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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 |
---|---|---|---|---|---|---|---|---|---|
#623537 | #6434. Paimon Sorting | hhhhyf# | WA | 88ms | 5000kb | C++20 | 1.8kb | 2024-10-09 12:52:33 | 2024-10-09 12:52:34 |
Judging History
answer
#include <bits/stdc++.h>
using namespace std;
#define all(a) a.begin(), a.end()
void print() { cout << '\n'; }
template <typename T, typename...Args>
void print(T t, Args...args) { cout << t << ' '; print(args...); }
using ll = long long;
const int N = 200010;
int dir[4][2] = {
{1, 0}, {0, 1}, {-1, 0}, {0, -1}
};
template <typename T> bool chmax(T &x, T y) { if (y > x) { x = y; return true; } return false; }
template <typename T> bool chmin(T &x, T y) { if (y < x) { x = y; return true; } return false; }
template <typename T = int>
vector<T> readVector(int n) {
vector<T> a(n);
for(T &x: a) cin >> x;
return a;
}
struct Fenwick {
vector<ll> tr;
int n;
Fenwick (int n): n(n), tr(n + 1) {}
void modify (int x, int v) {
for (int i = x; i <= n; i += i & -i) {
tr[i] += v;
}
}
ll sum (int x) {
ll res = 0;
for (int i = x; i; i -= i & -i) {
res += tr[i];
}
return res;
}
ll query (int l, int r) {
return sum(r) - sum(l - 1);
}
};
void solve () {
int n;
cin >> n;
Fenwick fen(n);
ll ans = 0;
vector<int> a(n + 1);
for (int i = 1; i <= n; i ++) {
cin >> a[i];
if (a[1] >= a[i]) {
fen.modify(a[i], 1);
ans += fen.query(a[i] + 1, n);
} else {
ans ++;
fen.modify(a[1], -1);
fen.modify(a[i], 1);
swap(a[1], a[i]);
ans += fen.query(a[i] + 1, n);
}
cout << ans << " \n"[i == n];
}
}
int main() {
ios::sync_with_stdio(0);
cin.tie(0);
cout.tie(0);
int t = 1;
cin >> t;
while(t --) {
solve();
}
return 0;
}
詳細信息
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: -100
Wrong Answer
time: 88ms
memory: 5000kb
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 3 4 5 7 8 11 12 14 21 23 27 31 32 40 43 57 58 0 2 4 5 5 7 9 14 17 19 23 26 0 1 3 5 6 7 10 15 21 25 25 31 34 40 48 48 0 1 3 5 7 9 10 13 14 17 0 1 3 3 5 9 12 15 20 23 25 27 28 32 34 42 45 57 0 0 0 0 1 1 0 2 3 4 6 6 6 9 15 17 24 31 34 38 43 48 62 0 0 2 0 1 3 4 6 7 11 0 1 3 4 6 8 8 0 1 1 4 6 10 12 1...
result:
wrong answer 1st lines differ - expected: '0 2 4 6 7 9 11 16 17 19 28 31 36 41 43 51 55 67 68', found: '0 2 3 4 5 7 8 11 12 14 21 23 27 31 32 40 43 57 58'