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#258980#5466. Permutation Compressionkai_weiWA 1ms3468kbC++202.6kb2023-11-20 15:07:032023-11-20 15:07:05

Judging History

你现在查看的是最新测评结果

  • [2023-11-20 15:07:05]
  • 评测
  • 测评结果:WA
  • 用时:1ms
  • 内存:3468kb
  • [2023-11-20 15:07:03]
  • 提交

answer

#include <bits/stdc++.h>
using namespace std;
int main() {
    int t;
    cin >> t;
    while (t--) {
        int n, m, k;
        cin >> n >> m >> k;
        vector<int> a(n + 1), query(n + 1), tool(k + 1);
        for (int i = 1; i <= n; i++) {
            cin >> a[i];
        }
        for (int i = 1; i <= m; i++) {
            int x;
            cin >> x;
            query[x] = 1;
        }
        for (int i = 1; i <= k; i++) {
            cin >> tool[i];
        }
        sort(tool.begin() + 1, tool.end(), greater<int>());
        vector<int> st;
        vector<pair<int, int>> inter(n + 1);
        for (int i = 1; i <= n; i++) {
            while (!st.empty() && a[st.back()] < a[i]) {
                // cout << a[st.back()] << ' ' << a[i] << ' ' << i << endl;
                inter[a[st.back()]].second = i - 1;
                // 计算每个数区间的右端点
                st.pop_back();
            }
            st.push_back(i);
        }
        while (!st.empty()) {
            inter[a[st.back()]].second = n;
            st.pop_back();
        }
        for (int i = n; i >= 1; i--) {
            while (!st.empty() && a[st.back()] < a[i]) {
                inter[a[st.back()]].first = i + 1;
                // 计算每个数区间的左端点
                st.pop_back();
            }
            st.push_back(i);
        }
        while (!st.empty()) {
            inter[a[st.back()]].first = 1;
            st.pop_back();
        }
        // int cnt = 0;
        //  for (int i = 1; i <= n; i++) {
        //      cout << ++cnt << ' ';
        //      cout << inter[i].first << ' ' << inter[i].second << endl;
        //  }
        int pos = 1;
        int ans = 0;
        for (int i = n; i >= 1; i--) {
            if (query[i] == 0) {
                int len = inter[i].second - inter[i].first + 1;
                // cout << len << ' ' << i << endl;
                while (pos <= k && len < tool[pos]) {
                    pos++;
                }
                if (pos > k) {
                    ans = -1;
                    break;
                }
                pos++;
                if (i != 1 && query[i - 1] == 0) {
                    if (inter[i].first >= inter[i - 1].first && inter[i].second <= inter[i - 1].second) {
                        inter[i - 1].first = inter[i].first;
                        inter[i - 1].second = inter[i].second - 1;
                    }
                }
            }
        }
        // cout << pos << endl;
        if (ans == -1) {
            cout << "NO" << endl;
        } else {
            cout << "YES" << endl;
        }
    }
}

詳細信息

Test #1:

score: 100
Accepted
time: 1ms
memory: 3356kb

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: 3468kb

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
NO
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
YES
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:

wrong answer 5th lines differ - expected: 'YES', found: 'NO'