oj.uz

답안 #619660

# 제출 시각 아이디 문제 언어 결과 실행 시간 메모리
619660 2022-08-02T14:12:08 Z chonka Candies (JOI18_candies) C++17
100 / 100
 115 ms 11956 KB 
#include<bits/stdc++.h>
using namespace std ;
typedef long long ll ;

const int MAXN = 2e5 + 7 ;
const ll inf = 1e16 ;

int n ;
ll a[ MAXN ] ;

ll sm[ MAXN ] ;
int st[ MAXN ] , en[ MAXN ] ;
bool done[ MAXN ] ;

priority_queue < pair < ll , int > > q ;


void solve ( ) {
    cin >> n ;
    for ( int i = 1 ; i <= n ; ++ i ) {
        cin >> a[ i ] ;
    }
    en[ 0 ] = 1 , st[ n + 1 ] = n ;
    sm[ 0 ] = sm[ n + 1 ] = -inf ;
    for ( int i = 1 ; i <= n ; ++ i ) {
        sm[ i ] = a[ i ] ;
        st[ i ] = i - 1 ;
        en[ i ] = i + 1 ;
        q.push ( { sm[ i ] , i } ) ;
    }

    ll ans = 0 ;
    for ( int i = 1 ; i <= ( n + 1 ) / 2 ; ++ i ) {
        while ( q.empty ( ) == false ) { 
            auto [ aux , wh ] = q.top ( ) ;
            q.pop ( ) ;
            if ( done[ wh ] == true ) { continue ; }
            ans += aux ;
            cout << ans << "\n" ;
            sm[ wh ] = sm[ st[ wh ] ] + sm[ en[ wh ] ] - sm[ wh ] ;
            done[ st[ wh ] ] = done[ en[ wh ] ] = true ;
            q.push ( { sm[ wh ] , wh } ) ;

            st[ wh ] = st[ st[ wh ] ] ;
            en[ st[ wh ] ] = wh ;

            en[ wh ] = en[ en[ wh ] ] ;
            st[ en[ wh ] ] = wh ;
            break ;
        }
    }
}

int main ( ) {
    ios_base :: sync_with_stdio ( false ) ;
    cin.tie ( NULL ) ;
    int t = 1 ; // cin >> t ; 
    while ( t -- ) { solve ( ) ; }
    return 0 ;
}

Subtask #1
8.0 / 8.0

# 결과 실행 시간 메모리 Grader output
1 Correct 1 ms 468 KB Output is correct
2 Correct 2 ms 468 KB Output is correct
3 Correct 1 ms 484 KB Output is correct
4 Correct 1 ms 468 KB Output is correct
5 Correct 1 ms 468 KB Output is correct
6 Correct 1 ms 468 KB Output is correct
7 Correct 1 ms 484 KB Output is correct
8 Correct 1 ms 468 KB Output is correct
9 Correct 2 ms 468 KB Output is correct
10 Correct 2 ms 484 KB Output is correct
11 Correct 1 ms 468 KB Output is correct
12 Correct 1 ms 468 KB Output is correct
13 Correct 2 ms 476 KB Output is correct
14 Correct 1 ms 468 KB Output is correct
15 Correct 1 ms 480 KB Output is correct
16 Correct 1 ms 468 KB Output is correct
17 Correct 1 ms 468 KB Output is correct
18 Correct 1 ms 468 KB Output is correct
19 Correct 1 ms 468 KB Output is correct
20 Correct 1 ms 468 KB Output is correct

Subtask #2
92.0 / 92.0

# 결과 실행 시간 메모리 Grader output
1 Correct 1 ms 468 KB Output is correct
2 Correct 2 ms 468 KB Output is correct
3 Correct 1 ms 484 KB Output is correct
4 Correct 1 ms 468 KB Output is correct
5 Correct 1 ms 468 KB Output is correct
6 Correct 1 ms 468 KB Output is correct
7 Correct 1 ms 484 KB Output is correct
8 Correct 1 ms 468 KB Output is correct
9 Correct 2 ms 468 KB Output is correct
10 Correct 2 ms 484 KB Output is correct
11 Correct 1 ms 468 KB Output is correct
12 Correct 1 ms 468 KB Output is correct
13 Correct 2 ms 476 KB Output is correct
14 Correct 1 ms 468 KB Output is correct
15 Correct 1 ms 480 KB Output is correct
16 Correct 1 ms 468 KB Output is correct
17 Correct 1 ms 468 KB Output is correct
18 Correct 1 ms 468 KB Output is correct
19 Correct 1 ms 468 KB Output is correct
20 Correct 1 ms 468 KB Output is correct
21 Correct 109 ms 11900 KB Output is correct
22 Correct 93 ms 11784 KB Output is correct
23 Correct 89 ms 11820 KB Output is correct
24 Correct 80 ms 11724 KB Output is correct
25 Correct 73 ms 11704 KB Output is correct
26 Correct 76 ms 11740 KB Output is correct
27 Correct 81 ms 11824 KB Output is correct
28 Correct 83 ms 11892 KB Output is correct
29 Correct 81 ms 11800 KB Output is correct
30 Correct 96 ms 11956 KB Output is correct
31 Correct 77 ms 11840 KB Output is correct
32 Correct 84 ms 11904 KB Output is correct
33 Correct 115 ms 11568 KB Output is correct
34 Correct 81 ms 11652 KB Output is correct
35 Correct 80 ms 11668 KB Output is correct
36 Correct 96 ms 11792 KB Output is correct
37 Correct 89 ms 11868 KB Output is correct
38 Correct 90 ms 11784 KB Output is correct
39 Correct 70 ms 11736 KB Output is correct
40 Correct 78 ms 11740 KB Output is correct
41 Correct 85 ms 11700 KB Output is correct
42 Correct 75 ms 11820 KB Output is correct
43 Correct 77 ms 11840 KB Output is correct
44 Correct 76 ms 11892 KB Output is correct
45 Correct 89 ms 11860 KB Output is correct
46 Correct 74 ms 11816 KB Output is correct
47 Correct 74 ms 11836 KB Output is correct
48 Correct 82 ms 11576 KB Output is correct
49 Correct 104 ms 11680 KB Output is correct
50 Correct 83 ms 11668 KB Output is correct