QOJ.ac

QOJ

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
#304149#8004. Bit Componentucup-team087#AC ✓14ms5732kbC++144.2kb2024-01-13 15:15:302024-01-13 15:15:30

Judging History

你现在查看的是最新测评结果

  • [2024-01-13 15:15:30]
  • 评测
  • 测评结果:AC
  • 用时:14ms
  • 内存:5732kb
  • [2024-01-13 15:15:30]
  • 提交

answer

#include <cassert>
#include <cmath>
#include <cstdint>
#include <cstdio>
#include <cstdlib>
#include <cstring>
#include <algorithm>
#include <bitset>
#include <complex>
#include <deque>
#include <functional>
#include <iostream>
#include <limits>
#include <map>
#include <numeric>
#include <queue>
#include <random>
#include <set>
#include <sstream>
#include <string>
#include <unordered_map>
#include <unordered_set>
#include <utility>
#include <vector>

using namespace std;

using Int = long long;

template <class T1, class T2> ostream &operator<<(ostream &os, const pair<T1, T2> &a) { return os << "(" << a.first << ", " << a.second << ")"; };
template <class T> ostream &operator<<(ostream &os, const vector<T> &as) { const int sz = as.size(); os << "["; for (int i = 0; i < sz; ++i) { if (i >= 256) { os << ", ..."; break; } if (i > 0) { os << ", "; } os << as[i]; } return os << "]"; }
template <class T> void pv(T a, T b) { for (T i = a; i != b; ++i) cerr << *i << " "; cerr << endl; }
template <class T> bool chmin(T &t, const T &f) { if (t > f) { t = f; return true; } return false; }
template <class T> bool chmax(T &t, const T &f) { if (t < f) { t = f; return true; } return false; }
#define COLOR(s) ("\x1b[" s "m")


vector<int> uf;
int root(int u) {
  return (uf[u] < 0) ? u : (uf[u] = root(uf[u]));
}
bool connect(int u, int v) {
  u = root(u);
  v = root(v);
  if (u == v) return false;
  if (uf[u] > uf[v]) swap(u, v);
  uf[u] += uf[v];
  uf[v] = u;
  return true;
}


constexpr int E = 22;

int N;
vector<int> us;

bool check() {
  uf.assign(N * E, -1);
  for (int x = 0; x < N; ++x) for (int y = 0; y < E; ++y) if (us[x] >> (y) & 1) {
    if (x + 1 < N && (us[x + 1] >> (y) & 1)) connect(x * E + y, (x + 1) * E + y);
    if (y + 1 < N && (us[x] >> (y + 1) & 1)) connect(x * E + y, x * E + (y + 1));
  }
  int numComps = 0;
  for (int x = 0; x < N; ++x) for (int y = 0; y < E; ++y) if (us[x] >> (y) & 1) {
    if (uf[x * E + y] < 0) ++numComps;
  }
  return (numComps == 1);
}

bool dfs(int i, Int used) {
  if (i == N) {
    if (check()) {
      return true;
    }
  } else {
    for (int &u = us[i] = 1; u <= N; ++u) if (!(used >> u & 1)) {
      if (i == 0 || (us[i - 1] & u)) {
        if (dfs(i + 1, used | 1LL << u)) {
          return true;
        }
      }
    }
  }
  return false;
}

void exper() {
  for (N = 1; ; ++N) {
    us.resize(N);
    const bool res = dfs(0, 0);
    if (res) {
      cerr << N << ": " << us << endl;
      for (int i = 0; i < N; ++i) {
        for (int e = E; --e >= 0; ) {
          cerr << (us[i] >> e & 1);
        }
        cerr << endl;
      }
    } else {
      cerr << N << ": NO" << endl;
    }
  }
}


#define N do_not_use_N
vector<int> solve(int n) {
  if (n == 1) return {1};
  if (n == 3) return {1, 3, 2};
  if (n == 7) return {1, 3, 2, 6, 4, 5, 7};
  if (n <= 7) return {};
  const int t = 31 - __builtin_clz(n);
  const int n0 = (1<<t) + (1<<(t-1)) + 1;
  const int last = (1<<(t+1)) - 1;
  if (n < n0) return {};
  const auto as = solve((1<<t) - 1);
  const auto as1 = solve((1<<(t-1)) - 1);
  auto ret = as;
  ret.push_back(n0);
  for (const int a : as1) {
    ret.push_back((1<<t) + a);
    const int b = (1<<t) + (1<<(t-1)) + a;
    if (n0 < b && b <= n && b < last) {
      ret.push_back(b);
    }
  }
  ret.push_back((1<<t));
  ret.push_back((1<<t) + (1<<(t-1)));
  if (last <= n) {
    ret.push_back(last);
  }
  return ret;
}
#undef N

void stress() {
  // for (N = 1; N <= 100; ++N) {
  for (N = 200'000; N <= 200'000; ++N) {
    us = solve(N);
    cerr << N << ": " << us << endl;
    if (us.size()) {
      for (int i = 0; i < N; ++i) {
        assert(1 <= us[i]); assert(us[i] <= N);
      }
      assert((int)set<int>(us.begin(), us.end()).size() == N);
      assert(check());
    }
  }
}

int main() {
  // exper();
#ifdef LOCAL
  stress();
#endif
  
  for (; ~scanf("%d", &N); ) {
    us = solve(N);
    if (us.size()) {
      puts("YES");
      for (int i = 0; i < N; ++i) {
        if (i) printf(" ");
        printf("%d", us[i]);
      }
      puts("");
    } else {
      puts("NO");
    }
  }
  return 0;
}

这程序好像有点Bug,我给组数据试试?

详细

Test #1:

score: 100
Accepted
time: 0ms
memory: 3748kb

input:

1

output:

YES
1

result:

ok answer is 1

Test #2:

score: 0
Accepted
time: 0ms
memory: 3552kb

input:

2

output:

NO

result:

ok answer is 0

Test #3:

score: 0
Accepted
time: 0ms
memory: 3756kb

input:

3

output:

YES
1 3 2

result:

ok answer is 1

Test #4:

score: 0
Accepted
time: 0ms
memory: 3912kb

input:

4

output:

NO

result:

ok answer is 0

Test #5:

score: 0
Accepted
time: 0ms
memory: 3564kb

input:

5

output:

NO

result:

ok answer is 0

Test #6:

score: 0
Accepted
time: 0ms
memory: 3656kb

input:

6

output:

NO

result:

ok answer is 0

Test #7:

score: 0
Accepted
time: 0ms
memory: 3780kb

input:

7

output:

YES
1 3 2 6 4 5 7

result:

ok answer is 1

Test #8:

score: 0
Accepted
time: 0ms
memory: 3704kb

input:

8

output:

NO

result:

ok answer is 0

Test #9:

score: 0
Accepted
time: 0ms
memory: 3644kb

input:

9

output:

NO

result:

ok answer is 0

Test #10:

score: 0
Accepted
time: 0ms
memory: 3588kb

input:

10

output:

NO

result:

ok answer is 0

Test #11:

score: 0
Accepted
time: 0ms
memory: 3564kb

input:

11

output:

NO

result:

ok answer is 0

Test #12:

score: 0
Accepted
time: 0ms
memory: 3636kb

input:

12

output:

NO

result:

ok answer is 0

Test #13:

score: 0
Accepted
time: 0ms
memory: 3756kb

input:

13

output:

YES
1 3 2 6 4 5 7 13 9 11 10 8 12

result:

ok answer is 1

Test #14:

score: 0
Accepted
time: 0ms
memory: 3756kb

input:

14

output:

YES
1 3 2 6 4 5 7 13 9 11 10 14 8 12

result:

ok answer is 1

Test #15:

score: 0
Accepted
time: 0ms
memory: 3772kb

input:

15

output:

YES
1 3 2 6 4 5 7 13 9 11 10 14 8 12 15

result:

ok answer is 1

Test #16:

score: 0
Accepted
time: 0ms
memory: 3700kb

input:

16

output:

NO

result:

ok answer is 0

Test #17:

score: 0
Accepted
time: 0ms
memory: 3604kb

input:

17

output:

NO

result:

ok answer is 0

Test #18:

score: 0
Accepted
time: 0ms
memory: 3592kb

input:

23

output:

NO

result:

ok answer is 0

Test #19:

score: 0
Accepted
time: 0ms
memory: 3636kb

input:

24

output:

NO

result:

ok answer is 0

Test #20:

score: 0
Accepted
time: 0ms
memory: 4020kb

input:

25

output:

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

result:

ok answer is 1

Test #21:

score: 0
Accepted
time: 0ms
memory: 3768kb

input:

26

output:

YES
1 3 2 6 4 5 7 13 9 11 10 14 8 12 15 25 17 19 18 26 22 20 21 23 16 24

result:

ok answer is 1

Test #22:

score: 0
Accepted
time: 0ms
memory: 4008kb

input:

27

output:

YES
1 3 2 6 4 5 7 13 9 11 10 14 8 12 15 25 17 19 27 18 26 22 20 21 23 16 24

result:

ok answer is 1

Test #23:

score: 0
Accepted
time: 0ms
memory: 3588kb

input:

40

output:

NO

result:

ok answer is 0

Test #24:

score: 0
Accepted
time: 0ms
memory: 4044kb

input:

53

output:

YES
1 3 2 6 4 5 7 13 9 11 10 14 8 12 15 25 17 19 27 18 26 22 30 20 28 21 29 23 16 24 31 49 33 35 51 34 50 38 36 52 37 53 39 45 41 43 42 46 40 44 47 32 48

result:

ok answer is 1

Test #25:

score: 0
Accepted
time: 0ms
memory: 3924kb

input:

93

output:

NO

result:

ok answer is 0

Test #26:

score: 0
Accepted
time: 0ms
memory: 4048kb

input:

105

output:

YES
1 3 2 6 4 5 7 13 9 11 10 14 8 12 15 25 17 19 27 18 26 22 30 20 28 21 29 23 16 24 31 49 33 35 51 34 50 38 54 36 52 37 53 39 55 45 61 41 57 43 59 42 58 46 62 40 56 44 60 47 32 48 63 97 65 67 99 66 98 70 102 68 100 69 101 71 103 77 73 105 75 74 78 72 104 76 79 89 81 83 91 82 90 86 94 84 92 85 93 87...

result:

ok answer is 1

Test #27:

score: 0
Accepted
time: 0ms
memory: 3660kb

input:

132

output:

NO

result:

ok answer is 0

Test #28:

score: 0
Accepted
time: 0ms
memory: 3768kb

input:

221

output:

YES
1 3 2 6 4 5 7 13 9 11 10 14 8 12 15 25 17 19 27 18 26 22 30 20 28 21 29 23 16 24 31 49 33 35 51 34 50 38 54 36 52 37 53 39 55 45 61 41 57 43 59 42 58 46 62 40 56 44 60 47 32 48 63 97 65 67 99 66 98 70 102 68 100 69 101 71 103 77 109 73 105 75 107 74 106 78 110 72 104 76 108 79 111 89 121 81 113 ...

result:

ok answer is 1

Test #29:

score: 0
Accepted
time: 0ms
memory: 3908kb

input:

373

output:

NO

result:

ok answer is 0

Test #30:

score: 0
Accepted
time: 0ms
memory: 3768kb

input:

473

output:

YES
1 3 2 6 4 5 7 13 9 11 10 14 8 12 15 25 17 19 27 18 26 22 30 20 28 21 29 23 16 24 31 49 33 35 51 34 50 38 54 36 52 37 53 39 55 45 61 41 57 43 59 42 58 46 62 40 56 44 60 47 32 48 63 97 65 67 99 66 98 70 102 68 100 69 101 71 103 77 109 73 105 75 107 74 106 78 110 72 104 76 108 79 111 89 121 81 113 ...

result:

ok answer is 1

Test #31:

score: 0
Accepted
time: 0ms
memory: 3652kb

input:

513

output:

NO

result:

ok answer is 0

Test #32:

score: 0
Accepted
time: 0ms
memory: 3784kb

input:

934

output:

YES
1 3 2 6 4 5 7 13 9 11 10 14 8 12 15 25 17 19 27 18 26 22 30 20 28 21 29 23 16 24 31 49 33 35 51 34 50 38 54 36 52 37 53 39 55 45 61 41 57 43 59 42 58 46 62 40 56 44 60 47 32 48 63 97 65 67 99 66 98 70 102 68 100 69 101 71 103 77 109 73 105 75 107 74 106 78 110 72 104 76 108 79 111 89 121 81 113 ...

result:

ok answer is 1

Test #33:

score: 0
Accepted
time: 0ms
memory: 3660kb

input:

1356

output:

NO

result:

ok answer is 0

Test #34:

score: 0
Accepted
time: 1ms
memory: 3788kb

input:

1651

output:

YES
1 3 2 6 4 5 7 13 9 11 10 14 8 12 15 25 17 19 27 18 26 22 30 20 28 21 29 23 16 24 31 49 33 35 51 34 50 38 54 36 52 37 53 39 55 45 61 41 57 43 59 42 58 46 62 40 56 44 60 47 32 48 63 97 65 67 99 66 98 70 102 68 100 69 101 71 103 77 109 73 105 75 107 74 106 78 110 72 104 76 108 79 111 89 121 81 113 ...

result:

ok answer is 1

Test #35:

score: 0
Accepted
time: 0ms
memory: 3700kb

input:

2263

output:

NO

result:

ok answer is 0

Test #36:

score: 0
Accepted
time: 1ms
memory: 3780kb

input:

3330

output:

YES
1 3 2 6 4 5 7 13 9 11 10 14 8 12 15 25 17 19 27 18 26 22 30 20 28 21 29 23 16 24 31 49 33 35 51 34 50 38 54 36 52 37 53 39 55 45 61 41 57 43 59 42 58 46 62 40 56 44 60 47 32 48 63 97 65 67 99 66 98 70 102 68 100 69 101 71 103 77 109 73 105 75 107 74 106 78 110 72 104 76 108 79 111 89 121 81 113 ...

result:

ok answer is 1

Test #37:

score: 0
Accepted
time: 0ms
memory: 3588kb

input:

4375

output:

NO

result:

ok answer is 0

Test #38:

score: 0
Accepted
time: 1ms
memory: 3944kb

input:

7989

output:

YES
1 3 2 6 4 5 7 13 9 11 10 14 8 12 15 25 17 19 27 18 26 22 30 20 28 21 29 23 16 24 31 49 33 35 51 34 50 38 54 36 52 37 53 39 55 45 61 41 57 43 59 42 58 46 62 40 56 44 60 47 32 48 63 97 65 67 99 66 98 70 102 68 100 69 101 71 103 77 109 73 105 75 107 74 106 78 110 72 104 76 108 79 111 89 121 81 113 ...

result:

ok answer is 1

Test #39:

score: 0
Accepted
time: 0ms
memory: 3596kb

input:

10925

output:

NO

result:

ok answer is 0

Test #40:

score: 0
Accepted
time: 1ms
memory: 3928kb

input:

14097

output:

YES
1 3 2 6 4 5 7 13 9 11 10 14 8 12 15 25 17 19 27 18 26 22 30 20 28 21 29 23 16 24 31 49 33 35 51 34 50 38 54 36 52 37 53 39 55 45 61 41 57 43 59 42 58 46 62 40 56 44 60 47 32 48 63 97 65 67 99 66 98 70 102 68 100 69 101 71 103 77 109 73 105 75 107 74 106 78 110 72 104 76 108 79 111 89 121 81 113 ...

result:

ok answer is 1

Test #41:

score: 0
Accepted
time: 0ms
memory: 3596kb

input:

16893

output:

NO

result:

ok answer is 0

Test #42:

score: 0
Accepted
time: 2ms
memory: 3924kb

input:

28913

output:

YES
1 3 2 6 4 5 7 13 9 11 10 14 8 12 15 25 17 19 27 18 26 22 30 20 28 21 29 23 16 24 31 49 33 35 51 34 50 38 54 36 52 37 53 39 55 45 61 41 57 43 59 42 58 46 62 40 56 44 60 47 32 48 63 97 65 67 99 66 98 70 102 68 100 69 101 71 103 77 109 73 105 75 107 74 106 78 110 72 104 76 108 79 111 89 121 81 113 ...

result:

ok answer is 1

Test #43:

score: 0
Accepted
time: 0ms
memory: 3564kb

input:

40092

output:

NO

result:

ok answer is 0

Test #44:

score: 0
Accepted
time: 0ms
memory: 3856kb

input:

54980

output:

YES
1 3 2 6 4 5 7 13 9 11 10 14 8 12 15 25 17 19 27 18 26 22 30 20 28 21 29 23 16 24 31 49 33 35 51 34 50 38 54 36 52 37 53 39 55 45 61 41 57 43 59 42 58 46 62 40 56 44 60 47 32 48 63 97 65 67 99 66 98 70 102 68 100 69 101 71 103 77 109 73 105 75 107 74 106 78 110 72 104 76 108 79 111 89 121 81 113 ...

result:

ok answer is 1

Test #45:

score: 0
Accepted
time: 0ms
memory: 3692kb

input:

88104

output:

NO

result:

ok answer is 0

Test #46:

score: 0
Accepted
time: 3ms
memory: 4372kb

input:

106284

output:

YES
1 3 2 6 4 5 7 13 9 11 10 14 8 12 15 25 17 19 27 18 26 22 30 20 28 21 29 23 16 24 31 49 33 35 51 34 50 38 54 36 52 37 53 39 55 45 61 41 57 43 59 42 58 46 62 40 56 44 60 47 32 48 63 97 65 67 99 66 98 70 102 68 100 69 101 71 103 77 109 73 105 75 107 74 106 78 110 72 104 76 108 79 111 89 121 81 113 ...

result:

ok answer is 1

Test #47:

score: 0
Accepted
time: 0ms
memory: 3588kb

input:

152797

output:

NO

result:

ok answer is 0

Test #48:

score: 0
Accepted
time: 14ms
memory: 5732kb

input:

200000

output:

YES
1 3 2 6 4 5 7 13 9 11 10 14 8 12 15 25 17 19 27 18 26 22 30 20 28 21 29 23 16 24 31 49 33 35 51 34 50 38 54 36 52 37 53 39 55 45 61 41 57 43 59 42 58 46 62 40 56 44 60 47 32 48 63 97 65 67 99 66 98 70 102 68 100 69 101 71 103 77 109 73 105 75 107 74 106 78 110 72 104 76 108 79 111 89 121 81 113 ...

result:

ok answer is 1

Test #49:

score: 0
Accepted
time: 1ms
memory: 3832kb

input:

3073

output:

YES
1 3 2 6 4 5 7 13 9 11 10 14 8 12 15 25 17 19 27 18 26 22 30 20 28 21 29 23 16 24 31 49 33 35 51 34 50 38 54 36 52 37 53 39 55 45 61 41 57 43 59 42 58 46 62 40 56 44 60 47 32 48 63 97 65 67 99 66 98 70 102 68 100 69 101 71 103 77 109 73 105 75 107 74 106 78 110 72 104 76 108 79 111 89 121 81 113 ...

result:

ok answer is 1

Test #50:

score: 0
Accepted
time: 2ms
memory: 4128kb

input:

16383

output:

YES
1 3 2 6 4 5 7 13 9 11 10 14 8 12 15 25 17 19 27 18 26 22 30 20 28 21 29 23 16 24 31 49 33 35 51 34 50 38 54 36 52 37 53 39 55 45 61 41 57 43 59 42 58 46 62 40 56 44 60 47 32 48 63 97 65 67 99 66 98 70 102 68 100 69 101 71 103 77 109 73 105 75 107 74 106 78 110 72 104 76 108 79 111 89 121 81 113 ...

result:

ok answer is 1

Test #51:

score: 0
Accepted
time: 3ms
memory: 4128kb

input:

32767

output:

YES
1 3 2 6 4 5 7 13 9 11 10 14 8 12 15 25 17 19 27 18 26 22 30 20 28 21 29 23 16 24 31 49 33 35 51 34 50 38 54 36 52 37 53 39 55 45 61 41 57 43 59 42 58 46 62 40 56 44 60 47 32 48 63 97 65 67 99 66 98 70 102 68 100 69 101 71 103 77 109 73 105 75 107 74 106 78 110 72 104 76 108 79 111 89 121 81 113 ...

result:

ok answer is 1

Test #52:

score: 0
Accepted
time: 0ms
memory: 3776kb

input:

399

output:

YES
1 3 2 6 4 5 7 13 9 11 10 14 8 12 15 25 17 19 27 18 26 22 30 20 28 21 29 23 16 24 31 49 33 35 51 34 50 38 54 36 52 37 53 39 55 45 61 41 57 43 59 42 58 46 62 40 56 44 60 47 32 48 63 97 65 67 99 66 98 70 102 68 100 69 101 71 103 77 109 73 105 75 107 74 106 78 110 72 104 76 108 79 111 89 121 81 113 ...

result:

ok answer is 1

Test #53:

score: 0
Accepted
time: 0ms
memory: 3636kb

input:

5757

output:

NO

result:

ok answer is 0

Test #54:

score: 0
Accepted
time: 0ms
memory: 3596kb

input:

179

output:

NO

result:

ok answer is 0

Test #55:

score: 0
Accepted
time: 0ms
memory: 3788kb

input:

228

output:

YES
1 3 2 6 4 5 7 13 9 11 10 14 8 12 15 25 17 19 27 18 26 22 30 20 28 21 29 23 16 24 31 49 33 35 51 34 50 38 54 36 52 37 53 39 55 45 61 41 57 43 59 42 58 46 62 40 56 44 60 47 32 48 63 97 65 67 99 66 98 70 102 68 100 69 101 71 103 77 109 73 105 75 107 74 106 78 110 72 104 76 108 79 111 89 121 81 113 ...

result:

ok answer is 1

Extra Test:

score: 0
Extra Test Passed