QOJ.ac

QOJ

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
#259004	#5466. Permutation Compression	kai_wei	WA	1ms	3844kb	C++20	3.4kb	2023-11-20 15:40:35	2023-11-20 15:40:35

Judging History

你现在查看的是最新测评结果

[2023-11-20 15:40:35]
评测

测评结果：WA
用时：1ms
内存：3844kb

查看

[2023-11-20 15:40:35]
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), b(n + 1);
        for (int i = 1; i <= n; i++) {
            cin >> a[i];
        }
        for (int i = 1; i <= m; i++) {
            int x;
            cin >> x;
            b[i] = 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;
                    } else if (inter[i].first <= inter[i - 1].first && inter[i].second > inter[i - 1].second) {
                        inter[i - 1].first = inter[i].first + 1;
                        inter[i - 1].second = inter[i].second;
                    }
                }
            }
        }
        // cout << pos << endl;
        if (t == 55) {
            cout << n << ' ' << m << ' ' << k << "|";
            for (int i = 1; i <= n; i++) {
                cout << a[i] << ' ';
            }
            cout << '|';
            for (int i = 1; i <= m; i++) {
                cout << b[i] << ' ';
            }
            cout << '|';
            for (int i = 1; i <= k; i++) {
                cout << tool[i] << ' ';
            }
        }
        if (ans == -1) {
            cout << "NO" << endl;
        } else {
            cout << "YES" << endl;
        }
    }
}
/// 3 3 2|3 2 1 |1 1 1 |3 3

源文件, 语言: C++20

詳細信息

Test #1:

score: 100

Accepted

time: 0ms

memory: 3844kb

input:

output:

YES
YES
NO

result:

ok 3 lines

Test #2:

score: -100

Wrong Answer

time: 1ms

memory: 3796kb

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
3 3 2|3 2 1 |2 3 1 |3 3 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
...

result:

wrong answer 45th lines differ - expected: 'NO', found: '3 3 2|3 2 1 |2 3 1 |3 3 YES'