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IDProblemSubmitterResultTimeMemoryLanguageFile sizeSubmit timeJudge time
#655024#5466. Permutation Compressiontz3528WA 1ms3804kbC++231.7kb2024-10-18 23:51:052024-10-18 23:51:06

Judging History

你现在查看的是最新测评结果

  • [2024-10-18 23:51:06]
  • 评测
  • 测评结果:WA
  • 用时:1ms
  • 内存:3804kb
  • [2024-10-18 23:51:05]
  • 提交

answer

#include<bits/stdc++.h>

using namespace std;
typedef long long ll;
typedef pair<int, int> pii;

const int N = 2e5 + 10;

int tr[N];
int n, m, k;

int lowbit(int x) {
	return x & -x;
}

void add(int pos, int d) {
	if(pos <= 0) return ;
	for(int i = pos; i <= n; i += lowbit(i)) {
		tr[i] += d;
	}
}

int query(int pos) {
	int res = 0;
	if(pos <= 0) return 0;
	for(int i = pos; i; i -= lowbit(i)) {
		res += tr[i];
	}
	return res;
}

void solve() {
	
	cin >> n >> m >> k;
	std::vector<int> pos(n + 1), has(n + 1);
	for(int i = 1, x; i <= n; i ++ ) {
		cin >> x;
		pos[x] = i;
	}
	vector<int> a(m + 1);
	for(int i = 1, x; i <= m; i ++ ) {
		cin >> x;
		has[x] = 1;
		a[i] = x;
	}
	int flag=0;
	for(int i = 1; i < m; i ++ ) {
		if(pos[a[i + 1]] < pos[a[i]]) {
			flag=1;
		}
	}
	multiset<int> st;
	st.insert(0);
	st.insert(n + 1);
	for(int i = 1, x; i <= k; i ++ ) {
		cin >> x;
		st.insert(x);
	}
	if(flag){
		cout<<"NO\n";
		return ;
	}
	set<int> p;
	p.insert(0);
	p.insert(n + 1);
	bool fg = 0;
	vector<int> need_del(n + 1);
	for(int i = n; i >= 1; i -- ) {
		if(!has[i]) {
			auto it = p.upper_bound(pos[i]);
			int l = *prev(it), r = *it;
			int w = r - l - 1-(query(r)-query(l));
			auto it2 = prev(st.upper_bound(w));
			if(*it2 == 0) {
				fg = 1;
				break;
			} else {
//				cout<<pos[i]<<endl;
				add(pos[i],1);
				st.erase(it2);
			}
		} else {
			p.insert(pos[i]);
		}
	}
	for(int i=1;i<=n+1;i++) tr[i]=0;
	if(fg) {
		cout << "NO\n";
	} else {
		cout << "YES\n";
	}
}

int main() {
	ios::sync_with_stdio(false);
	cin.tie(0), cout.tie(0);
	
	int t = 1;
	cin >> t;
	while(t -- ) {
		solve();
	}
	
	return 0;
}

Details

Tip: Click on the bar to expand more detailed information

Test #1:

score: 100
Accepted
time: 0ms
memory: 3804kb

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: 0
Accepted
time: 1ms
memory: 3476kb

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
YES
YES
YES
YES
YES
YES
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
YE...

result:

ok 100 lines

Test #3:

score: -100
Wrong Answer
time: 0ms
memory: 3624kb

input:

99
6 1 6
1 5 3 4 2 6
1
1 2 1 1 1 6
1 1 1
1
1
1
4 1 3
3 4 1 2
1
1 1 2
2 2 1
2 1
2 1
2
1 1 1
1
1
1
2 1 2
1 2
2
1 2
1 1 1
1
1
1
1 1 1
1
1
1
3 2 2
3 2 1
2 1
1 2
3 3 1
2 3 1
2 3 1
1
6 1 5
3 4 2 5 6 1
3
4 2 1 1 1
6 4 4
1 6 5 2 3 4
1 2 3 4
5 4 4 6
2 1 1
1 2
1
1
6 5 1
2 1 4 5 6 3
2 1 4 6 3
2
6 3 6
5 6 2 1 3...

output:

YES
YES
YES
YES
YES
YES
YES
YES
YES
YES
YES
YES
YES
YES
NO
NO
YES
YES
YES
YES
YES
YES
YES
YES
YES
NO
YES
YES
YES
YES
YES
YES
YES
YES
YES
YES
YES
YES
YES
YES
NO
YES
YES
YES
YES
YES
YES
YES
YES
NO
YES
YES
YES
NO
YES
YES
YES
NO
YES
YES
NO
YES
NO
YES
NO
YES
YES
YES
YES
YES
YES
NO
YES
NO
NO
YES
YES
YES
Y...

result:

wrong answer 49th lines differ - expected: 'NO', found: 'YES'