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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
#259162	#5466. Permutation Compression	kai_wei	WA	1ms	3364kb	C++20	2.7kb	2023-11-20 17:40:13	2023-11-20 17:40:13

Judging History

你现在查看的是最新测评结果

[2023-11-20 17:40:13]
评测

测评结果：WA
用时：1ms
内存：3364kb

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[2023-11-20 17:40:13]
提交

answer

#include <bits/stdc++.h>
using namespace std;

const int N = 2e5 + 5;
int tr[N];  // n数的个数
int n, m, k;
int lowbit(int x) {
    return x & (-x);
}
void add(int i, int a) {  // 单点增加
    while (i <= n) {
        tr[i] += a;
        i += lowbit(i);
    }
}
int ask(int i) {  // 前缀和查询
    int ans = 0;
    while (i != 0) {
        ans += tr[i];
        i -= lowbit(i);
    }
    return ans;
}

int main() {
    int t;
    cin >> t;
    while (t--) {
        cin >> n >> m >> k;
        vector<int> pos(n + 1), query(n + 1);
        //b(n + 1);
        multiset<int> tool;
        set<int> inter;
        tr[0] = 0;
        tr[n + 1] = 0;
        for (int i = 1; i <= n; i++) {
            int x;
            cin >> x;
            pos[x] = i;
            tr[i] = 0;
        }
        int last = 0;
        int fl = 0;
        for (int i = 1; i <= m; i++) {
            int x;
            cin >> x;
            //b[i] = x;
            if (pos[last] > pos[x]) {  // 判断顺序
                fl = 1;
            }
            query[x] = 1;
            last = x;
        }
        for (int i = 1; i <= k; i++) {
            int x;
            cin >> x;
            tool.insert(x);
        }
        if (fl) {
            // cout << "x" << endl;
            cout << "NO" << endl;
            continue;
        }
        inter.insert(0);
        inter.insert(n + 1);
        for (int i = n; i >= 1; i--) {
            if (query[i]) {  // 如果要留则直接放入区间
                inter.insert(pos[i]);
                continue;
            }
            auto r = inter.lower_bound(pos[i]);  // 找到右区间
            auto l = prev(r);                    // 找到左区间
            int L = *l, R = *r;
            int len = R - L - (ask(R) - ask(L)) - 1;
           // cout << len << ' ' << i << endl;
            auto it = tool.upper_bound(len);
            // cout << tool.size() << endl;
            if (it == tool.begin()) {
                fl = 1;
                break;
            }
            it = prev(it);  // 找小于等于len的最大值
            tool.erase(it);
            add(pos[i], 1);
        }
        // if(t==48){
        //     cout<<n<<' '<<m<<' '<<k<<'|';
        //     for(int i=1;i<=n;i++){
        //         cout<<pos[i]<<' ';
        //     }
        //     cout<<"|";
        //     for(int i=1;i<=m;i++){
        //         cout<<b[i]<<' ';
        //     }
        //     cout<<"|";
        //     for(auto it:tool){
        //         cout<<it<<' ';
        //     }
        // }
        if (fl) {
            cout << "NO" << endl;
        } else {
            cout << "YES" << endl;
        }
    }
}
// 4 2 3|1 3 2 4 |1 0 1 0 |1 2

源文件, 语言: C++20

詳細信息

Test #1:

score: 100

Accepted

time: 0ms

memory: 3360kb

input:

output:

YES
YES
NO

result:

ok 3 lines

Test #2:

score: 0

Accepted

time: 1ms

memory: 3360kb

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: 1ms

memory: 3364kb

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'