結果

問題 No.2641 draw X
ユーザー ForestedForested
提出日時 2024-02-19 21:39:23
言語 C++17
(gcc 12.3.0 + boost 1.83.0)
結果
AC  
実行時間 72 ms / 2,000 ms
コード長 5,499 bytes
コンパイル時間 1,981 ms
コンパイル使用メモリ 216,120 KB
実行使用メモリ 39,936 KB
最終ジャッジ日時 2024-02-19 21:39:28
合計ジャッジ時間 4,265 ms
ジャッジサーバーID
(参考情報)
judge13 / judge14
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
6,548 KB
testcase_01 AC 1 ms
6,548 KB
testcase_02 AC 2 ms
6,548 KB
testcase_03 AC 2 ms
6,548 KB
testcase_04 AC 1 ms
6,548 KB
testcase_05 AC 2 ms
6,548 KB
testcase_06 AC 2 ms
6,548 KB
testcase_07 AC 2 ms
6,548 KB
testcase_08 AC 2 ms
6,548 KB
testcase_09 AC 2 ms
6,548 KB
testcase_10 AC 1 ms
6,548 KB
testcase_11 AC 1 ms
6,548 KB
testcase_12 AC 2 ms
6,548 KB
testcase_13 AC 1 ms
6,548 KB
testcase_14 AC 2 ms
6,548 KB
testcase_15 AC 39 ms
39,936 KB
testcase_16 AC 47 ms
39,936 KB
testcase_17 AC 1 ms
6,548 KB
testcase_18 AC 1 ms
6,548 KB
testcase_19 AC 2 ms
6,548 KB
testcase_20 AC 6 ms
6,548 KB
testcase_21 AC 11 ms
9,088 KB
testcase_22 AC 6 ms
6,548 KB
testcase_23 AC 9 ms
8,192 KB
testcase_24 AC 4 ms
6,548 KB
testcase_25 AC 3 ms
6,548 KB
testcase_26 AC 12 ms
9,344 KB
testcase_27 AC 3 ms
6,548 KB
testcase_28 AC 17 ms
16,000 KB
testcase_29 AC 31 ms
31,872 KB
testcase_30 AC 32 ms
27,136 KB
testcase_31 AC 25 ms
19,072 KB
testcase_32 AC 41 ms
32,000 KB
testcase_33 AC 42 ms
31,616 KB
testcase_34 AC 25 ms
19,712 KB
testcase_35 AC 23 ms
17,664 KB
testcase_36 AC 53 ms
36,096 KB
testcase_37 AC 58 ms
38,016 KB
testcase_38 AC 55 ms
34,304 KB
testcase_39 AC 65 ms
39,424 KB
testcase_40 AC 72 ms
37,504 KB
testcase_41 AC 46 ms
34,432 KB
testcase_42 AC 58 ms
35,840 KB
testcase_43 AC 61 ms
34,816 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

diff #

#ifndef LOCAL
#define FAST_IO
#endif

// ============
#include <bits/stdc++.h>
#define OVERRIDE(a, b, c, d, ...) d
#define REP2(i, n) for (i32 i = 0; i < (i32)(n); ++i)
#define REP3(i, m, n) for (i32 i = (i32)(m); i < (i32)(n); ++i)
#define REP(...) OVERRIDE(__VA_ARGS__, REP3, REP2)(__VA_ARGS__)
#define PER2(i, n) for (i32 i = (i32)(n)-1; i >= 0; --i)
#define PER3(i, m, n) for (i32 i = (i32)(n)-1; i >= (i32)(m); --i)
#define PER(...) OVERRIDE(__VA_ARGS__, PER3, PER2)(__VA_ARGS__)
#define ALL(x) begin(x), end(x)
#define LEN(x) (i32)(x.size())
using namespace std;
using u32 = unsigned int;
using u64 = unsigned long long;
using i32 = signed int;
using i64 = signed long long;
using f64 = double;
using f80 = long double;
using pi = pair<i32, i32>;
using pl = pair<i64, i64>;
template <typename T>
using V = vector<T>;
template <typename T>
using VV = V<V<T>>;
template <typename T>
using VVV = V<V<V<T>>>;
template <typename T>
using VVVV = V<V<V<V<T>>>>;
template <typename T>
using PQR = priority_queue<T, V<T>, greater<T>>;
template <typename T>
bool chmin(T &x, const T &y) {
    if (x > y) {
        x = y;
        return true;
    }
    return false;
}
template <typename T>
bool chmax(T &x, const T &y) {
    if (x < y) {
        x = y;
        return true;
    }
    return false;
}
template <typename T>
i32 lob(const V<T> &arr, const T &v) {
    return (i32)(lower_bound(ALL(arr), v) - arr.begin());
}
template <typename T>
i32 upb(const V<T> &arr, const T &v) {
    return (i32)(upper_bound(ALL(arr), v) - arr.begin());
}
template <typename T>
V<i32> argsort(const V<T> &arr) {
    V<i32> ret(arr.size());
    iota(ALL(ret), 0);
    sort(ALL(ret), [&](i32 i, i32 j) -> bool {
        if (arr[i] == arr[j]) {
            return i < j;
        } else {
            return arr[i] < arr[j];
        }
    });
    return ret;
}
#ifdef INT128
using u128 = __uint128_t;
using i128 = __int128_t;
#endif
[[maybe_unused]] constexpr i32 INF = 1000000100;
[[maybe_unused]] constexpr i64 INF64 = 3000000000000000100;
struct SetUpIO {
    SetUpIO() {
#ifdef FAST_IO
        ios::sync_with_stdio(false);
        cin.tie(nullptr);
#endif
        cout << fixed << setprecision(15);
    }
} set_up_io;
void scan(char &x) { cin >> x; }
void scan(u32 &x) { cin >> x; }
void scan(u64 &x) { cin >> x; }
void scan(i32 &x) { cin >> x; }
void scan(i64 &x) { cin >> x; }
void scan(string &x) { cin >> x; }
template <typename T>
void scan(V<T> &x) {
    for (T &ele : x) {
        scan(ele);
    }
}
void read() {}
template <typename Head, typename... Tail>
void read(Head &head, Tail &...tail) {
    scan(head);
    read(tail...);
}
#define CHAR(...)     \
    char __VA_ARGS__; \
    read(__VA_ARGS__);
#define U32(...)     \
    u32 __VA_ARGS__; \
    read(__VA_ARGS__);
#define U64(...)     \
    u64 __VA_ARGS__; \
    read(__VA_ARGS__);
#define I32(...)     \
    i32 __VA_ARGS__; \
    read(__VA_ARGS__);
#define I64(...)     \
    i64 __VA_ARGS__; \
    read(__VA_ARGS__);
#define STR(...)        \
    string __VA_ARGS__; \
    read(__VA_ARGS__);
#define VEC(type, name, size) \
    V<type> name(size);       \
    read(name);
#define VVEC(type, name, size1, size2)    \
    VV<type> name(size1, V<type>(size2)); \
    read(name);
// ============

#ifdef DEBUGF
#else
#define DBG(...) (void)0
#endif

void solve() {
    I32(h, w);
    VEC(string, s, h);
    i32 dx[] = {1, 1, -1, -1}, dy[] = {1, -1, 1, -1};
    VVV<i32> cnt(4, VV<i32>(h, V<i32>(w, 0)));
    PER(i, h) PER(j, w) {
        if (s[i][j] == '#') {
            if (i + 1 < h && j + 1 < w) {
                cnt[0][i][j] = cnt[0][i + 1][j + 1] + 1;
            } else {
                cnt[0][i][j] = 1;
            }
        }
    }
    PER(i, h) REP(j, w) {
        if (s[i][j] == '#') {
            if (i + 1 < h && j - 1 >= 0) {
                cnt[1][i][j] = cnt[1][i + 1][j - 1] + 1;
            } else {
                cnt[1][i][j] = 1;
            }
        }
    }
    REP(i, h) PER(j, w) {
        if (s[i][j] == '#') {
            if (i - 1 >= 0 && j + 1 < w) {
                cnt[2][i][j] = cnt[2][i - 1][j + 1] + 1;
            } else {
                cnt[2][i][j] = 1;
            }
        }
    }
    REP(i, h) REP(j, w) {
        if (s[i][j] == '#') {
            if (i - 1 >= 0 && j - 1 >= 0) {
                cnt[3][i][j] = cnt[3][i - 1][j - 1] + 1;
            } else {
                cnt[3][i][j] = 1;
            }
        }
    }
    VVV<i32> draw(4, VV<i32>(h, V<i32>(w, 0)));
    REP(i, h) REP(j, w) {
        i32 k = INF;
        REP(aaa, 4) {
            chmin(k, cnt[aaa][i][j]);
        }
        if (k >= 2) {
            REP(aaa, 4) {
                chmax(draw[aaa][i][j], k);
            }
            DBG(i, j, k);
        }
    }
    REP(i, h - 1) REP(j, w - 1) {
        chmax(draw[0][i + 1][j + 1], draw[0][i][j] - 1);
    }
    REP(i, h - 1) PER(j, 1, w) {
        chmax(draw[1][i + 1][j - 1], draw[1][i][j] - 1);
    }
    PER(i, 1, h) REP(j, w - 1) {
        chmax(draw[2][i - 1][j + 1], draw[2][i][j] - 1);
    }
    PER(i, 1, h) PER(j, 1, w) {
        chmax(draw[3][i - 1][j - 1], draw[3][i][j] - 1);
    }
    REP(i, h) REP(j, w) {
        if (s[i][j] == '#') {
            i32 k = 0;
            REP(aaa, 4) {
                chmax(k, draw[aaa][i][j]);
            }
            if (k == 0) {
                cout << "No\n";
                return;
            }
        }
    }
    cout << "Yes\n";
}

int main() {
    i32 t = 1;
    // cin >> t;
    while (t--) {
        solve();
    }
}
0