結果

問題 No.228 ゆきこちゃんの 15 パズル
コンテスト
ユーザー Bantako
提出日時 2018-05-27 19:35:20
言語 C++14
(gcc 13.3.0 + boost 1.87.0)
結果
AC  
実行時間 2 ms / 5,000 ms
コード長 1,777 bytes
コンパイル時間 1,355 ms
コンパイル使用メモリ 167,628 KB
実行使用メモリ 5,376 KB
最終ジャッジ日時 2024-06-28 19:09:29
合計ジャッジ時間 2,200 ms
ジャッジサーバーID
（参考情報） 		judge4 / judge3
このコードへのチャレンジ
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ファイルパターン 結果
sample AC * 3
other AC * 17
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:6:1: warning: ISO C++ forbids declaration of 'main' with no type [-Wreturn-type]
    6 | main(){
      | ^~~~
In file included from /home/linuxbrew/.linuxbrew/Cellar/gcc@12/12.3.0/include/c++/12/bits/exception_ptr.h:43,
                 from /home/linuxbrew/.linuxbrew/Cellar/gcc@12/12.3.0/include/c++/12/exception:168,
                 from /home/linuxbrew/.linuxbrew/Cellar/gcc@12/12.3.0/include/c++/12/ios:39,
                 from /home/linuxbrew/.linuxbrew/Cellar/gcc@12/12.3.0/include/c++/12/istream:38,
                 from /home/linuxbrew/.linuxbrew/Cellar/gcc@12/12.3.0/include/c++/12/sstream:38,
                 from /home/linuxbrew/.linuxbrew/Cellar/gcc@12/12.3.0/include/c++/12/complex:45,
                 from /home/linuxbrew/.linuxbrew/Cellar/gcc@12/12.3.0/include/c++/12/ccomplex:39,
                 from /home/linuxbrew/.linuxbrew/Cellar/gcc@12/12.3.0/include/c++/12/x86_64-pc-linux-gnu/bits/stdc++.h:54,
                 from main.cpp:1:
In function 'std::_Require<std::__not_<std::__is_tuple_like<_Tp> >, std::is_move_constructible<_Tp>, std::is_move_assignable<_Tp> > std::swap(_Tp&, _Tp&) [with _Tp = int]',
    inlined from 'int main()' at main.cpp:27:21:
/home/linuxbrew/.linuxbrew/Cellar/gcc@12/12.3.0/include/c++/12/bits/move.h:206:11: warning: 'y' may be used uninitialized [-Wmaybe-uninitialized]
  206 |       __b = _GLIBCXX_MOVE(__tmp);
      |           ^
main.cpp: In function 'int main()':
main.cpp:9:11: note: 'y' was declared here
    9 |     int x,y;
      |           ^
In function 'std::_Require<std::__not_<std::__is_tuple_like<_Tp> >, std::is_move_constructible<_Tp>, std::is_move_assignable<_Tp> > std::swap(_Tp&, _Tp&) [with _Tp = int]',
    inlined from 'int main()' at main.cpp:27:21:
/home/linuxbrew/.linuxbrew/Cellar/gcc@12/12.3.0/include/c++/12/bits/move.h:206:11: warning: 'x' may be used uninitialized [-Wmaybe-uninitialized]
  206 |       __b = _GLIBCXX_MOVE(__tmp);
      |           ^
main.cpp: In function 'int main()':
main.cpp:9:9: no

ソースコード

diff # 

#include<bits/stdc++.h>
typedef long long ll;
using namespace std;
int INF = 1LL << 30;
int MOD = 1e9+7;
main(){
    int A[4][4],table[4][4] = {};//座標が合わないなら1
    for(int i = 0;i < 4;i++)for(int j = 0;j < 4;j++)cin >> A[i][j];
    int x,y;
    for(int i = 0;i < 4;i++)for(int j = 0;j < 4;j++){
        if(A[i][j] && A[i][j] != i*4 + j + 1)table[i][j] = 1;
        if(A[i][j] == 0){
            y = i,x = j;
        }
    }

    //movable
    bool movable = 0;
    for(int i = 0;i < 4;i++)for(int j = 0;j < 4;j++)movable |= table[i][j];
    while(movable){
        bool ismoved = 0;
        int dx[] = {0,0,1,-1}, dy[] = {1,-1,0,0};
        for(int i = 0;i < 4;i++){
            int nx = x + dx[i], ny = y + dy[i];
            if(nx < 0 || nx >= 4 || ny < 0 || ny >= 4)continue;
            if(table[ny][nx] && (A[ny][nx] == y*4 + x + 1)){
                swap(A[ny][nx], A[y][x]);
                table[ny][nx] = 0; 
                y = ny,x = nx;
                ismoved = 1;
                break;
            }
        }
        /*
        cout << y << " " << x << endl;
        
        for(int i = 0;i < 4;i++){
            for(int j = 0;j < 4;j++){
                cout << table[i][j] << " ";
            }cout << endl;
        }
        for(int i = 0;i < 4;i++){
            for(int j = 0;j < 4;j++){
                cout << A[i][j] << " ";
            }cout << endl;
        }        
              */
        movable = 0;
        for(int i = 0;i < 4;i++)for(int j = 0;j < 4;j++)movable |= table[i][j];
        if(!ismoved)movable = 0;
    }

    //judge
    bool ok = 1;
    for(int i = 0;i < 4;i++)for(int j = 0;j < 4;j++){
        if(A[i][j] && A[i][j] != i*4 + j + 1)ok = 0;
    }
    if(ok)cout << "Yes" << endl;
    else  cout << "No" << endl;
}
0