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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 Sortinghhhhyf#WA 88ms5000kbC++201.8kb2024-10-09 12:52:332024-10-09 12:52:34

Judging History

你现在查看的是最新测评结果

  • [2024-10-09 12:52:34]
  • 评测
  • 测评结果:WA
  • 用时:88ms
  • 内存:5000kb
  • [2024-10-09 12:52:33]
  • 提交

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'