답안 #617677

# 제출 시각 아이디 문제 언어 결과 실행 시간 메모리
617677 2022-08-01T12:45:32 Z bebra Candies (JOI18_candies) C++17
100 / 100
113 ms 10228 KB
#include <bits/stdc++.h>
using namespace std;

#define dbg(x) cerr << #x << ": " << x << endl;

int main() {
    ios_base::sync_with_stdio(false);
    cin.tie(nullptr);
    int n;
    cin >> n;
    vector<long long> a(n + 2);
    vector<int> l(n + 2);
    vector<int> r(n + 2);
    priority_queue<pair<long long, int>> pq;
    for (int i = 1; i <= n; ++i) {
        cin >> a[i];
        l[i] = i - 1;
        r[i] = i + 1;
        pq.emplace(a[i], i);
    }
    
    const long long MINUS_INF = -1e15;
    a[0] = MINUS_INF;
    a[n + 1] = MINUS_INF;

    l[n + 1] = n;
    r[0] = 1;

    long long curr_ans = 0;
    vector<bool> used(n + 2);
    for (int j = 1; j <= (n + 1) / 2; ++j) {
        auto [value, i] = pq.top();
        while (used[i]) {
            pq.pop();
            tie(value, i) = pq.top();
        }
        pq.pop();

        curr_ans += value;
        cout << curr_ans << '\n';

        a[i] = a[l[i]] + a[r[i]] - a[i];
        used[l[i]] = true;
        used[r[i]] = true;
        pq.emplace(a[i], i);

        l[i] = l[l[i]];
        r[l[i]] = i;

        r[i] = r[r[i]];
        l[r[i]] = i;
    }
    
    return 0;
}

# 결과 실행 시간 메모리 Grader output
1 Correct 1 ms 340 KB Output is correct
2 Correct 1 ms 340 KB Output is correct
3 Correct 1 ms 340 KB Output is correct
4 Correct 1 ms 340 KB Output is correct
5 Correct 1 ms 340 KB Output is correct
6 Correct 1 ms 340 KB Output is correct
7 Correct 1 ms 340 KB Output is correct
8 Correct 1 ms 340 KB Output is correct
9 Correct 1 ms 340 KB Output is correct
10 Correct 1 ms 340 KB Output is correct
11 Correct 2 ms 340 KB Output is correct
12 Correct 1 ms 340 KB Output is correct
13 Correct 1 ms 340 KB Output is correct
14 Correct 1 ms 340 KB Output is correct
15 Correct 1 ms 340 KB Output is correct
16 Correct 1 ms 340 KB Output is correct
17 Correct 1 ms 340 KB Output is correct
18 Correct 1 ms 380 KB Output is correct
19 Correct 1 ms 340 KB Output is correct
20 Correct 1 ms 340 KB Output is correct
# 결과 실행 시간 메모리 Grader output
1 Correct 1 ms 340 KB Output is correct
2 Correct 1 ms 340 KB Output is correct
3 Correct 1 ms 340 KB Output is correct
4 Correct 1 ms 340 KB Output is correct
5 Correct 1 ms 340 KB Output is correct
6 Correct 1 ms 340 KB Output is correct
7 Correct 1 ms 340 KB Output is correct
8 Correct 1 ms 340 KB Output is correct
9 Correct 1 ms 340 KB Output is correct
10 Correct 1 ms 340 KB Output is correct
11 Correct 2 ms 340 KB Output is correct
12 Correct 1 ms 340 KB Output is correct
13 Correct 1 ms 340 KB Output is correct
14 Correct 1 ms 340 KB Output is correct
15 Correct 1 ms 340 KB Output is correct
16 Correct 1 ms 340 KB Output is correct
17 Correct 1 ms 340 KB Output is correct
18 Correct 1 ms 380 KB Output is correct
19 Correct 1 ms 340 KB Output is correct
20 Correct 1 ms 340 KB Output is correct
21 Correct 99 ms 10052 KB Output is correct
22 Correct 93 ms 10120 KB Output is correct
23 Correct 86 ms 10052 KB Output is correct
24 Correct 74 ms 9892 KB Output is correct
25 Correct 71 ms 10012 KB Output is correct
26 Correct 79 ms 9908 KB Output is correct
27 Correct 77 ms 10076 KB Output is correct
28 Correct 75 ms 10148 KB Output is correct
29 Correct 100 ms 10044 KB Output is correct
30 Correct 87 ms 10048 KB Output is correct
31 Correct 80 ms 10112 KB Output is correct
32 Correct 92 ms 10056 KB Output is correct
33 Correct 89 ms 9856 KB Output is correct
34 Correct 90 ms 9924 KB Output is correct
35 Correct 80 ms 9888 KB Output is correct
36 Correct 113 ms 10136 KB Output is correct
37 Correct 94 ms 10172 KB Output is correct
38 Correct 87 ms 10156 KB Output is correct
39 Correct 74 ms 10004 KB Output is correct
40 Correct 73 ms 10012 KB Output is correct
41 Correct 68 ms 9920 KB Output is correct
42 Correct 79 ms 10052 KB Output is correct
43 Correct 79 ms 10072 KB Output is correct
44 Correct 83 ms 10172 KB Output is correct
45 Correct 89 ms 10168 KB Output is correct
46 Correct 76 ms 10068 KB Output is correct
47 Correct 94 ms 10228 KB Output is correct
48 Correct 89 ms 9916 KB Output is correct
49 Correct 106 ms 9928 KB Output is correct
50 Correct 89 ms 9864 KB Output is correct