#742758 (C++17) No.179 塗り分け

提出ソース

結果

問題	No.179 塗り分け
ユーザー	minato
提出日時	2022-03-02 01:22:13
言語	C++17 (gcc 12.3.0 + boost 1.83.0)
結果	AC
実行時間	21 ms / 3,000 ms
コード長	6,035 bytes
コンパイル時間	2,787 ms
コンパイル使用メモリ	208,952 KB
実行使用メモリ	6,944 KB
最終ジャッジ日時	2024-07-08 08:26:08
合計ジャッジ時間	3,056 ms
ジャッジサーバーID （参考情報）	judge1 / judge3

このコードへのチャレンジ
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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	2 ms 6,816 KB
testcase_01	AC	1 ms 6,944 KB
testcase_02	AC	2 ms 6,940 KB
testcase_03	AC	1 ms 6,940 KB
testcase_04	AC	2 ms 6,940 KB
testcase_05	AC	1 ms 6,940 KB
testcase_06	AC	2 ms 6,940 KB
testcase_07	AC	2 ms 6,940 KB
testcase_08	AC	2 ms 6,940 KB
testcase_09	AC	1 ms 6,944 KB
testcase_10	AC	1 ms 6,944 KB
testcase_11	AC	2 ms 6,944 KB
testcase_12	AC	21 ms 6,944 KB
testcase_13	AC	2 ms 6,940 KB
testcase_14	AC	2 ms 6,940 KB
testcase_15	AC	2 ms 6,940 KB
testcase_16	AC	1 ms 6,944 KB
testcase_17	AC	1 ms 6,944 KB
testcase_18	AC	2 ms 6,944 KB
testcase_19	AC	1 ms 6,944 KB
testcase_20	AC	2 ms 6,940 KB
testcase_21	AC	1 ms 6,940 KB
testcase_22	AC	2 ms 6,940 KB
testcase_23	AC	1 ms 6,940 KB
testcase_24	AC	2 ms 6,940 KB
testcase_25	AC	2 ms 6,940 KB
testcase_26	AC	1 ms 6,940 KB
testcase_27	AC	6 ms 6,944 KB
testcase_28	AC	2 ms 6,944 KB
testcase_29	AC	10 ms 6,944 KB
testcase_30	AC	6 ms 6,940 KB
testcase_31	AC	13 ms 6,944 KB
testcase_32	AC	4 ms 6,940 KB
testcase_33	AC	12 ms 6,944 KB
testcase_34	AC	3 ms 6,940 KB
testcase_35	AC	14 ms 6,944 KB
testcase_36	AC	2 ms 6,940 KB
testcase_37	AC	2 ms 6,944 KB
testcase_38	AC	2 ms 6,944 KB
testcase_39	AC	2 ms 6,940 KB
testcase_40	AC	1 ms 6,944 KB
testcase_41	AC	2 ms 6,944 KB
testcase_42	AC	2 ms 6,940 KB
testcase_43	AC	2 ms 6,944 KB
testcase_44	AC	2 ms 6,944 KB
testcase_45	AC	1 ms 6,940 KB

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

raw source code

// clang-format off
#include <bits/stdc++.h>
using namespace std;
using uint = unsigned int;
using ll = long long;
using ull = unsigned long long;
using pii = pair<int, int>;
using pll = pair<long long, long long>;
template <class T> using vec = vector<T>;
template <class T> using vvec = vector<vector<T>>;
#define rep(i, n) for (int i = 0; i < (n); i++)
#define rrep(i, n) for (int i = int(n) - 1; i >= 0; i--)
#define all(x) begin(x), end(x)
constexpr char ln = '\n';
template <class Container> inline int SZ(const Container& v) { return int(v.size()); }
template <class T> inline void UNIQUE(vector<T>& v) { v.erase(unique(v.begin(), v.end()), v.end()); }
template <class T1, class T2> inline bool chmax(T1& a, T2 b) { if (a < b) { a = b; return true; } return false; }
template <class T1, class T2> inline bool chmin(T1& a, T2 b) { if (a > b) { a = b; return true; } return false; }
inline int topbit(ull x) { return x == 0 ? -1 : 63 - __builtin_clzll(x); }
inline int botbit(ull x) { return x == 0 ? 64 : __builtin_ctzll(x); }
inline int popcount(ull x) { return __builtin_popcountll(x); }
inline int kthbit(ull x, int k) { return (x >> k) & 1; }
inline constexpr long long TEN(int x) { return x == 0 ? 1 : TEN(x - 1) * 10; }
const string YESNO[2] = {"NO", "YES"};
const string YesNo[2] = {"No", "Yes"};
inline void YES(bool t = true) { cout << YESNO[t] << "\n"; }
inline void Yes(bool t = true) { cout << YesNo[t] << "\n"; }
template <class T> inline void drop(T x) { cout << x << "\n"; exit(0); }
inline void print() { cout << "\n"; }
template <class T> inline void print(const vector<T>& v) { for (auto it = v.begin(); it != v.end(); ++it) { if (it != v.begin()) { cout << " "; } cout << *it; } print(); }
template <class T, class... Args> inline void print(const T& x, const Args& ... args) { cout << x << " "; print(args...); }
#ifdef MINATO_LOCAL
template <class T1, class T2> ostream& operator<<(ostream& os, pair<T1, T2> p) { return os << "(" << p.first << ", " << p.second << ")"; }
template <size_t N, class TUPLE> void debug_tuple(ostream& os, TUPLE _) { (void)os; (void)_; }
template <size_t N, class TUPLE, class T, class ...Args> void debug_tuple(ostream &os, TUPLE t) { os << (N == 0 ? "" : ", ") << get<N>(t); debug_tuple<N + 1, TUPLE, Args...>(os, t); }
template <class ...Args> ostream& operator<<(ostream& os, tuple<Args...> t) { os << "("; debug_tuple<0, tuple<Args...>, Args...>(os, t); return os << ")"; }
string debug_delim(int& i) { return i++ == 0 ? "" : ", "; }
#define debug_embrace(x) { int i = 0; os << "{";  { x } return os << "}"; }
template <class T> ostream& operator<<(ostream& os, vector<T> v) { debug_embrace( for (T e : v) { os << debug_delim(i) << e; } ) }
template <class T, size_t N> ostream& operator<<(ostream& os, array<T, N> a) { debug_embrace( for (T e : a) { os << debug_delim(i) << e; } ) }
template <class T, size_t N> enable_if_t<!is_same_v<char, remove_cv_t<T>>, ostream>& operator<<(ostream& os, T(&a)[N]) { debug_embrace( for (T e : a) { os << debug_delim(i) << e; } ) }
template <class Key> ostream& operator<<(ostream& os, set<Key> s) { debug_embrace( for (Key e : s) { os << debug_delim(i) << e; }) }
template <class Key, class T> ostream& operator<<(ostream& os, map<Key, T> mp) { debug_embrace( for (auto e : mp) { os << debug_delim(i) << e; }) }
template <class Key> ostream& operator<<(ostream& os, multiset<Key> s) { debug_embrace( for (Key e : s) { os << debug_delim(i) << e; }) }
template <class T> ostream& operator<<(ostream& os, queue<T> q) { debug_embrace( for (; !q.empty(); q.pop()) { os << debug_delim(i) << q.front(); } ) }
template <class T> ostream& operator<<(ostream& os, deque<T> q) { debug_embrace( for (T e : q) { os << debug_delim(i) << e; } ) }
template <class T> ostream& operator<<(ostream& os, priority_queue<T> q) { debug_embrace( for (; !q.empty(); q.pop()) { os << debug_delim(i) << q.top(); } ) }
template <class T> ostream& operator<<(ostream& os, priority_queue<T, vector<T>, greater<T>> q) { debug_embrace( for (; !q.empty(); q.pop()) { os << debug_delim(i) << q.top(); } ) }
void debug_out() { cerr << endl; }
template <class T, class... Args> void debug_out(const T& x, const Args& ... args) { cerr << " " << x; debug_out(args...); }
#define debug(...) cerr << __LINE__ << " : [" << #__VA_ARGS__ << "] =", debug_out(__VA_ARGS__)
#else
#define debug(...) (void(0))
#endif
struct fast_ios { fast_ios() { cin.tie(nullptr); ios::sync_with_stdio(false); cout << fixed << setprecision(20); cerr << fixed << setprecision(7); }; } fast_ios_;
///////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
// clang-format on

int main() {
    int H, W;
    cin >> H >> W;
    vec<string> S(H);
    rep(i, H) cin >> S[i];

    {
        int cnt = 0;
        rep(i, H) rep(j, W) cnt += S[i][j] == '#';
        if (cnt == 0 or cnt % 2 == 1) drop("NO");
    }

    int ax = -1, ay = -1;
    rep(i, H) {
        rep(j, W) {
            if (S[i][j] == '#') {
                ax = i;
                ay = j;
                break;
            }
        }
        if (ax != -1) break;
    }

    rep(bx, H) rep(by, W) {
        if (bx == ax and by == ay) continue;
        if (S[bx][by] != '#') continue;
        int dx = bx - ax;
        int dy = by - ay;
        vvec<int> color(H, vec<int>(W));
        color[ax][ay] = 1;
        color[bx][by] = 1;
        bool ok = true;
        debug(ax, ay, bx, by);
        rep(x, H) rep(y, W) {
            if (S[x][y] != '#') continue;
            if (color[x][y]) continue;
            int nx = x + dx;
            int ny = y + dy;
            if (nx < 0 or nx >= H or ny < 0 or ny >= W) {
                ok = false;
            }
            if (ok) {
                if (S[nx][ny] != '#') ok = false;
            }
            if (ok) {
                color[x][y] = 1;
                color[nx][ny] = 1;
            }
        }
        if (ok) drop("YES");
    }

    drop("NO");
}

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結果

テストケース

ソースコード