結果
問題 | No.1598 4×4 Grid |
ユーザー | nrvft |
提出日時 | 2021-07-10 03:39:47 |
言語 | C++17 (gcc 12.3.0 + boost 1.83.0) |
結果 |
AC
|
実行時間 | 869 ms / 4,000 ms |
コード長 | 3,086 bytes |
コンパイル時間 | 2,038 ms |
コンパイル使用メモリ | 206,196 KB |
実行使用メモリ | 115,584 KB |
最終ジャッジ日時 | 2024-07-01 22:56:46 |
合計ジャッジ時間 | 6,716 ms |
ジャッジサーバーID (参考情報) |
judge5 / judge2 |
(要ログイン)
テストケース
テストケース表示入力 | 結果 | 実行時間 実行使用メモリ |
---|---|---|
testcase_00 | AC | 7 ms
9,344 KB |
testcase_01 | AC | 138 ms
34,560 KB |
testcase_02 | AC | 153 ms
35,584 KB |
testcase_03 | AC | 530 ms
58,368 KB |
testcase_04 | AC | 704 ms
74,368 KB |
testcase_05 | AC | 839 ms
105,856 KB |
testcase_06 | AC | 869 ms
115,584 KB |
testcase_07 | AC | 3 ms
5,376 KB |
testcase_08 | AC | 147 ms
35,200 KB |
testcase_09 | AC | 735 ms
80,512 KB |
ソースコード
#include <bits/stdc++.h> using namespace std; using ll = long long; using ld = long double; using vl = vector<ll>; template<class T> using vc = vector<T>; template<class T> using vvc = vector<vector<T>>; #define eb emplace_back #define all(x) (x).begin(), (x).end() #define rep(i, n) for (ll i = 0; i < (n); i++) #define repr(i, n) for (ll i = (n)-1; i >= 0; i--) #define repe(i, l, r) for (ll i = (l); i < (r); i++) #define reper(i, l, r) for (ll i = (r)-1; i >= (l); i--) #define repa(i,n) for (auto& i: n) template<class T1, class T2> inline bool chmax(T1 &a, const T2 &b) {if (a<b) { a=b; return 1;} return 0;} template<class T1, class T2> inline bool chmin(T1 &a, const T2 &b) {if (b<a) { a=b; return 1;} return 0;} struct init{init(){cin.tie(0);ios::sync_with_stdio(false);cout<<fixed<<setprecision(15);cerr<<fixed<<setprecision(15);}}init_; #ifdef DEBUG template <class T> void verr(const set<T> &st) { repa(a, st) cerr << a << " "; cerr << endl; } template <class S, class T> void verr(const map<S, T> &mp) { repa(a, mp) cerr << "{" << a.first << ", " << a.second << "} "; cerr << endl; } template <class S, class T, class N> void verr(const vector<pair<S,T>>& a, const N& n) { rep(i, n) cerr << "{" << a[i].first << ", " << a[i].second << "} "; cerr << endl; } template <class T, class N> void verr(const vector<T>& a, const N& n) { rep(i, n) cerr << a[i] << " "; cerr << endl; } ll dbgt = 1; void err() { cerr << "passed " << dbgt++ << endl; } template<class H, class... T> void err(H&& h,T&&... t){ cerr<< h << (sizeof...(t)?" ":"\n") << flush; if(sizeof...(t)>0) err(forward<T>(t)...); } #endif const ll INF = 4e18; const ld EPS = 1e-11; const ld PI = acos(-1.0L); const ll MOD = 1e9 + 7; // const ll MOD = 998244353; //--------------------------------------------------------------------------------// int main() { ll K; cin >> K; vvc<ll> dp(K + 1, vl(1 << 16)); dp[0][0] = 1; vl dh = {0, 0, 1, -1}, dw = {1, -1, 0, 0}; rep(bit, (1 << 16) - 1){ rep(k, K + 1){ if (dp[k][bit] == 0) continue; ll dcnt = 0; rep(i, 16){ if (!(bit >> i & 1)) continue; ll h = i / 4, w = i % 4; rep(d, 4) { ll th = h + dh[d], tw = w + dw[d]; if (th < 0 or th >= 4 or tw < 0 or tw >= 4) continue; if (bit >> (th * 4 + tw) & 1) continue; dcnt++; } } rep(i, 16){ if (bit >> i & 1) continue; ll h = i / 4, w = i % 4, tocnt = dcnt; rep(d, 4) { ll th = h + dh[d], tw = w + dw[d]; if (th < 0 or th >= 4 or tw < 0 or tw >= 4) continue; if (bit >> (th * 4 + tw) & 1) { tocnt--; }else{ tocnt++; } } if (k + tocnt <= K) dp[k + tocnt][bit | 1 << i] += dp[k][bit]; } } } cout << dp[K][(1 << 16) - 1] << endl; }