QOJ.ac

QOJ

IDProblemSubmitterResultTimeMemoryLanguageFile sizeSubmit timeJudge time
#406866#5089. 环覆盖valeriu#0 1ms3520kbC++201.1kb2024-05-07 19:25:552024-05-07 19:25:55

Judging History

你现在查看的是最新测评结果

  • [2024-05-07 19:25:55]
  • 评测
  • 测评结果:0
  • 用时:1ms
  • 内存:3520kb
  • [2024-05-07 19:25:55]
  • 提交

answer

#include <bits/stdc++.h>
#define all(x) (x).begin(),(x).end()
using namespace std;

using ll = long long;
using ld = long double;

//#define int ll
#define sz(x) ((int)(x).size())

using pii = pair<int,int>;
using tii = tuple<int,int,int>;

const int nmax = 26;

vector<pii> edgs;

int rez[nmax];

void bkt(int ones, int twos, int p) {
   if(p == sz(edgs)) {
      if(ones) return;
      rez[__builtin_popcount(twos)]++;
      return;
   }
   bkt(ones, twos, p + 1);
   int a = (1 << edgs[p].first), b = (1 << edgs[p].second);
   if(twos & a) return;
   else if(ones & a) ones &= ~a, twos |= a;
   else ones |= a;
   if(twos & b) return;
   else if(ones & b) ones &= ~b, twos |= b;
   else ones |= b;
   
   bkt(ones, twos, p + 1);
}

signed main() {
   cin.tie(0) -> sync_with_stdio(0);
   int n, m;
   cin >> n >> m;
   edgs.resize(m);
   for(auto &[a, b] : edgs) cin >> a >> b, --a, --b;
   bkt(0, 0, 0);
   
   for(int i = 0; i <= n; i++)
      cout << rez[i] << ' ';
   cout << '\n';
   
   
}

/**
      Istenem! Nu poate fi real.
-- Surse verificate
*/


Details

Tip: Click on the bar to expand more detailed information

Subtask #1:

score: 0
Wrong Answer

Test #1:

score: 0
Wrong Answer
time: 1ms
memory: 3520kb

input:

10 9
3 5
3 10
4 7
4 8
5 6
5 9
6 9
7 9
9 10

output:

1 0 0 1 1 1 0 0 0 0 0 

result:

wrong answer Output contains longer sequence [length = 11], but answer contains 10 elements

Subtask #2:

score: 0
Skipped

Dependency #1:

0%

Subtask #3:

score: 0
Time Limit Exceeded

Test #31:

score: 0
Time Limit Exceeded

input:

25 45
1 6
1 12
1 17
2 3
2 4
2 6
3 6
3 8
4 5
4 12
4 16
5 17
6 21
7 14
7 22
7 23
8 15
8 19
8 24
9 11
9 19
9 23
9 25
10 17
10 18
11 16
11 19
11 22
12 19
13 18
14 19
15 19
16 24
17 19
17 22
17 25
18 19
18 21
18 24
19 23
20 22
21 25
22 23
23 25
24 25

output:


result:


Subtask #4:

score: 0
Skipped

Dependency #2:

0%

Subtask #5:

score: 0
Skipped

Dependency #4:

0%