#124943 (C++14) No.179 塗り分け

• 問題: No.179 塗り分け
• ユーザー: puru
• 提出日時: 2016-10-19 22:14:51
• 言語: C++14 (gcc 12.3.0 + boost 1.83.0)
• 結果: AC
• 実行時間: 37 ms / 3,000 ms
• コード長: 4,464 bytes
• コンパイル時間: 1,340 ms
• コンパイル使用メモリ: 129,172 KB
• 実行使用メモリ: 5,376 KB
• 最終ジャッジ日時: 2024-07-23 14:39:21
• 合計ジャッジ時間: 2,951 ms
• ジャッジサーバーID （参考情報）: judge5 / judge4

入力	結果	実行時間; 実行使用メモリ
testcase_00	AC	2 ms; 5,248 KB
testcase_01	AC	2 ms; 5,376 KB
testcase_02	AC	2 ms; 5,376 KB
testcase_03	AC	2 ms; 5,376 KB
testcase_04	AC	2 ms; 5,376 KB
testcase_05	AC	5 ms; 5,376 KB
testcase_06	AC	2 ms; 5,376 KB
testcase_07	AC	2 ms; 5,376 KB
testcase_08	AC	29 ms; 5,376 KB
testcase_09	AC	29 ms; 5,376 KB
testcase_10	AC	15 ms; 5,376 KB
testcase_11	AC	14 ms; 5,376 KB
testcase_12	AC	26 ms; 5,376 KB
testcase_13	AC	2 ms; 5,376 KB
testcase_14	AC	2 ms; 5,376 KB
testcase_15	AC	2 ms; 5,376 KB
testcase_16	AC	2 ms; 5,376 KB
testcase_17	AC	2 ms; 5,376 KB
testcase_18	AC	15 ms; 5,376 KB
testcase_19	AC	15 ms; 5,376 KB
testcase_20	AC	27 ms; 5,376 KB
testcase_21	AC	32 ms; 5,376 KB
testcase_22	AC	37 ms; 5,376 KB
testcase_23	AC	15 ms; 5,376 KB
testcase_24	AC	30 ms; 5,376 KB
testcase_25	AC	15 ms; 5,376 KB
testcase_26	AC	18 ms; 5,376 KB
testcase_27	AC	29 ms; 5,376 KB
testcase_28	AC	16 ms; 5,376 KB
testcase_29	AC	29 ms; 5,376 KB
testcase_30	AC	21 ms; 5,376 KB
testcase_31	AC	29 ms; 5,376 KB
testcase_32	AC	19 ms; 5,376 KB
testcase_33	AC	29 ms; 5,376 KB
testcase_34	AC	18 ms; 5,376 KB
testcase_35	AC	28 ms; 5,376 KB
testcase_36	AC	2 ms; 5,376 KB
testcase_37	AC	2 ms; 5,376 KB
testcase_38	AC	2 ms; 5,376 KB
testcase_39	AC	2 ms; 5,376 KB
testcase_40	AC	2 ms; 5,376 KB
testcase_41	AC	2 ms; 5,376 KB
testcase_42	AC	2 ms; 5,376 KB
testcase_43	AC	3 ms; 5,376 KB
testcase_44	AC	5 ms; 5,376 KB
testcase_45	AC	2 ms; 5,376 KB

ソースコード

#include <cctype>
#include <cerrno>
#include <cfloat>
#include <ciso646>
#include <climits>
#include <clocale>
#include <cmath>
#include <csetjmp>
#include <csignal>
#include <cstdarg>
#include <cstddef>
#include <cstdio>
#include <cstdlib>
#include <cstring>
#include <ctime>

// C++
#include <algorithm>
#include <bitset>
#include <complex>
#include <deque>
#include <exception>
#include <fstream>
#include <functional>
#include <iomanip>
#include <ios>
#include <iosfwd>
#include <iostream>
#include <istream>
#include <iterator>
#include <limits>
#include <list>
#include <locale>
#include <map>
#include <memory>
#include <new>
#include <numeric>
#include <ostream>
#include <queue>
#include <set>
#include <sstream>
#include <stack>
#include <stdexcept>
#include <streambuf>
#include <string>
#include <typeinfo>
#include <utility>
#include <valarray>
#include <vector>

#include <unordered_set>
#include <unordered_map>

using namespace std;

#define all(c) ((c).begin()), ((c).end())
#define dump(c) cerr << "> " << #c << " = " << (c) << endl;
#define iter(c) __typeof((c).begin())
#define tr(i, c) for (iter(c) i = (c).begin(); i != (c).end(); i++)
#define REP(i, a, b) for (int i = a; i < (int)(b); i++)
#define rep(i, n) REP(i, 0, n)
#define mp make_pair
#define fst first
#define snd second
#define pb push_back
#define debug(fmt, ...) \
        fprintf( stderr, \
                  fmt "\n", \
                  ##__VA_ARGS__ \
        )

typedef unsigned int uint;
typedef long long ll;
typedef unsigned long long ull;
typedef vector<int> vi;
typedef vector<ll> vll;
typedef vector<vll> vvll;
typedef vector<vi> vvi;
typedef vector<double> vd;
typedef vector<vd> vvd;
typedef vector<string> vs;
typedef pair<int, int> pii;
typedef pair<ll, ll> pll;

const int INF = 1 << 30;
const double EPS = 1e-10;

double zero(double d) {
    return d < EPS ? 0.0 : d;
}

template<class T>
bool chmax(T &a, const T &b) {
    if (a < b) {
        a = b;
        return true;
    }
    return false;
}

template<class T>
bool chmin(T &a, const T &b) {
    if (b < a) {
        a = b;
        return true;
    }
    return false;
}

#define UNIQUE(v) v.erase( unique(v.begin(), v.end()), v.end() );

template<typename T1, typename T2>
ostream &operator<<(ostream &os, const pair<T1, T2> &p) {
    return os << '(' << p.first << ',' << p.second << ')';
}

template<typename T>
ostream &operator<<(ostream &os, const vector<T> &a) {
    os << '[';
    rep(i, a.size()) os << (i ? " " : "") << a[i];
    return os << ']';
}

string toString(int i) {
    stringstream ss;
    ss << i;
    return ss.str();
}

const int MOD = 1000000007;

// a^k
ll fpow(ll a, ll k, int M) {
    ll res = 1ll;
    ll x = a;
    while (k != 0) {
        if ((k & 1) == 1)
            res = (res * x) % M;
        x = (x * x) % M;
        k >>= 1;
    }
    return res;
}

struct prepare {
    prepare() {
        cout.setf(ios::fixed, ios::floatfield);
        cout.precision(8);
        ios_base::sync_with_stdio(false);
    }
} _prepare;

int main() {
    int H, W;
    cin >> H >> W;

    vector<string> fields(H);
    rep(i, H)cin >> fields[i];

    // white check
    rep(i, H) {
        rep(j, W) {
            if (fields[i][j] == '#') {
                i = H + 10000;
                j = W + 10000;
                break;
            }

            if (i == H - 1 && j == W - 1) {
                cout << "NO" << endl;
                return 0;
            }
        }
    }


    REP(r, -H, H + 1) {
        REP(c, -W, W + 1) {
            if (r == 0 && c == 0)
                continue;

            vvi dp(H, vi(W, -1));
            bool ok = true;
            rep(i, H) {
                rep(j, W) {
                    int nr = i + r;
                    int nc = j + c;

                    if (fields[i][j] == '#' && dp[i][j] == -1) {
                        if (nr < 0 || nr >= H || nc < 0 || nc >= W ||
                            dp[i][j] != -1 || dp[nr][nc] != -1 || fields[nr][nc] != '#') {

                            i = H + 100;
                            j = W + 100;
                            ok = false;

                            break;
                        }
                        dp[i][j] = 0;
                        dp[nr][nc] = 1;
                    }
                }
            }

            if (ok) {
                cout << "YES" << endl;
                return 0;
            }
        }
    }

    cout << "NO" << endl;

    return 0;
}