 Correct 37 ms 4180 KB Output is correct
14 Correct 34 ms 1636 KB Output is correct
15 Correct 466 ms 6992 KB Output is correct
16 Correct 471 ms 6792 KB Output is correct
17 Correct 474 ms 6996 KB Output is correct
18 Correct 39 ms 4176 KB Output is correct

Subtask #4
55.0 / 55.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 344 KB Output is correct
2 Correct 1 ms 348 KB Output is correct
3 Correct 1 ms 348 KB Output is correct
4 Correct 1 ms 492 KB Output is correct
5 Correct 0 ms 348 KB Output is correct
6 Correct 0 ms 348 KB Output is correct
7 Correct 1 ms 348 KB Output is correct
8 Correct 0 ms 348 KB Output is correct
9 Correct 1 ms 540 KB Output is correct
10 Correct 0 ms 348 KB Output is correct
11 Correct 0 ms 344 KB Output is correct
12 Correct 0 ms 348 KB Output is correct
13 Correct 0 ms 348 KB Output is correct
14 Correct 1 ms 344 KB Output is correct
15 Correct 1 ms 348 KB Output is correct
16 Correct 1 ms 504 KB Output is correct
17 Correct 16 ms 3944 KB Output is correct
18 Correct 18 ms 3972 KB Output is correct
19 Correct 15 ms 3728 KB Output is correct
20 Correct 15 ms 3932 KB Output is correct
21 Correct 15 ms 3932 KB Output is correct
22 Correct 16 ms 3920 KB Output is correct
23 Correct 15 ms 3924 KB Output is correct
24 Correct 16 ms 3924 KB Output is correct
25 Correct 17 ms 3924 KB Output is correct
26 Correct 15 ms 3928 KB Output is correct
27 Correct 16 ms 3924 KB Output is correct
28 Correct 15 ms 3828 KB Output is correct
29 Correct 15 ms 3676 KB Output is correct
30 Correct 15 ms 3676 KB Output is correct
31 Correct 15 ms 3732 KB Output is correct
32 Correct 0 ms 344 KB Output is correct
33 Correct 0 ms 348 KB Output is correct
34 Correct 1 ms 348 KB Output is correct
35 Correct 0 ms 348 KB Output is correct
36 Correct 0 ms 348 KB Output is correct
37 Correct 0 ms 348 KB Output is correct
38 Correct 713 ms 5932 KB Output is correct
39 Correct 724 ms 5900 KB Output is correct
40 Correct 718 ms 5740 KB Output is correct
41 Correct 720 ms 5716 KB Output is correct
42 Correct 719 ms 5972 KB Output is correct
43 Correct 714 ms 5724 KB Output is correct
44 Correct 37 ms 4180 KB Output is correct
45 Correct 34 ms 1636 KB Output is correct
46 Correct 466 ms 6992 KB Output is correct
47 Correct 471 ms 6792 KB Output is correct
48 Correct 474 ms 6996 KB Output is correct
49 Correct 39 ms 4176 KB Output is correct
50 Correct 736 ms 8016 KB Output is correct
51 Correct 614 ms 8040 KB Output is correct
52 Correct 567 ms 8016 KB Output is correct
53 Correct 866 ms 8004 KB Output is correct
54 Correct 888 ms 8040 KB Output is correct
55 Correct 889 ms 7896 KB Output is correct
56 Correct 92 ms 7764 KB Output is correct
57 Correct 112 ms 7764 KB Output is correct
58 Correct 91 ms 7764 KB Output is correct