oj.uz

답안 #836238

# 제출 시각 아이디 문제 언어 결과 실행 시간 메모리
836238 2023-08-24T09:02:13 Z alvingogo Bitaro's travel (JOI23_travel) C++14
0 / 100
 124 ms 3564 KB 
#include <bits/stdc++.h>
#pragma GCC optimize("Ofast")
#define AquA cin.tie(0);ios_base::sync_with_stdio(0);
#define fs first
#define sc second
#define p_q priority_queue
#define int long long
using namespace std;

signed main(){
    AquA;
    int n;
    cin >> n;
    vector<int> v(n+2);
    for(int i=1;i<=n;i++){
        cin >> v[i];
    }
    const int inf=1e18;
    v[0]=-inf;
    v[n+1]=inf;
    int q;
    cin >> q;
    while(q--){
        int c;
        cin >> c;
        int p=lower_bound(v.begin(),v.end(),c)-v.begin();
        int l,r;
        int ans=0;
        if(c-v[p-1]<=v[p]-c){
            p--;
        }
        l=r=p;
        ans+=abs(c-v[p]);
        while(l!=1 || r!=n){
            if(abs(v[p]-v[l-1])<=abs(v[r+1]-v[p])){
                int a=1,b=l-1;
                while(b>a){
                    int m=(a+b+1)/2;
                    if(abs(v[m]-v[r+1])>=abs(v[m]-v[m-1])){
                        b=m-1;
                    }
                    else{
                        a=m;
                    }
                }
                ans+=abs(v[p]-v[a]);
                assert(abs(v[a]-v[a-1])>=abs(v[a]-v[r+1]));
                l=p=a;
            }
            else{
                int a=r+1,b=n;
                while(b>a){
                    int m=(a+b)/2;
                    if(abs(v[m]-v[l-1])>abs(v[m]-v[m+1])){
                        a=m+1;
                    }
                    else{
                        b=m;
                    }
                }
                ans+=abs(v[p]-v[a]);
                r=p=a;
            }
        }
        cout << ans << "\n";
    }
    return 0;
}

Subtask #1
0 / 5.0

# 결과 실행 시간 메모리 Grader output
1 Correct 0 ms 212 KB Output is correct
2 Correct 0 ms 212 KB Output is correct
3 Incorrect 0 ms 340 KB Output isn't correct
4 Halted 0 ms 0 KB -

Subtask #2
0 / 10.0

# 결과 실행 시간 메모리 Grader output
1 Correct 0 ms 212 KB Output is correct
2 Correct 0 ms 212 KB Output is correct
3 Incorrect 0 ms 340 KB Output isn't correct
4 Halted 0 ms 0 KB -

Subtask #3
0 / 30.0

# 결과 실행 시간 메모리 Grader output
1 Correct 0 ms 212 KB Output is correct
2 Correct 0 ms 212 KB Output is correct
3 Correct 0 ms 212 KB Output is correct
4 Correct 0 ms 212 KB Output is correct
5 Correct 0 ms 232 KB Output is correct
6 Correct 0 ms 212 KB Output is correct
7 Correct 124 ms 3256 KB Output is correct
8 Correct 114 ms 3172 KB Output is correct
9 Correct 113 ms 3160 KB Output is correct
10 Correct 115 ms 3268 KB Output is correct
11 Correct 118 ms 3216 KB Output is correct
12 Correct 116 ms 3276 KB Output is correct
13 Correct 32 ms 2164 KB Output is correct
14 Correct 23 ms 860 KB Output is correct
15 Incorrect 97 ms 3564 KB Output isn't correct
16 Halted 0 ms 0 KB -

Subtask #4
0 / 55.0

# 결과 실행 시간 메모리 Grader output
1 Correct 0 ms 212 KB Output is correct
2 Correct 0 ms 212 KB Output is correct
3 Incorrect 0 ms 340 KB Output isn't correct
4 Halted 0 ms 0 KB -