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QOJ

IDProblemSubmitterResultTimeMemoryLanguageFile sizeSubmit timeJudge time
#216971#6434. Paimon SortingindogentAC ✓327ms4480kbC++141.1kb2023-10-16 10:07:582023-10-16 10:07:58

Judging History

你现在查看的是最新测评结果

  • [2023-10-16 10:07:58]
  • 评测
  • 测评结果:AC
  • 用时:327ms
  • 内存:4480kb
  • [2023-10-16 10:07:58]
  • 提交

answer

#include <bits/stdc++.h>
using namespace std;
const int N = 1e5 + 5;
int f[N], bit[N];
int n;
void add(int x) {
    for (int i = x; i <= n; i += (i & (-i)))
        bit[i]++;
};
int query(int x) {
    int res = 0;
    while (x > 0) {
        res += bit[x];
        x -= (x & (-x));
    }
    return res;
};
void solve() {
    cin >> n;
    for (int i = 0; i <= n; i++)
        f[i] = bit[i] = 0;
    long long cur = 0;
    int tot = 0, owe = 0, dx = 0;
    for (int i = 0, x; i < n; i++) {
        cin >> x;
        f[i] = x;
        if (query(x) == query(x - 1))
            add(x), ++tot;
        else if (dx == 0 && f[i] == f[0]) {
            dx = 1;
        }
        if (f[i] > f[0]) {
            swap(f[i], f[0]);
            ++cur;
            cur += owe;
            owe = 0;
            dx = 0;
        }
        owe += dx;
        cur += tot - query(f[i]);
        cout << cur;
        cout << (i != n - 1 ? ' ' : '\n');
    }
}
int main() {
    ios::sync_with_stdio(false);
    int t;
    cin >> t;
    while (t--) {
        solve();
    }
    return 0;
}

Details

Tip: Click on the bar to expand more detailed information

Test #1:

score: 100
Accepted
time: 0ms
memory: 3644kb

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: 0
Accepted
time: 327ms
memory: 4480kb

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 27 29 30 34 36 42 46 55
0
0 0
0 1 1
0 2 4 6 9 9 9 11 15 21 27 33 35 38 42 46 55
0 0 3
0 1 3 5 8 10 14
0 1 3 4 6 9 9
0 1 1 3 7 11 ...

result:

ok 6107 lines