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QOJ

IDProblemSubmitterResultTimeMemoryLanguageFile sizeSubmit timeJudge time
#158574#7108. Couleurucup-team1453#AC ✓2590ms38792kbC++142.2kb2023-09-02 16:42:592023-09-02 16:42:59

Judging History

你现在查看的是最新测评结果

  • [2023-09-02 16:42:59]
  • 评测
  • 测评结果:AC
  • 用时:2590ms
  • 内存:38792kb
  • [2023-09-02 16:42:59]
  • 提交

answer

#include<bits/stdc++.h>
#define L(i, j, k) for(int i = (j); i <= (k); i++)
#define R(i, j, k) for(int i = (j); i >= (k); i--)
#define sz(a) ((int) a.size())
#define vi vector<int>
#define ll long long
#define me(f, x) memset(f, x, sizeof(f))  
#define ull unsigned long long 
using namespace std;
const int N = 2e5 + 7, M = N * 20; 
int n, a[N];
int sum[M], ch[M][2], tot;
void add(int &x, int L, int R, int p) {
	++tot, ch[tot][0] = ch[x][0], ch[tot][1] = ch[x][1], sum[tot] = sum[x] + 1, x = tot;
	if(L == R) return ;
	int mid = (L + R) >> 1;
	p <= mid ? add(ch[x][0], L, mid, p) : add(ch[x][1], mid + 1, R, p);
} 
int query(int x, int L, int R, int l, int r) {
	if(l <= L && R <= r) return sum[x];
	int mid = (L + R) >> 1, ret = 0;
	if(l <= mid) ret += query(ch[x][0], L, mid, l, r);
	if(r > mid) ret += query(ch[x][1], mid + 1, R, l, r);
	return ret;
}
int hd[N];
ll fen[N];
inline ll get(int l, int r) {
	ll ans = 0;
	L(i, l + 1, r) 
		ans += 
		query(hd[i - 1], 0, n + 1, a[i] + 1, n + 1) - 
		query(hd[l - 1], 0, n + 1, a[i] + 1, n + 1);
	return ans;
}
void Main() {
	cin >> n;
	L(i, 1, n) {
		cin >> a[i], hd[i] = hd[i - 1], add(hd[i], 0, n + 1, a[i]);
	}
	set < int > st;
	st.insert(0), st.insert(n + 1);
	multiset < ll > ans;
	ans.insert(get(1, n));
	fen[1] = get(1, n);
	L(i, 1, n) {
		ll lst = *--ans.end();
		cout << lst << " \n"[i == n];
		ll u;
		cin >> u, u ^= lst;
		auto p = st.lower_bound(u);
		int r = *p - 1;
		int l = *--p + 1;
		st.insert(u);
		ans.erase(ans.lower_bound(fen[l]));
		ll cur = fen[l];
		if(u - l > r - u) {
			R(i, r, u) {
				cur -= 
				query(hd[i - 1], 0, n + 1, a[i] + 1, n + 1) - 
				query(hd[l - 1], 0, n + 1, a[i] + 1, n + 1);
			}
			fen[l] = cur;
			fen[u + 1] = get(u + 1, r);
		} else {
			L(i, l, u) {
				cur -= 
				query(hd[r], 0, n + 1, 0, a[i] - 1) - 
				query(hd[i], 0, n + 1, 0, a[i] - 1);
			}
			fen[l] = get(l, u - 1);
			fen[u + 1] = cur;
		}
		ans.insert(fen[l]);
		ans.insert(fen[u + 1]);
	}
	L(i, 1, tot) ch[i][0] = ch[i][1] = 0, sum[i] = 0;
	tot = 0;
}
int main() {
	ios :: sync_with_stdio (false);
	cin.tie (0); cout.tie (0);
	int t; cin >> t; 
	while(t--) Main();
	return 0;
} 

这程序好像有点Bug,我给组数据试试?

Details

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Test #1:

score: 100
Accepted
time: 2ms
memory: 3660kb

input:

3
5
4 3 1 1 1
5 4 5 3 1
10
9 7 1 4 7 8 5 7 4 8
21 8 15 5 9 2 4 5 10 6
15
4 8 8 1 12 1 10 14 7 14 2 9 13 10 3
37 19 23 15 7 2 10 15 2 13 4 5 8 7 10

output:

7 0 0 0 0
20 11 7 2 0 0 0 0 0 0
42 31 21 14 14 4 1 1 1 0 0 0 0 0 0

result:

ok 3 lines

Test #2:

score: 0
Accepted
time: 2590ms
memory: 38792kb

input:

11116
10
10 5 10 3 6 4 8 5 9 8
31 27 24 11 12 3 0 2 3 1
10
8 2 7 2 8 10 1 10 9 10
6 5 2 13 2 1 0 1 3 1
10
7 10 7 6 1 3 10 6 7 9
21 18 10 1 6 5 4 8 9 10
10
2 10 4 8 8 5 7 2 6 7
20 10 9 1 15 0 4 2 9 7
10
1 2 3 4 5 6 7 8 9 10
1 2 3 4 5 6 7 8 9 10
10
1 2 3 4 5 6 7 8 9 10
6 3 5 2 7 10 9 1 4 8
10
1 10 1 3...

output:

21 18 16 12 10 6 4 1 1 0
12 12 10 10 4 4 4 2 1 0
20 16 9 5 3 3 3 0 0 0
22 14 8 8 5 5 2 1 1 0
0 0 0 0 0 0 0 0 0 0
0 0 0 0 0 0 0 0 0 0
19 12 7 4 4 2 2 1 0 0
20 18 8 3 1 1 0 0 0 0
45 21 21 10 3 3 3 0 0 0
17 11 8 2 1 1 1 0 0 0
13 4 1 0 0 0 0 0 0 0
29 27 22 15 9 7 4 3 1 0
26 16 9 2 1 1 1 1 1 0
0 0 0 0 0 ...

result:

ok 11116 lines

Extra Test:

score: 0
Extra Test Passed