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QOJ
ID | Problem | Submitter | Result | Time | Memory | Language | File size | Submit time | Judge time |
---|---|---|---|---|---|---|---|---|---|
#692468 | #6434. Paimon Sorting | RegistrationError# | WA | 225ms | 8944kb | C++20 | 1.9kb | 2024-10-31 14:33:41 | 2024-10-31 14:33:42 |
Judging History
answer
#include <bits/stdc++.h>
#define all(a) begin(a), end(a)
#define sz(a) (int) (a).size()
#define int long long
using namespace std;
vector<int> brute(int n, const vector<int>& a) {
vector<int> ans;
for (int pf = 1; pf <= n; pf++) {
vector<int> b(a.begin(), a.begin() + pf);
int cnt = 0;
for (int i = 0; i < pf; i++) {
for (int j = 0; j < pf; j++) {
if (b[i] < b[j]) {
swap(b[i], b[j]);
cnt++;
}
}
}
ans.push_back(cnt);
}
return ans;
}
const int N = 1e5 + 11;
struct BIT{
int bit[N];
void add(int p, int v) {
for (int i = p; i < N; i += i & -i) {
bit[i] += v;
}
}
int qry(int p) {
int res = 0;
for (int i = p; i; i -= i & -i) {
res += bit[i];
}
return res;
}
} bit;
vector<int> calc(int n, const vector<int>& a) {
vector<int> ans(n);
int inv = 0, num_eq = 0, chain = 0, cur_max = 0;
for (int i = 0; i < n; i++) {
inv += bit.qry(n) - bit.qry(a[i]);
if (bit.qry(a[i]) == bit.qry(a[i] - 1))
bit.add(a[i], 1);
if (a[i] == cur_max) num_eq++;
else if (a[i] > cur_max) cur_max = a[i], chain++;
ans[i] = inv + num_eq + (chain - 1) * 2;
// cout << inv << ' ' << num_eq << ' ' << chain << endl;
}
set<int> s (all(a));
for (auto v : s) {
bit.add(v, -1);
}
return ans;
}
void solve() {
int n; cin >> n;
vector<int> a(n);
for (int i = 0; i < n; i++) {
cin >> a[i];
}
vector<int> ans = calc(n, a);
for (int i = 0; i < n; i++) {
cout << ans[i] << " \n"[i == n - 1];
}
}
int32_t main() {
cin.tie(0)->sync_with_stdio(false);
int t = 1; cin >> t;
while (t--) {
solve();
}
}
Details
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Test #1:
score: 100
Accepted
time: 1ms
memory: 3592kb
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: 225ms
memory: 8944kb
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 7 9 11 15 18 19 23 26 0 1 3 5 7 8 11 16 22 26 27 32 34 38 43 44 0 1 3 5 7 9 11 17 19 23 0 1 3 4 5 9 11 13 17 19 21 23 24 28 30 36 40 49 0 0 1 0 1 2 0 2 4 6 9 10 11 13 17 19 25 31 33 36 40 44 53 0 1 3 0 1 3 5 8 10 14 0 1 3 4 6 9 10 0 1 2 4 6 ...
result:
wrong answer 2nd lines differ - expected: '0 2 4 6 6 8 10 14 17 18 22 25', found: '0 2 4 6 7 9 11 15 18 19 23 26'