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QOJ
ID | 题目 | 提交者 | 结果 | 用时 | 内存 | 语言 | 文件大小 | 提交时间 | 测评时间 |
---|---|---|---|---|---|---|---|---|---|
#468635 | #6434. Paimon Sorting | MCdyc | WA | 112ms | 4544kb | C++20 | 2.1kb | 2024-07-08 21:54:42 | 2024-07-08 21:54:43 |
Judging History
answer
#include <bits/stdc++.h>
using namespace std;
#define all(x) x.begin(), x.end()
// #define int long long
template <typename T> class fenwick
{
vector<T> a;
int n;
public:
fenwick(int x) : a(x + 1)
{
n = x;
}
fenwick(vector<T> &t) : a(t)
{
n = t.size() - 1;
init();
}
fenwick(vector<T> &t, int x) : a(t)
{
n = x;
init();
}
int lowbit(int x)
{
return x & -x;
}
void add(int x, T k)
{
while (x <= n)
{
a[x] += k;
x = x + lowbit(x);
}
}
void change(int x, T k)
{
T temp = sum(x) - sum(x - 1);
add(x, k - temp);
}
T sum(int x)
{
int ans = 0;
while (x > 0)
{
ans = ans + a[x];
x -= lowbit(x);
}
return ans;
}
int get(int l, int r)
{
if (l > r)
{
return 0;
}
return sum(r) - sum(l - 1);
}
void init()
{
for (int i = 1; i <= n; ++i)
{
int j = i + lowbit(i);
if (j <= n)
a[j] += a[i];
}
}
};
int solve()
{
int n;
cin >> n;
vector<int> a(n);
vector<int> pos(n + 1);
for (auto &i : a)
{
cin >> i;
}
int ans = -2;
fenwick<int> t(n);
int maxx = 0;
for (int i = 0; i < n; i++)
{
if (a[i] > maxx)
{
ans += max(0, (i - (pos[maxx] ? pos[maxx] : 998244353))) + 2;
}
else if (a[i] <= maxx)
{
ans += t.get(a[i] + 1, n);
}
if (t.get(a[i], a[i]) && pos[a[i]] == 0)
{
pos[a[i]] = i;
}
t.change(a[i], 1);
cout << ans << " \n"[i == n - 1];
maxx = max(maxx, a[i]);
}
return 0;
}
signed main()
{
ios::sync_with_stdio(false);
cin.tie(nullptr);
cout.tie(nullptr);
int test = 1;
cin >> test;
while (test--)
{
solve();
}
return 0;
}
详细
Test #1:
score: 100
Accepted
time: 0ms
memory: 3780kb
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: 112ms
memory: 4544kb
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:
wrong answer 6104th lines differ - expected: '0 0 1 2 4 7 10 14 18 22 27 32 ...161222304 3161285479 3161348654', found: '0 0 1 2 4 7 10 14 18 22 27 32 ...3744992 -1133681817 -1133618642'