結果
問題 | No.228 ゆきこちゃんの 15 パズル |
ユーザー | komori3 |
提出日時 | 2017-10-03 04:12:06 |
言語 | C++11 (gcc 11.4.0) |
結果 |
AC
|
実行時間 | 2 ms / 5,000 ms |
コード長 | 3,762 bytes |
コンパイル時間 | 635 ms |
コンパイル使用メモリ | 80,888 KB |
実行使用メモリ | 6,820 KB |
最終ジャッジ日時 | 2024-11-15 22:58:27 |
合計ジャッジ時間 | 1,399 ms |
ジャッジサーバーID (参考情報) |
judge1 / judge2 |
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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
6,816 KB |
testcase_01 | AC | 2 ms
6,820 KB |
testcase_02 | AC | 2 ms
6,816 KB |
testcase_03 | AC | 2 ms
6,816 KB |
testcase_04 | AC | 2 ms
6,820 KB |
testcase_05 | AC | 2 ms
6,816 KB |
testcase_06 | AC | 2 ms
6,816 KB |
testcase_07 | AC | 2 ms
6,816 KB |
testcase_08 | AC | 2 ms
6,820 KB |
testcase_09 | AC | 2 ms
6,820 KB |
testcase_10 | AC | 2 ms
6,816 KB |
testcase_11 | AC | 1 ms
6,816 KB |
testcase_12 | AC | 2 ms
6,816 KB |
testcase_13 | AC | 2 ms
6,820 KB |
testcase_14 | AC | 2 ms
6,816 KB |
testcase_15 | AC | 2 ms
6,820 KB |
testcase_16 | AC | 2 ms
6,816 KB |
testcase_17 | AC | 1 ms
6,820 KB |
testcase_18 | AC | 2 ms
6,820 KB |
testcase_19 | AC | 2 ms
6,816 KB |
ソースコード
#define _CRT_SECURE_NO_WARNINGS #include <iostream> #include <climits> #include <cmath> #include <string> #include <vector> #include <algorithm> #include <queue> #include <map> #include <functional> #include <set> #include <numeric> #include <stack> #include <utility> #include <time.h> //#include "util.h" using namespace std; typedef unsigned uint; typedef long long ll; typedef unsigned long long ull; //呪文 template <typename _KTy, typename _Ty> ostream& operator << (ostream& ostr, const pair<_KTy, _Ty>& m) { cout << "{" << m.first << ", " << m.second << "}"; return ostr; } template <typename _KTy, typename _Ty> ostream& operator << (ostream& ostr, const map<_KTy, _Ty>& m) { if (m.empty()) { cout << "{ }"; return ostr; } cout << "{" << *m.begin(); for (auto itr = ++m.begin(); itr != m.end(); itr++) { cout << ", " << *itr; } cout << "}"; return ostr; } template <typename _Ty> ostream& operator << (ostream& ostr, const vector<_Ty>& v) { if (v.empty()) { cout << "{ }"; return ostr; } cout << "{" << v.front(); for (auto itr = ++v.begin(); itr != v.end(); itr++) { cout << ", " << *itr; } cout << "}"; return ostr; } template <typename _Ty> ostream& operator << (ostream& ostr, const set<_Ty>& s) { if (s.empty()) { cout << "{ }"; return ostr; } cout << "{" << *(s.begin()); for (auto itr = ++s.begin(); itr != s.end(); itr++) { cout << ", " << *itr; } cout << "}"; return ostr; } #define PI 3.14159265358979323846 #define EPS 1e-6 #define MIN(a,b) ((a)<(b)?(a):(b)) #define MAX(a,b) ((a)>(b)?(a):(b)) #define all(x) (x).begin(), (x).end() enum DIR { RIGHT = 0, UP = 1, LEFT = 2, DOWN = 3 }; struct hoge { int mp[16]; int vacant; int moved; }; void init(hoge& obj) { for (int i = 0; i < 15; i++) obj.mp[i] = i + 1; obj.mp[15] = 0; obj.vacant = 15; obj.moved = 1; } bool movable(hoge& obj, DIR dir) { int* mp = obj.mp; int& vacant = obj.vacant; int& moved = obj.moved; switch (dir) { case RIGHT: if (vacant % 4 == 3) return false; if (moved & (1 << mp[vacant + 1])) return false; return true; break; case UP: if (vacant < 4) return false; if (moved & (1 << mp[vacant - 4])) return false; return true; break; case LEFT: if (vacant % 4 == 0) return false; if (moved & (1 << mp[vacant - 1])) return false; return true; break; case DOWN: if (vacant >= 12) return false; if (moved & (1 << mp[vacant + 4])) return false; return true; break; default: break; } cout << "err : movable" << endl; return false; } hoge move(hoge obj, DIR dir) { int* mp = obj.mp; int& vacant = obj.vacant; int& moved = obj.moved; switch (dir) { case RIGHT: swap(mp[vacant], mp[vacant + 1]); moved |= (1 << mp[vacant]); vacant++; break; case UP: swap(mp[vacant], mp[vacant - 4]); moved |= (1 << mp[vacant]); vacant -= 4; break; case LEFT: swap(mp[vacant], mp[vacant - 1]); moved |= (1 << mp[vacant]); vacant--; break; case DOWN: swap(mp[vacant], mp[vacant + 4]); moved |= (1 << mp[vacant]); vacant += 4; break; default: break; } return obj; } bool equal(int* mp1, int* mp2) { for (int i = 0; i < 16; i++) if (mp1[i] != mp2[i]) return false; return true; } int mp_target[16]; bool flag = false; void rec(hoge obj) { if (equal(obj.mp, mp_target)) flag = true; if (flag) return; //全部動かした if (obj.moved == (1 << 16) - 1) return; for (int dir = 0; dir < 4; dir++) { if (movable(obj, (DIR)dir)) { rec(move(obj, (DIR)dir)); } } } int yuki0228() { hoge obj; init(obj); for (int i = 0; i < 16; i++) cin >> mp_target[i]; rec(obj); cout << (flag ? "Yes" : "No") << endl; return 0; } int main() { //clock_t start, end; //start = clock(); yuki0228(); //end = clock(); //printf("%d msec.\n", end - start); return 0; }