oj.uz

Submission #892985

# Submission time Handle Problem Language Result Execution time Memory
892985 2023-12-26T09:42:17 Z alexander707070 Bitaro's travel (JOI23_travel) C++14
100 / 100
 511 ms 8128 KB 
#include<bits/stdc++.h>
#define MAXN 200007
using namespace std;

const long long inf=1e15;

long long n,t[MAXN],q,s;

long long solve(long long s,int from,int to){
    int l=from,r=to;
    long long res=0,gap=0;

    while(l!=0 or r!=n+1){
        if(l>=1 and s-t[l]<=t[r]-s){
            int ll=0,rr=l,mid;
            while(ll+1<rr){
                mid=(ll+rr)/2;
                if(s-t[mid]<gap){
                    rr=mid;
                }else{
                    ll=mid;
                }
            }
            res+=s-t[rr];
            l=rr-1; s=t[rr];

        }else if(r<=n and t[r]-s<=s-t[l]){
            int ll=r,rr=n+1,mid;
            while(ll+1<rr){
                mid=(ll+rr)/2;
                if(t[mid]-s<gap){
                    ll=mid;
                }else{
                    rr=mid;
                }
            }
            res+=t[ll]-s;
            r=ll+1; s=t[ll];

        }else{
            exit(0);
        }
        gap=t[r-1]-t[l+1];
    }

    return res;
}

int main(){

    ios_base::sync_with_stdio(0);
    cin.tie(0);
    cout.tie(0);

    cin>>n;
    for(int i=1;i<=n;i++){
        cin>>t[i];
    }
    t[n+1]=inf;
    t[0]=-inf;

    cin>>q;
    for(int i=1;i<=q;i++){
        cin>>s;

        int l=0,r=n+1,mid;
        while(l+1<r){
            mid=(l+r)/2;
            if(t[mid]<=s){
                l=mid;
            }else{
                r=mid;
            }
        }

        cout<<solve(s,l,l+1)<<"\n";
    }

    return 0;
}

Subtask #1
5.0 / 5.0

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

Subtask #2
10.0 / 10.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 348 KB Output is correct
2 Correct 1 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 0 ms 348 KB Output is correct
6 Correct 0 ms 348 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 0 ms 348 KB Output is correct
13 Correct 0 ms 348 KB Output is correct
14 Correct 0 ms 348 KB Output is correct
15 Correct 0 ms 348 KB Output is correct
16 Correct 0 ms 348 KB Output is correct
17 Correct 15 ms 1884 KB Output is correct
18 Correct 14 ms 1884 KB Output is correct
19 Correct 15 ms 1828 KB Output is correct
20 Correct 18 ms 1868 KB Output is correct
21 Correct 14 ms 1884 KB Output is correct
22 Correct 16 ms 1800 KB Output is correct
23 Correct 15 ms 1884 KB Output is correct
24 Correct 15 ms 1884 KB Output is correct
25 Correct 15 ms 1848 KB Output is correct
26 Correct 15 ms 2424 KB Output is correct
27 Correct 15 ms 1884 KB Output is correct
28 Correct 14 ms 1880 KB Output is correct
29 Correct 14 ms 1884 KB Output is correct
30 Correct 14 ms 1884 KB Output is correct
31 Correct 22 ms 1916 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 0 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 448 ms 4260 KB Output is correct
8 Correct 410 ms 5848 KB Output is correct
9 Correct 423 ms 5772 KB Output is correct
10 Correct 417 ms 5712 KB Output is correct
11 Correct 413 ms 5908 KB Output is correct
12 Correct 417 ms 5916 KB Output is correct
13 Correct 37 ms 4296 KB Output is correct
14 Correct 24 ms 1616 KB Output is correct
15 Correct 326 ms 6932 KB Output is correct
16 Correct 381 ms 6776 KB Output is correct
17 Correct 319 ms 6872 KB Output is correct
18 Correct 37 ms 4188 KB Output is correct

Subtask #4
55.0 / 55.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 348 KB Output is correct
2 Correct 1 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 0 ms 348 KB Output is correct
6 Correct 0 ms 348 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 0 ms 348 KB Output is correct
13 Correct 0 ms 348 KB Output is correct
14 Correct 0 ms 348 KB Output is correct
15 Correct 0 ms 348 KB Output is correct
16 Correct 0 ms 348 KB Output is correct
17 Correct 15 ms 1884 KB Output is correct
18 Correct 14 ms 1884 KB Output is correct
19 Correct 15 ms 1828 KB Output is correct
20 Correct 18 ms 1868 KB Output is correct
21 Correct 14 ms 1884 KB Output is correct
22 Correct 16 ms 1800 KB Output is correct
23 Correct 15 ms 1884 KB Output is correct
24 Correct 15 ms 1884 KB Output is correct
25 Correct 15 ms 1848 KB Output is correct
26 Correct 15 ms 2424 KB Output is correct
27 Correct 15 ms 1884 KB Output is correct
28 Correct 14 ms 1880 KB Output is correct
29 Correct 14 ms 1884 KB Output is correct
30 Correct 14 ms 1884 KB Output is correct
31 Correct 22 ms 1916 KB Output is correct
32 Correct 0 ms 344 KB Output is correct
33 Correct 0 ms 348 KB Output is correct
34 Correct 0 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 448 ms 4260 KB Output is correct
39 Correct 410 ms 5848 KB Output is correct
40 Correct 423 ms 5772 KB Output is correct
41 Correct 417 ms 5712 KB Output is correct
42 Correct 413 ms 5908 KB Output is correct
43 Correct 417 ms 5916 KB Output is correct
44 Correct 37 ms 4296 KB Output is correct
45 Correct 24 ms 1616 KB Output is correct
46 Correct 326 ms 6932 KB Output is correct
47 Correct 381 ms 6776 KB Output is correct
48 Correct 319 ms 6872 KB Output is correct
49 Correct 37 ms 4188 KB Output is correct
50 Correct 511 ms 8004 KB Output is correct
51 Correct 491 ms 8044 KB Output is correct
52 Correct 377 ms 8128 KB Output is correct
53 Correct 467 ms 8020 KB Output is correct
54 Correct 461 ms 7872 KB Output is correct
55 Correct 469 ms 8072 KB Output is correct
56 Correct 295 ms 7876 KB Output is correct
57 Correct 276 ms 7720 KB Output is correct
58 Correct 313 ms 7936 KB Output is correct