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QOJ
ID | Problem | Submitter | Result | Time | Memory | Language | File size | Submit time | Judge time |
---|---|---|---|---|---|---|---|---|---|
#212710 | #6434. Paimon Sorting | LinXce | AC ✓ | 128ms | 4612kb | C++14 | 2.4kb | 2023-10-13 19:46:48 | 2023-10-13 19:46:49 |
Judging History
answer
#include <algorithm>
#include <array>
#include <bitset>
#include <cmath>
#include <cstdio>
#include <cstring>
#include <iomanip>
#include <iostream>
#include <map>
#include <numeric>
#include <queue>
#include <set>
#include <unordered_map>
#define fi first
#define se second
#define pb push_back
#define mp make_pair
#define endl '\n'
using namespace std;
using ll = long long;
using db = double;
using pii = pair<int, int>;
const int inf = 0x3f3f3f3f;
const int mod = 998244353;
const int N = 1e5 + 10, M = 1e3 + 10;
ll a[N], n;
int tr[N]; // tr[x]存储[x-2^k(层数),x]即[x-lowbit(x),x]的和,下标从1开始
int lowbit(int x)
{
return x & -x;
}
void add(int x, int v) // 给x位置+v
{
for (int i = x; i <= n; i += lowbit(i)) // 修改该点和上枝的值
tr[i] += v;
} // 使a[x]=b : add(x,b-(query(x)-query(x-1)) )
int query(int x) // 查询1~x前缀和
{
int res = 0;
for (int i = x; i; i -= lowbit(i))
res += tr[i];
return res;
}
void solve()
{
ll ans = 0, top;
cin >> n;
for (int i = 1; i <= n; ++i)
cin >> a[i];
top = a[1];
if (n != 1)
cout << 0 << ' ';
else
cout << 0;
add(a[1], 1);
int flag = 0;
for (int i = 2; i <= n; ++i)
{
if (a[i] > top)
{
ans += 1;
// cout << endl << "top " << top << endl;
add(a[i], 1);
ll pos = query(n) - query(top);
if(flag)ans += pos + (i - flag);
else ans += pos;
top = a[i];
flag = 0;
if (n != i)
cout << ans << ' ';
else
cout << ans;
continue;
}
else if (a[i] == top)
{
if (!flag)
{
flag = i;
}
}
ll pos = query(n) - query(a[i]);
// cout <<endl<< "pos " << query(n) << endl;
ans += pos;
if (query(a[i]) - query(a[i] - 1) == 0)
add(a[i], 1);
if (n != i)
cout << ans << ' ';
else
cout << ans;
}
cout << endl;
for (int i = 1; i <= n; i++)
if (query(a[i]) - query(a[i] - 1) == 1)
add(a[i], -1);
}
int main()
{
ios::sync_with_stdio(false);
cin.tie(nullptr);
int t;
cin >> t;
while (t--)
solve();
return 0;
}
Details
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Test #1:
score: 100
Accepted
time: 0ms
memory: 3496kb
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: 128ms
memory: 4612kb
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