結果

問題 No.20 砂漠のオアシス
コンテスト
ユーザー h_noson
提出日時 2016-05-18 13:38:01
言語 C++11
(gcc 15.2.0 + boost 1.89.0)
コンパイル:
g++-15 -O2 -lm -std=gnu++11 -Wuninitialized -DONLINE_JUDGE -o a.out _filename_
実行:
./a.out
結果
CE  
(最新)
AC  
(最初)
実行時間 -
コード長 1,393 bytes
記録
記録タグの例:
初AC ショートコード 純ショートコード 純主流ショートコード 最速実行時間
コンパイル時間 511 ms
コンパイル使用メモリ 78,812 KB
最終ジャッジ日時 2026-04-30 13:11:35
合計ジャッジ時間 3,819 ms
ジャッジサーバーID
(参考情報)
judge3_1 / judge2_0
このコードへのチャレンジ
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コンパイルエラー時のメッセージ・ソースコードは、提出者また管理者しか表示できないようにしております。(リジャッジ後のコンパイルエラーは公開されます)
ただし、clay言語の場合は開発者のデバッグのため、公開されます。

コンパイルメッセージ
main.cpp: In function 'int main()':
main.cpp:23:12: error: 'make_tuple' was not declared in this scope
   23 |     q.push(make_tuple(v,1,1,0));
      |            ^~~~~~~~~~
main.cpp:6:1: note: 'std::make_tuple' is defined in header '<tuple>'; this is probably fixable by adding '#include <tuple>'
    5 | #include <iomanip>
  +++ |+#include <tuple>
    6 | using namespace std;
main.cpp:26:23: error: no matching function for call to 'get<1>(const __gnu_cxx::__alloc_traits<std::allocator<std::tuple<int, int, int, bool> >, std::tuple<int, int, int, bool> >::value_type&)'
   26 |         int y = get<1>(q.top());
      |                 ~~~~~~^~~~~~~~~
main.cpp:26:23: note: there are 12 candidates
In file included from /home/linuxbrew/.linuxbrew/Cellar/gcc/15.2.0_1/include/c++/15/bits/stl_algobase.h:64,
                 from /home/linuxbrew/.linuxbrew/Cellar/gcc/15.2.0_1/include/c++/15/string:53,
                 from /home/linuxbrew/.linuxbrew/Cellar/gcc/15.2.0_1/include/c++/15/bits/locale_classes.h:42,
                 from /home/linuxbrew/.linuxbrew/Cellar/gcc/15.2.0_1/include/c++/15/bits/ios_base.h:43,
                 from /home/linuxbrew/.linuxbrew/Cellar/gcc/15.2.0_1/include/c++/15/ios:46,
                 from /home/linuxbrew/.linuxbrew/Cellar/gcc/15.2.0_1/include/c++/15/bits/ostream.h:43,
                 from /home/linuxbrew/.linuxbrew/Cellar/gcc/15.2.0_1/include/c++/15/ostream:42,
                 from /home/linuxbrew/.linuxbrew/Cellar/gcc/15.2.0_1/include/c++/15/iostream:43,
                 from main.cpp:1:
/home/linuxbrew/.linuxbrew/Cellar/gcc/15.2.0_1/include/c++/15/bits/stl_pair.h:1283:5: note: candidate 1: 'template<long unsigned int _Int, class _Tp1, class _Tp2> constexpr typename std::tuple_element<_Int, std::pair<_Tp1, _Tp2> >::type& std::get(pair<_Tp1, _Tp2>&)'
 1283 |     get(pair<_Tp1, _Tp2>& __in) noexcept
      |     ^~~
/home/linuxbrew/.linuxbrew/Cellar/gcc/15.2.0_1/include/c++/15/bits/stl_pair.h:1283:5: note: template argument deduction/substitu

ソースコード

diff #
raw source code

#include <iostream>
#include <vector>
#include <algorithm>
#include <queue>
#include <iomanip>
using namespace std;

#define RREP(i,s,e) for (i = s; i >= e; i--)
#define rrep(i,n) RREP(i,(int)(n)-1,0)
#define REP(i,s,e) for (i = s; i <= e; i++)
#define rep(i,n) REP(i,0,(int)(n)-1)
#define INF 100000000

typedef long long ll;

int main() {
    int i, j, n, v, ox, oy;
    int l[201][201];
    int hp[2][201][201] {};
    priority_queue<tuple<int,int,int,bool>> q; // (hp,x,y,oasis)
    cin >> n >> v >> ox >> oy;
    REP (i,1,n) REP (j,1,n) cin >> l[i][j];
    q.push(make_tuple(v,1,1,0));
    hp[0][1][1] = v;
    while (!q.empty()) {
        int y = get<1>(q.top());
        int x = get<2>(q.top());
        bool oasis = get<3>(q.top());
        q.pop();
        int dxy[4] = {-1,0,1,0};
        rep (i,4) {
            int nx = x + dxy[i];
            int ny = y + dxy[(i+1)%4];
            if (nx < 1 || nx > n || ny < 1 || ny > n)
                continue;
            bool noasis = oasis || nx == ox && ny == oy;
            int nhp = (hp[oasis][y][x] - l[ny][nx]) * (noasis != oasis ? 2 : 1);
            if (hp[noasis][ny][nx] < nhp) {
                hp[noasis][ny][nx] = nhp;
                q.push(make_tuple(nhp,ny,nx,noasis));
            }
        }
    }
    if (hp[0][n][n] || hp[1][n][n])
        cout << "YES" << endl;
    else
        cout << "NO" << endl;
    return 0;
}
0