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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
#652980#6131. Tournamentucup-team5217#AC ✓14ms3800kbC++23688b2024-10-18 19:23:392024-10-18 19:23:40

Judging History

你现在查看的是最新测评结果

  • [2024-10-18 19:23:40]
  • 评测
  • 测评结果:AC
  • 用时:14ms
  • 内存:3800kb
  • [2024-10-18 19:23:39]
  • 提交

answer

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

#define endl '\n'

#define maxn 1005

void solve(void) {
    int n, k;
    cin >> n >> k;
    vector<int> ans;
    for (int v = 1; v < n && k; v++) {
        bool chk = true;
        for (int i = 0; i < n && chk; i++) chk &= ((i ^ v) < n);
        if (chk) k--, ans.push_back(v);
    }
    if (k) return cout << "Impossible" << endl, void();
    for (auto i : ans) {
        for (int j = 0; j < n; j++) cout << (i ^ j) + 1 << ' ';
        cout << endl;
    }
    return;
}

int main() {
    ios::sync_with_stdio(false), cin.tie(nullptr);

    int _ = 1;
    cin >> _;
    while (_--) solve();

    return 0;
}

详细

Test #1:

score: 100
Accepted
time: 0ms
memory: 3800kb

input:

2
3 1
4 3

output:

Impossible
2 1 4 3 
3 4 1 2 
4 3 2 1 

result:

ok 4 lines

Test #2:

score: 0
Accepted
time: 1ms
memory: 3584kb

input:

100
1 4
2 1
2 2
2 3
3 6
4 2
4 3
4 4
4 5
5 4
6 1
6 2
6 4
7 1
8 3
8 7
8 8
8 14
9 4
10 1
10 2
10 3
12 2
12 3
12 4
12 8
13 2
14 1
14 2
14 4
15 4
16 9
16 15
16 16
16 28
17 6
18 1
18 2
18 4
19 5
20 1
20 3
20 4
20 6
21 1
22 1
22 2
22 3
23 4
24 5
24 7
24 8
24 15
25 3
26 1
26 2
26 3
27 5
28 1
28 3
28 4
28 6
...

output:

Impossible
2 1 
Impossible
Impossible
Impossible
2 1 4 3 
3 4 1 2 
2 1 4 3 
3 4 1 2 
4 3 2 1 
Impossible
Impossible
Impossible
2 1 4 3 6 5 
Impossible
Impossible
Impossible
2 1 4 3 6 5 8 7 
3 4 1 2 7 8 5 6 
4 3 2 1 8 7 6 5 
2 1 4 3 6 5 8 7 
3 4 1 2 7 8 5 6 
4 3 2 1 8 7 6 5 
5 6 7 8 1 2 3 4 
6 5 8 7 ...

result:

ok 194 lines

Test #3:

score: 0
Accepted
time: 14ms
memory: 3584kb

input:

5
512 511
512 513
896 120
896 130
960 60

output:

2 1 4 3 6 5 8 7 10 9 12 11 14 13 16 15 18 17 20 19 22 21 24 23 26 25 28 27 30 29 32 31 34 33 36 35 38 37 40 39 42 41 44 43 46 45 48 47 50 49 52 51 54 53 56 55 58 57 60 59 62 61 64 63 66 65 68 67 70 69 72 71 74 73 76 75 78 77 80 79 82 81 84 83 86 85 88 87 90 89 92 91 94 93 96 95 98 97 100 99 102 101 ...

result:

ok 693 lines

Test #4:

score: 0
Accepted
time: 0ms
memory: 3640kb

input:

30
184 17
154 3
172 2
138 10
156 13
130 3
168 7
170 4
146 3
198 3
134 11
116 1
132 7
140 2
130 9
174 5
182 4
106 4
174 2
182 2
104 14
168 13
198 1
110 3
176 9
198 9
156 11
148 2
118 10
150 8

output:

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

result:

ok 47 lines