結果

問題 No.1937 Various Tournament
ユーザー commy
提出日時 2022-09-20 02:17:46
言語 C++17
(gcc 13.3.0 + boost 1.87.0)
結果
AC  
実行時間 284 ms / 2,000 ms
コード長 2,942 bytes
コンパイル時間 900 ms
コンパイル使用メモリ 84,596 KB
最終ジャッジ日時 2025-02-07 12:42:05
ジャッジサーバーID
(参考情報)
judge3 / judge5
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ファイルパターン 結果
sample AC * 3
other AC * 47
権限があれば一括ダウンロードができます

ソースコード

diff #
プレゼンテーションモードにする

#include <algorithm>
#include <iostream>
#include <numeric>
#include <string>
#include <tuple>
#include <utility>
#include <vector>
#include <limits>
#define rep(i, a, b) for (int i = int(a); i < int(b); i++)
using namespace std;
using ll = long long int; // NOLINT
using P = pair<ll, ll>;
// clang-format off
#ifdef _DEBUG_
#define dump(...) do{ cerr << __LINE__ << ":\t" << #__VA_ARGS__ << " = "; debug_print(__VA_ARGS__); } while(false)
template<typename T, typename... Ts> void debug_print(const T &t, const Ts &...ts) { cerr << t; ((cerr << ", " << ts), ...); cerr << endl; }
#else
#define dump(...) do{ } while(false)
#endif
template<typename T> vector<T> make_v(size_t a, T b) { return vector<T>(a, b); }
template<typename... Ts> auto make_v(size_t a, Ts... ts) { return vector<decltype(make_v(ts...))>(a, make_v(ts...)); }
template<typename T> bool chmin(T &a, const T& b) { if (a > b) {a = b; return true; } return false; }
template<typename T> bool chmax(T &a, const T& b) { if (a < b) {a = b; return true; } return false; }
template<typename T, typename... Ts> void print(const T& t, const Ts&... ts) { cout << t; ((cout << ' ' << ts), ...); cout << '\n'; }
template<typename... Ts> void input(Ts&... ts) { (cin >> ... >> ts); }
template<typename T> istream &operator,(istream &in, T &t) { return in >> t; }
struct Inf { template<typename T> constexpr operator T() { return numeric_limits<T>::max() / 2; } };
// clang-format on
int popcount(ll bits) {
bits = (bits & 0x5555555555555555LL) + (bits >> 1 & 0x5555555555555555LL);
bits = (bits & 0x3333333333333333LL) + (bits >> 2 & 0x3333333333333333LL);
bits = (bits & 0x0f0f0f0f0f0f0f0fLL) + (bits >> 4 & 0x0f0f0f0f0f0f0f0fLL);
bits = (bits & 0x00ff00ff00ff00ffLL) + (bits >> 8 & 0x00ff00ff00ff00ffLL);
bits = (bits & 0x0000ffff0000ffffLL) + (bits >> 16 & 0x0000ffff0000ffffLL);
return (bits & 0x00000000ffffffffLL) + (bits >> 32 & 0x00000000ffffffffLL);
}
int main() {
cin.tie(nullptr);
ios::sync_with_stdio(false);
int n;
cin, n;
auto s = make_v(n, n, 0);
rep(i, 0, n) {
rep(j, 0, n) {
cin, s[i][j];
}
}
const int bits = 1 << n;
auto dp = make_v(bits, n, 0LL);
rep(i, 0, n) {
dp[1 << i][i] = 1;
}
int count = 0;
rep(bit, 0, bits) {
int z = popcount(bit);
if (z == 1 || z & (z - 1)) continue;
for (int bit_a = bit; bit_a; bit_a = (bit_a - 1) & bit) {
count++;
int y = popcount(bit_a);
if (2 * y != z) continue;
int bit_b = bit ^ bit_a;
rep(i, 0, n) {
rep(j, i + 1, n) {
if (i == j) continue;
int w = s[i][j] ? i : j;
dp[bit][w] += dp[bit_a][i] * dp[bit_b][j] * 2;
}
}
}
}
rep(i, 0, n) {
print(dp[bits - 1][i]);
}
dump(count);
return 0;
}
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