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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
#707431#8838. Jesse's JobaYi_7#WA 1ms3580kbC++171.6kb2024-11-03 15:57:212024-11-03 15:57:22

Judging History

你现在查看的是最新测评结果

  • [2024-11-03 15:57:22]
  • 评测
  • 测评结果:WA
  • 用时:1ms
  • 内存:3580kb
  • [2024-11-03 15:57:21]
  • 提交

answer

#include <bits/stdc++.h>

#define int long long
// using namespace std;

void solve() {
    int n;
    std::cin >> n;

    std::vector<int> a(n + 1);
    for(int i = 1; i <= n; i++) {
        std::cin >> a[i];
    }
    std::vector<std::vector<int>> ans;
    std::vector<bool> b(n + 1);
    for(int i = 1; i <= n; i++) {
        if(b[i] == true) continue;
        int j = i;
        std::vector<int> res;
        res.emplace_back(j);
        while(a[j] != i ) {
            b[j] = true;
            res.emplace_back(a[j]);
            j = a[j];
        }
        b[j] = true;
        ans.emplace_back(res);
    }

    if(ans.size() == 1) {
        std::cout << n - 2 << '\n';
        if(n == 2) {
            std::cout << 1 << '\n' << 1 << '\n';
            return ;
        }
        std::vector<int> res;
        // std::vector<bool> v(n + 1);
        int j = 1;
        res.emplace_back(j);
        while(a[j] > j) {
            res.emplace_back(a[j]);
            j = a[j];
        } 
        std::cout << res.size() << '\n';
        for(auto &i : res) std::cout << i << ' ';
        std::cout << '\n';
    }else {
        std::cout << n << '\n';
        std::cout << ans[0].size() << '\n';
        for(auto &i : ans[0]) std::cout << i << ' ';
        std::cout << '\n';
    }

}

/*
3
2
2 1
4
2 1 4 3
6
3 5 4 2 6 1
*/

signed main() {
    std::ios::sync_with_stdio(false);
    std::cin.tie(nullptr);

    int t = 1;
    std::cin >> t;
    for (int i = 0; i < t; ++i) {
        solve();
    }

    return 0;
}

詳細信息

Test #1:

score: 100
Accepted
time: 0ms
memory: 3580kb

input:

3
2
2 1
4
2 1 4 3
6
3 5 4 2 6 1

output:

0
1
1
4
2
1 2 
4
3
1 3 4 

result:

ok Correct (3 test cases)

Test #2:

score: -100
Wrong Answer
time: 1ms
memory: 3580kb

input:

872
6
1 5 2 6 3 4
6
5 2 1 3 4 6
4
2 1 3 4
6
2 3 1 4 5 6
6
4 5 1 6 2 3
6
6 2 3 1 4 5
5
2 1 3 4 5
6
1 2 6 4 3 5
4
2 1 4 3
6
1 6 4 2 5 3
6
6 1 3 5 4 2
6
2 1 4 5 6 3
6
3 4 1 5 6 2
6
4 1 5 3 2 6
6
5 2 1 6 3 4
6
4 1 6 2 5 3
6
5 1 3 6 2 4
6
6 2 5 4 3 1
6
6 2 5 3 1 4
6
5 2 4 1 3 6
6
6 1 3 2 4 5
6
2 3 4 6 5 ...

output:

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

result:

wrong answer Participant didn't find permutation (test case 30)