結果

問題 No.228 ゆきこちゃんの 15 パズル
ユーザー purupuru
提出日時 2016-08-08 22:19:18
言語 C++14
(gcc 12.3.0 + boost 1.83.0)
結果
AC  
実行時間 2 ms / 5,000 ms
コード長 4,171 bytes
コンパイル時間 1,428 ms
コンパイル使用メモリ 126,744 KB
実行使用メモリ 5,376 KB
最終ジャッジ日時 2024-04-24 22:18:00
合計ジャッジ時間 2,185 ms
ジャッジサーバーID
（参考情報） 		judge4 / judge5
このコードへのチャレンジ
（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 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 2 ms
5,376 KB
testcase_06 AC 2 ms
5,376 KB
testcase_07 AC 2 ms
5,376 KB
testcase_08 AC 2 ms
5,376 KB
testcase_09 AC 2 ms
5,376 KB
testcase_10 AC 2 ms
5,376 KB
testcase_11 AC 2 ms
5,376 KB
testcase_12 AC 2 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 2 ms
5,376 KB
testcase_19 AC 2 ms
5,376 KB
権限があれば一括ダウンロードができます
コンパイルメッセージ
main.cpp: In function 'int main()':
main.cpp:167:16: warning: 'sr' may be used uninitialized [-Wmaybe-uninitialized]
  167 |         used[sr][sc] = true;
      |                ^
main.cpp:151:9: note: 'sr' was declared here
  151 |     int sr, sc;
      |         ^~
In file included from /home/linuxbrew/.linuxbrew/Cellar/gcc/13.2.0/include/c++/13/vector:67,
                 from /home/linuxbrew/.linuxbrew/Cellar/gcc/13.2.0/include/c++/13/queue:63,
                 from main.cpp:39:
In member function 'std::vector<bool, _Alloc>::reference std::vector<bool, _Alloc>::operator[](size_type) [with _Alloc = std::allocator<bool>]',
    inlined from 'int main()' at main.cpp:167:20:
/home/linuxbrew/.linuxbrew/Cellar/gcc/13.2.0/include/c++/13/bits/stl_bvector.h:1050:23: warning: 'sc' may be used uninitialized [-Wmaybe-uninitialized]
 1050 |       { return begin()[__n]; }
      |                ~~~~~~~^
main.cpp: In function 'int main()':
main.cpp:151:13: note: 'sc' was declared here
  151 |     int sr, sc;
      |             ^~

ソースコード

diff # 

#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>

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 << 29;
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 sr, sc;
    vvi block(4, vi(4));
    rep(i, 4) {
        rep(j, 4) {
            cin >> block[i][j];
            if (block[i][j] == 0)
                sr = i, sc = j;
        }
    }

    vector<vector<bool>> used(4, vector<bool>(4, false));

    const int dr[] = {1, 0, -1, 0};
    const int dc[] = {0, -1, 0, 1};

    while (true) {
        used[sr][sc] = true;

        int target = (sr * 4 + sc + 1) % 16;
        if (target == block[sr][sc]) {
            break;
        }
        bool move = false;
        rep(i, 4) {
            int nr = sr + dr[i];
            int nc = sc + dc[i];
            if (0 <= nr && nr < 4 && 0 <= nc && nc < 4 && !used[nr][nc]) {
                if (target == block[nr][nc]) {
                    swap(block[nr][nc], block[sr][sc]);
                    sr = nr, sc = nc;
                    move = true;
                    break;
                }
            }
        }

        if (!move)
            break;
    }

    rep(r, 4) {
        rep(c, 4) {
            if (block[r][c] != (r * 4 + c + 1) % 16) {
                cout << "No" << endl;
                return 0;
            }
        }
    }


    cout << "Yes" << endl;

    return 0;
}
0