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IDProblemSubmitterResultTimeMemoryLanguageFile sizeSubmit timeJudge time
#218752#5523. Graph Problem With Small $n$isaunoyaWA 1972ms3928kbC++232.6kb2023-10-18 17:57:442023-10-18 17:57:44

Judging History

你现在查看的是最新测评结果

  • [2023-10-18 17:57:44]
  • 评测
  • 测评结果:WA
  • 用时:1972ms
  • 内存:3928kb
  • [2023-10-18 17:57:44]
  • 提交

answer

#include <bits/stdc++.h>
#include <ctime>
#ifndef LOCAL
#define debug(...) 42
#else
#define debug(...) cerr << "[" << #__VA_ARGS__ << "]:", debug_out(__VA_ARGS__)
#endif
#define rep1(a) for (int i = 0; i < a; i++)
#define rep2(i, a) for (int i = 0; i < a; i++)
#define rep3(i, a, b) for (int i = a; i < b; i++)
#define rep4(i, a, b, c) for (int i = a; i < b; i += c)
#define overload4(a, b, c, d, e, ...) e
#define rep(...) overload4(__VA_ARGS__, rep4, rep3, rep2, rep1)(__VA_ARGS__)

#define pb emplace_back
using namespace std;
template <typename T, typename T2> void cmin(T &x, const T2 &y) {
  x = x < y ? x : y;
}
template <typename T, typename T2> void cmax(T &x, const T2 &y) {
  x = x > y ? x : y;
}
using ll = long long;
using vi = vector<int>;
using pii = pair<int, int>;
template <class T> using vc = vector<T>;
template <class T> using pq = priority_queue<T>;
template <class T> using pqg = priority_queue<T, vector<T>, greater<T>>;
mt19937 rng(time(NULL));
const int inf = 1000000000;
const ll lnf = 1000000000000000000;
#define sz(x) int((x).size())
#define all(x) begin(x), end(x)
#define fi first
#define se second

void solve() {
  int n;
  cin >> n;
  vc<vi> g(n, vi(n));
  rep(i, n) rep(j, n) {
    char c;
    cin >> c;
    if (c == '1')
      g[i][j] = 1;
    else
      g[i][j] = 0;
  }

  int l = n / 2;
  int r = n - l;
  vi p(n);
  iota(all(p), 0);
  vc<vi> ans(n, vi(n));
  while (clock() * 1. / CLOCKS_PER_SEC < 1.97) {
    shuffle(all(p), rng);
    vi ll(p.begin(), p.begin() + l);
    vi rr(p.begin() + l, p.end());
    int full = 0;
    vc<pii> avail;
    vi tmp;
    auto solve = [&](auto &solve, int u, int v, int s) {
      if (s == full) {
        avail.pb(u, v);
        return;
      }
      for (auto x : tmp) {
        if ((!(s >> x & 1)) && g[v][x]) {
          solve(solve, u, x, s | (1 << x));
        }
      }
    };
    full = 0, tmp = ll;
    for (auto x : tmp)
      full |= 1 << x;
    for (auto u : tmp)
      solve(solve, u, u, 1 << u);
    auto a = avail;
    avail.clear();
    full = 0, tmp = rr;
    for (auto x : tmp)
      full |= 1 << x;
    for (auto u : tmp)
      solve(solve, u, u, 1 << u);
    auto b = avail;
    avail.clear();
    for (auto [x, y] : a) {
      for (auto [z, w] : b) {
        if (g[y][z]) {
          ans[x][w] = ans[w][x] = 1;
        }
      }
    }
  }
  rep(i, n) {
    rep(j, n) cout << ans[i][j];
    cout << "\n";
  }
}

int main() {
  ios::sync_with_stdio(false);
  cin.tie(nullptr);
  int t = 1;
  // cin >> t;
  while (t--) {
    solve();
  }
  return 0;
}

Details

Tip: Click on the bar to expand more detailed information

Test #1:

score: 100
Accepted
time: 1309ms
memory: 3724kb

input:

4
0110
1010
1101
0010

output:

0001
0001
0000
1100

result:

ok 4 lines

Test #2:

score: 0
Accepted
time: 1340ms
memory: 3928kb

input:

6
010001
101000
010100
001010
000101
100010

output:

010001
101000
010100
001010
000101
100010

result:

ok 6 lines

Test #3:

score: 0
Accepted
time: 1304ms
memory: 3736kb

input:

4
0111
1011
1101
1110

output:

0111
1011
1101
1110

result:

ok 4 lines

Test #4:

score: 0
Accepted
time: 1697ms
memory: 3908kb

input:

23
00000000000000000000000
00000000000000000000000
00000000000000000000000
00000000000000000000000
00000000000000000000000
00000000000000000000000
00000000000000000000000
00000000000000000000000
00000000000000000000000
00000000000000000000000
00000000000000000000000
00000000000000000000000
000000000...

output:

00000000000000000000000
00000000000000000000000
00000000000000000000000
00000000000000000000000
00000000000000000000000
00000000000000000000000
00000000000000000000000
00000000000000000000000
00000000000000000000000
00000000000000000000000
00000000000000000000000
00000000000000000000000
000000000000...

result:

ok 23 lines

Test #5:

score: 0
Accepted
time: 1896ms
memory: 3904kb

input:

23
00010100000000000101000
00000000010000000001000
00000000000001000000001
10000000000000000010000
00000000000000000000000
10000000000000000000000
00000001000000000000000
00000010000000000010000
00000000000001000000000
01000000000000000000000
00000000000000000000000
00000000000000000000000
000000000...

output:

00000000000000000000000
00000000000000000000000
00000000000000000000000
00000000000000000000000
00000000000000000000000
00000000000000000000000
00000000000000000000000
00000000000000000000000
00000000000000000000000
00000000000000000000000
00000000000000000000000
00000000000000000000000
000000000000...

result:

ok 23 lines

Test #6:

score: 0
Accepted
time: 1964ms
memory: 3656kb

input:

23
00001000000000000000000
00001000010001000000000
00000000000101000010000
00001000000100000000000
11010000010011000100000
00000000000100000000000
00000000000000000000001
00000000000000000101000
00000000000000000000000
01001000000000101010010
00000000000000000000101
00110100000010001000000
000010000...

output:

00000000000000000000000
00000000000000000000000
00000000000000000000000
00000000000000000000000
00000000000000000000000
00000000000000000000000
00000000000000000000000
00000000000000000000000
00000000000000000000000
00000000000000000000000
00000000000000000000000
00000000000000000000000
000000000000...

result:

ok 23 lines

Test #7:

score: 0
Accepted
time: 1968ms
memory: 3720kb

input:

23
01000000000001101001100
10000001101000000000000
00000100000100010000100
00000000000000001011000
00000100001000000000000
00101000000000001000001
00000000000000000000000
01000000000000000000000
01000000000100000010000
00000000000001000000011
01001000000000010000000
00100000100001000100001
000000000...

output:

00000000000000000000000
00000000000000000000000
00000000000000000000000
00000000000000000000000
00000000000000000000000
00000000000000000000000
00000000000000000000000
00000000000000000000000
00000000000000000000000
00000000000000000000000
00000000000000000000000
00000000000000000000000
000000000000...

result:

ok 23 lines

Test #8:

score: -100
Wrong Answer
time: 1972ms
memory: 3780kb

input:

23
00000000010001001001010
00100010001101110000001
01000001000100110000000
00000011010001101100100
00000000010000010001000
00000000000000001001000
01010001000000000000001
00110010000000000000010
00000000011000100100000
10011000101000100000000
01000000110010101010000
01100000000000000000000
000000000...

output:

00001000000010000000100
00000000000000000000100
00000100000000000000100
00000100000000000010000
10000100000010000010100
00111000100111110110101
00000000000000000010100
00000000000000000000100
00000100000000000000100
00000000000000000000000
00000000000000000000000
00000100000010100010101
100011000001...

result:

wrong answer 1st lines differ - expected: '01111111110111110110111', found: '00001000000010000000100'