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IDProblemSubmitterResultTimeMemoryLanguageFile sizeSubmit timeJudge time
#259450#5466. Permutation Compressionandyc_03WA 1ms5812kbC++141.6kb2023-11-20 22:26:572023-11-20 22:26:58

Judging History

你现在查看的是最新测评结果

  • [2023-11-20 22:26:58]
  • 评测
  • 测评结果:WA
  • 用时:1ms
  • 内存:5812kb
  • [2023-11-20 22:26:57]
  • 提交

answer

#include <bits/stdc++.h>
using namespace std;
const int maxn = 2e5 + 5;
int n, m, k;
int ex[maxn], a[maxn], rev[maxn], len[maxn];
set <int> pos;
vector <int> res;
bool cmp(int x, int y)
{
	return x > y;
}
int c[maxn];
int lowbit(int x)
{
	return x & (-x);
}
void add(int x)
{
	while (x <= n) {
		c[x]++;
		x += lowbit(x);
	}
}
int query(int x)
{
	int rres = 0;

	while (x) {
		rres += c[x];
		x -= lowbit(x);
	}
	return rres;
}
int main()
{
	int T; scanf("%d", &T);
	int cnTT = 0;

	while (T--) {
		cnTT++;
		scanf("%d%d%d", &n, &m, &k);
		for (int i = 1; i <= n; i++) {
			scanf("%d", &a[i]), rev[a[i]] = i;
			ex[i] = 0; c[i] = 0;
		}
		int posi = 0, flag = 0;
		for (int i = 1; i <= m; i++) {
			int x; scanf("%d", &x);

			while (posi <= n && a[posi] != x) posi++;
			if (posi > n) flag = 1;
			ex[x] = 1;
		}
		for (int i = 1; i <= k; i++)
			scanf("%d", &len[i]);
		sort(len + 1, len + k + 1, cmp);
		pos.clear(); res.clear();
		pos.insert(0);
		pos.insert(n + 1);
		for (int i = n; i >= 1; i--) {
			int p = rev[i];
			auto pr = pos.lower_bound(p);
			auto pl = pr; pl--;
			if (!ex[i])
				res.push_back((*pr) - (*pl) - query(*(pr)) + query(*(pl)) - 1), add(rev[i]);
			else pos.insert(rev[i]);
		}
		sort(res.begin(), res.end(), cmp);
		int now = 1;
		for (int i = 0; i < res.size(); i++) {
			// printf("%d ", res[i]);
			while (now <= k && len[now] > res[i]) now++;
			if (now > k) {
				flag = 1;
				break;
			}
			now++;
		}
		// printf("\n");
		if (!flag) printf("YES\n");
		else printf("NO\n");
	}
	return 0;
}

Details

Tip: Click on the bar to expand more detailed information

Test #1:

score: 100
Accepted
time: 1ms
memory: 5588kb

input:

3
5 2 3
5 1 3 2 4
5 2
1 2 4
5 5 5
1 2 3 4 5
1 2 3 4 5
1 2 3 4 5
3 2 2
3 1 2
3 2
2 3

output:

YES
YES
NO

result:

ok 3 lines

Test #2:

score: -100
Wrong Answer
time: 1ms
memory: 5812kb

input:

100
2 1 2
2 1
2
1 1
2 1 2
1 2
1
2 2
2 1 1
1 2
1
2
6 1 5
3 4 2 5 6 1
3
5 2 1 1 1
6 1 6
2 1 3 6 4 5
1
4 1 2 2 1 4
3 3 2
2 1 3
2 1 3
2 2
1 1 1
1
1
1
1 1 1
1
1
1
2 1 2
2 1
2
1 2
4 4 3
2 1 3 4
2 1 3 4
4 3 1
1 1 1
1
1
1
6 5 1
6 2 5 4 3 1
6 2 4 3 1
4
1 1 1
1
1
1
6 5 3
3 6 1 4 5 2
3 6 1 4 2
3 3 4
4 3 4
3 4 ...

output:

YES
YES
YES
YES
YES
YES
YES
YES
YES
YES
YES
YES
YES
YES
YES
YES
YES
YES
YES
YES
YES
YES
NO
YES
YES
YES
YES
NO
YES
YES
YES
YES
YES
YES
YES
YES
YES
YES
NO
NO
NO
YES
YES
NO
NO
YES
NO
YES
YES
YES
YES
NO
YES
YES
YES
YES
YES
NO
YES
YES
YES
YES
YES
YES
NO
YES
YES
YES
YES
YES
YES
YES
NO
YES
YES
YES
YES
YES
...

result:

wrong answer 47th lines differ - expected: 'YES', found: 'NO'