結果

問題 No.5006 Hidden Maze
ユーザー platinumplatinum
提出日時 2022-06-06 15:02:50
言語 C++17
(gcc 12.3.0 + boost 1.83.0)
結果
RE  
(最新)
AC  
(最初)
実行時間 -
コード長 2,730 bytes
コンパイル時間 1,870 ms
実行使用メモリ 22,888 KB
スコア 35,875
平均クエリ数 142.25
最終ジャッジ日時 2022-06-12 13:33:32
合計ジャッジ時間 22,392 ms
ジャッジサーバーID
(参考情報)
judge13 / judge15
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 32 ms
22,004 KB
testcase_01 AC 38 ms
22,456 KB
testcase_02 AC 29 ms
22,692 KB
testcase_03 AC 38 ms
21,952 KB
testcase_04 AC 33 ms
22,216 KB
testcase_05 RE -
testcase_06 RE -
testcase_07 RE -
testcase_08 RE -
testcase_09 RE -
testcase_10 AC 21 ms
21,904 KB
testcase_11 AC 23 ms
21,928 KB
testcase_12 AC 33 ms
21,952 KB
testcase_13 AC 36 ms
22,096 KB
testcase_14 AC 53 ms
21,904 KB
testcase_15 RE -
testcase_16 RE -
testcase_17 RE -
testcase_18 RE -
testcase_19 RE -
testcase_20 AC 21 ms
21,928 KB
testcase_21 AC 23 ms
22,716 KB
testcase_22 AC 22 ms
21,904 KB
testcase_23 AC 25 ms
22,564 KB
testcase_24 AC 54 ms
22,704 KB
testcase_25 RE -
testcase_26 RE -
testcase_27 RE -
testcase_28 RE -
testcase_29 RE -
testcase_30 AC 20 ms
21,780 KB
testcase_31 AC 21 ms
21,992 KB
testcase_32 AC 32 ms
22,600 KB
testcase_33 AC 31 ms
21,768 KB
testcase_34 AC 25 ms
22,004 KB
testcase_35 RE -
testcase_36 RE -
testcase_37 RE -
testcase_38 RE -
testcase_39 RE -
testcase_40 AC 19 ms
22,564 KB
testcase_41 AC 27 ms
21,748 KB
testcase_42 AC 35 ms
22,252 KB
testcase_43 AC 41 ms
21,868 KB
testcase_44 AC 22 ms
21,916 KB
testcase_45 RE -
testcase_46 RE -
testcase_47 RE -
testcase_48 RE -
testcase_49 RE -
testcase_50 AC 24 ms
22,216 KB
testcase_51 AC 35 ms
21,768 KB
testcase_52 AC 28 ms
22,608 KB
testcase_53 AC 42 ms
21,940 KB
testcase_54 AC 20 ms
22,264 KB
testcase_55 RE -
testcase_56 RE -
testcase_57 RE -
testcase_58 RE -
testcase_59 RE -
testcase_60 AC 20 ms
21,892 KB
testcase_61 AC 19 ms
22,288 KB
testcase_62 AC 24 ms
22,552 KB
testcase_63 AC 26 ms
22,264 KB
testcase_64 AC 26 ms
21,904 KB
testcase_65 RE -
testcase_66 RE -
testcase_67 RE -
testcase_68 RE -
testcase_69 RE -
testcase_70 AC 19 ms
21,952 KB
testcase_71 AC 21 ms
21,940 KB
testcase_72 AC 27 ms
21,892 KB
testcase_73 AC 31 ms
22,636 KB
testcase_74 AC 42 ms
22,216 KB
testcase_75 RE -
testcase_76 RE -
testcase_77 RE -
testcase_78 RE -
testcase_79 RE -
testcase_80 AC 21 ms
22,624 KB
testcase_81 AC 23 ms
21,780 KB
testcase_82 AC 26 ms
21,964 KB
testcase_83 AC 19 ms
21,880 KB
testcase_84 AC 40 ms
21,892 KB
testcase_85 RE -
testcase_86 RE -
testcase_87 RE -
testcase_88 RE -
testcase_89 RE -
testcase_90 AC 20 ms
22,276 KB
testcase_91 AC 34 ms
22,004 KB
testcase_92 AC 28 ms
21,928 KB
testcase_93 AC 21 ms
22,240 KB
testcase_94 AC 22 ms
21,768 KB
testcase_95 RE -
testcase_96 RE -
testcase_97 RE -
testcase_98 RE -
testcase_99 RE -
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ソースコード

diff #

#include <bits/stdc++.h>
#define rep(i,n) for(int i = 0; i < (int)(n); i++)

using namespace std;
using LL = long long;
using P = pair<int,int>;
using vv = vector<vector<int>>;
const int INF = (int)1e9;
const LL LINF = (LL)1e18;
const double eps = 1e-5;
const double init_p = 0.20;
const double back = 0.80;
const int min_p = 3;
const int max_p = 10;

double h[20][21], v[21][20];
int H, W, poss;
double p;

string bfs(){
	int dist[20][20];
	rep(i,20){
		rep(j,20) dist[i][j] = -1;
	}
	dist[0][0] = 0;
	queue<P> q;
	q.emplace(0, 0);
	while(!q.empty()){
		pair<int,int> pa = q.front(); q.pop();
		int y = pa.first, x = pa.second;
		int d = dist[y][x];
		if(v[y][x] < back && dist[y-1][x] == -1){
			dist[y-1][x] = d + 1;
			q.emplace(y - 1, x);
		}
		if(v[y+1][x] < back && dist[y+1][x] == -1){
			dist[y+1][x] = d + 1;
			q.emplace(y + 1, x);
		}
		if(h[y][x] < back && dist[y][x-1] == -1){
			dist[y][x-1] = d + 1;
			q.emplace(y, x - 1);
		}
		if(h[y][x+1] < back && dist[y][x+1] == -1){
			dist[y][x+1] = d + 1;
			q.emplace(y, x + 1);
		}
	}
	string res;
	int y = 19, x = 19;
	if(dist[y][x] == -1){
		rep(i,19) res.push_back('R');
		rep(i,19) res.push_back('D');
		return res;
	}
	while(y != 0 || x != 0){
		int d = dist[y][x];
		if(v[y][x] < back && dist[y-1][x] == d - 1){
			res.push_back('D');
			y--;
		}
		else if(v[y+1][x] < back && dist[y+1][x] == d - 1){
			res.push_back('U');
			y++;
		}
		else if(h[y][x] < back && dist[y][x-1] == d - 1){
			res.push_back('R');
			x--;
		}
		else if(h[y][x+1] < back && dist[y][x+1] == d - 1){
			res.push_back('L');
			x++;
		}
		else break;
	}
	reverse(res.begin(), res.end());
	return res;
}

double update(double now_p){
	if(now_p < eps) return now_p;
	double wall_p = now_p + (1.0 - now_p) * p;
	return now_p / wall_p;
}

int main(){
	cin >> H >> W >> poss;
	assert(H == 20 && W == 20);
	assert(min_p <= poss && poss <= max_p);
	p = poss;
	p /= 100;

	rep(i,20){
		h[i][0] = 1.0;
		h[i][20] = 1.0;
	}
	rep(j,20){
		v[0][j] = 1.0;
		v[20][j] = 1.0;
	}
	rep(i,20){
		rep(j,19) h[i][j+1] = init_p;
	}
	rep(i,19){
		rep(j,20) v[i+1][j] = init_p;
	}

	rep(trial,1001){
		string ans = bfs();
		cout << ans << endl;

		int res;
		cin >> res;
		if(res == -1){
			cerr << "score = " << 1000 - trial << endl;
			break;
		}
		int y = 0, x = 0;
		int siz = ans.size();
		rep(i,res){
			char c = ans[i];
			if(c == 'U') v[y][x] = 0, y--;
			if(c == 'D') v[y+1][x] = 0, y++;
			if(c == 'L') h[y][x] = 0, x--;
			if(c == 'R') h[y][x+1] = 0, x++;
		}
		if(res < siz){
			char c = ans[res];
			if(c == 'U') v[y][x] = update(v[y][x]);
			if(c == 'D') v[y+1][x] = update(v[y+1][x]);
			if(c == 'L') h[y][x] = update(h[y][x]);
			if(c == 'R') h[y][x+1] = update(h[y][x+1]);
		}
	}

	return 0;
}
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