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IDProblemSubmitterResultTimeMemoryLanguageFile sizeSubmit timeJudge time
#629991#9354. Justifying the Conjecturecrimsonsunset#WA 224ms3680kbC++23830b2024-10-11 15:53:112024-10-11 15:53:15

Judging History

你现在查看的是最新测评结果

  • [2024-10-11 15:53:15]
  • 评测
  • 测评结果:WA
  • 用时:224ms
  • 内存:3680kb
  • [2024-10-11 15:53:11]
  • 提交

answer

#include <bits/stdc++.h>

using namespace std;

using ll = long long;
#define ff first
#define ss second
#define all(x) x.begin(), x.end()
#define rall(x) x.rbegin(), x.rend()

bool prime(int n) {
    for (int i = 2; i * i <= n; ++i)
        if (n % i == 0)
            return false;
    return true;
}

void solve() {
    int n;
    cin >> n;
    if (n == 3) {
        cout << "2 1\n";
        return;
    }
    if (n <= 5) {
        cout << "-1\n";
        return;
    }
    if (!prime(n - 2)) {
        cout << "2 " << n - 2 << '\n';
        return;
    }
    if (!prime(n - 3)) {
        cout << "3 " << n - 3 << '\n';
        return;
    }
    assert(false);
}

int main() {
    cin.tie(nullptr)->sync_with_stdio(false);
    int t;
    cin >> t;
    while (t--)
        solve();
}

Details

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Test #1:

score: 100
Accepted
time: 1ms
memory: 3564kb

input:

3
4
6
7

output:

-1
2 4
3 4

result:

ok ok

Test #2:

score: -100
Wrong Answer
time: 224ms
memory: 3680kb

input:

100000
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
8...

output:

-1
-1
2 1
-1
-1
2 4
3 4
2 6
3 6
2 8
2 9
2 10
3 10
2 12
3 12
2 14
2 15
2 16
3 16
2 18
3 18
2 20
2 21
2 22
3 22
2 24
2 25
2 26
2 27
2 28
3 28
2 30
3 30
2 32
2 33
2 34
2 35
2 36
3 36
2 38
2 39
2 40
3 40
2 42
3 42
2 44
2 45
2 46
3 46
2 48
2 49
2 50
2 51
2 52
3 52
2 54
2 55
2 56
2 57
2 58
3 58
2 60
3 60
...

result:

wrong answer y is not a composite number 1