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QOJ

IDProblemSubmitterResultTimeMemoryLanguageFile sizeSubmit timeJudge time
#300807#6434. Paimon SortingJooDdaeWA 350ms7952kbC++20972b2024-01-08 20:35:162024-01-08 20:35:16

Judging History

你现在查看的是最新测评结果

  • [2024-01-08 20:35:16]
  • 评测
  • 测评结果:WA
  • 用时:350ms
  • 内存:7952kb
  • [2024-01-08 20:35:16]
  • 提交

answer

#include <bits/stdc++.h>
using namespace std;
using ll = long long;

// find_by_order(K) = K번째 수(0 base), order_of_key(K) = K보다 작은 수의 개수, less -> less_equal to multiset, change null_type to map
#include <ext/pb_ds/assoc_container.hpp>
#include <ext/pb_ds/tree_policy.hpp>
using namespace __gnu_pbds;
using pbds = tree <int, int, less<>, rb_tree_tag, tree_order_statistics_node_update>;

int n, a[100100];

int main() {
    cin.tie(0)->sync_with_stdio(0);
    int tc; cin >> tc;
    while(tc--) {
        cin >> n;
        for(int i=1;i<=n;i++) cin >> a[i];
        pbds mp;

        ll ans = 0;
        for(int i=1;i<=n;i++) {
            if(a[i] > a[1]) {
                if(!--mp[-a[1]]) mp.erase(-a[1]);
                swap(a[i], a[1]), ans++;
                mp[-a[1]]++;
            }
            ans += mp.order_of_key(-a[i]);
            mp[-a[i]]++;
            cout << ans << " \n"[i == n];
        }
    }
}

Details

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Test #1:

score: 100
Accepted
time: 0ms
memory: 3640kb

input:

3
5
2 3 2 1 5
3
1 2 3
1
1

output:

0 2 3 5 7
0 2 4
0

result:

ok 3 lines

Test #2:

score: -100
Wrong Answer
time: 350ms
memory: 7952kb

input:

6107
19
10 13 8 8 11 18 12 9 15 19 6 13 11 11 17 9 14 2 18
12
1 8 10 2 10 2 6 1 5 9 5 7
16
14 4 2 15 12 14 10 3 2 9 15 4 12 9 5 15
10
3 2 5 6 7 8 6 1 6 4
18
6 5 12 12 11 2 10 10 5 10 13 15 13 10 17 7 11 2
1
1
2
1 1
3
2 1 2
17
11 15 3 10 7 15 15 10 5 17 3 3 14 13 11 11 2
3
2 2 3
7
6 1 7 5 3 5 1
7
2 1...

output:

0 2 4 6 7 9 11 16 17 19 28 31 36 41 43 51 55 67 68
0 2 4 6 6 8 10 14 17 18 22 25
0 1 3 5 7 8 11 16 22 26 26 31 33 37 42 42
0 1 3 5 7 9 11 17 19 23
0 1 3 3 4 8 10 12 16 18 20 22 23 27 29 35 39 48
0
0 0
0 1 1
0 2 4 6 9 9 9 11 15 17 23 29 31 34 38 42 51
0 0 2
0 1 3 5 8 10 14
0 1 3 4 6 9 9
0 1 1 3 5 9 1...

result:

wrong answer 5th lines differ - expected: '0 1 3 3 4 8 10 12 16 18 27 29 30 34 36 42 46 55', found: '0 1 3 3 4 8 10 12 16 18 20 22 23 27 29 35 39 48'