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QOJ

IDProblemSubmitterResultTimeMemoryLanguageFile sizeSubmit timeJudge time
#693367#6434. Paimon Sortingzth#AC ✓92ms5368kbC++231.5kb2024-10-31 16:01:422024-10-31 16:01:44

Judging History

你现在查看的是最新测评结果

  • [2024-10-31 16:01:44]
  • 评测
  • 测评结果:AC
  • 用时:92ms
  • 内存:5368kb
  • [2024-10-31 16:01:42]
  • 提交

answer

#include <bits/stdc++.h>
#define int long long
using namespace std;

const int N = 1e5 + 5;
int n, a[N];
bool vis[N];

class BIT{
    private:
        int n, f[N];
        int lowbit(int i)
        {
            return i & -i;
        }
    public:
        void init(int n)
        {
            this->n = n;
            for(int i = 1;i <= n;++i) f[i] = 0;
        }
        void add(int x, int i)
        {
            for(;x <= n;x += lowbit(x)) f[x] += i;
        }
        int get(int x)
        {
            int res = 0;
            for(;x;x -= lowbit(x)) res += f[x];
            return res;
        }
} bit;

void solve()
{
    cin >> n;
    for(int i = 1;i <= n;++i) cin >> a[i];
    bit.init(n);
    for(int i = 1;i <= n;++i) vis[i] = 0;
    int ans = 0, maxv = a[1], cur = 1, suc = 0;
    bit.add(a[1], 1);
    vis[a[1]] = 1;
    cout << ans;
    for(int i = 2;i <= n;++i)
    {
        if(a[i] > maxv)
        {
            ans += 2;
            if(suc) ans += i - suc;
            suc = 0;
            bit.add(a[i], 1);
            vis[a[i]] = 1;
            ++cur;
            maxv = a[i];
        }
        else
        {
            ans += cur - bit.get(a[i]);
            if(!vis[a[i]]) bit.add(a[i], 1), vis[a[i]] = 1, ++cur;
            if(a[i] == maxv && !suc) suc = i;
        }
        cout << ' ' << ans;
    }
    cout << '\n';
}

signed main()
{
    cin.tie(0)->sync_with_stdio(0);
    int t = 1;
    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: 3604kb

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: 92ms
memory: 5368kb

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