結果
問題 | No.424 立体迷路 |
ユーザー | sekiya9311 |
提出日時 | 2016-09-22 22:48:36 |
言語 | C++14 (gcc 12.3.0 + boost 1.83.0) |
結果 |
AC
|
実行時間 | 2 ms / 2,000 ms |
コード長 | 3,043 bytes |
コンパイル時間 | 1,418 ms |
コンパイル使用メモリ | 118,144 KB |
実行使用メモリ | 5,376 KB |
最終ジャッジ日時 | 2024-07-05 07:02:41 |
合計ジャッジ時間 | 2,046 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 | 1 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 | 1 ms
5,376 KB |
testcase_05 | AC | 2 ms
5,376 KB |
testcase_06 | AC | 1 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 | 1 ms
5,376 KB |
testcase_12 | AC | 1 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 |
testcase_20 | AC | 2 ms
5,376 KB |
testcase_21 | AC | 2 ms
5,376 KB |
testcase_22 | AC | 1 ms
5,376 KB |
testcase_23 | AC | 2 ms
5,376 KB |
testcase_24 | AC | 2 ms
5,376 KB |
testcase_25 | AC | 2 ms
5,376 KB |
ソースコード
#include <iostream> #include <string> #include <queue> #include <stack> #include <algorithm> #include <list> #include <vector> #include <complex> #include <utility> #include <cstdio> #include <cstdlib> #include <cstring> #include <cmath> #include <climits> #include <bitset> #include <ctime> #include <map> #include <unordered_map> #include <set> #include <unordered_set> #include <cassert> #include <cstddef> #include <iomanip> #include <numeric> #include <tuple> #include <sstream> #include <fstream> #define REP(i, n) for (int (i) = 0; (i) < (n); (i)++) #define FOR(i, a, b) for (int (i) = (a); (i) < (b); (i)++) #define RREP(i, a) for(int (i) = (a)-1; (i) >= 0; (i)--) #define FORR(i, a, b) for(int (i) = (a)-1; (i) >= (b); (i)--) #define PI acos(-1.0) #define DEBUG(C) cerr << C << endl; #define VI vector <int> #define VII vector <VI> #define VL vector <LL> #define VLL vector <VL> #define VD vector <double> #define VDD vector <VD> #define PII pair <int, int> #define PDD pair <double, double> #define PLL pair <LL, LL> #define VPII vector <PII> #define ALL(a) (a).begin(), (a).end() #define SORT(a) sort(ALL(a)) #define REVERSE(a) reverse(ALL(a)) #define MP make_pair #define FORE(a, b) for (auto &&a:b) #define FIND(s, e) (s.find(e) != s.end()) #define EB emplace_back using namespace std; typedef long long LL; typedef unsigned long long ULL; const int INF = 1e9; const int MOD = INF + 7; const LL LLINF = 1e18; int dx[] = {0, 0, -1, 1}; int dy[] = {1, -1, 0, 0}; int hx[] = {0, 0, -2, 2}; int hy[] = {2, -2, 0, 0}; int H, W; PII start, goal; vector <string> b; vector <vector <bool>> is; #define X first #define Y second bool inside(int x, int y) { bool res = true; if (x < 0 || H <= x) res = false; if (y < 0 || W <= x) res = false; return res; } bool dfs(PII now) { //cerr << now.X << " " << now.Y << endl; if (now == goal) { return true; } int nx = now.X, ny = now.Y; if (is[nx][ny]) { return false; } is[nx][ny] = true; REP(i, 4) { int ndx = nx + dx[i]; int ndy = ny + dy[i]; //cerr << ndx << " " << ndy << endl; if (!inside(ndx, ndy)) continue; if (abs(b[nx][ny] - b[ndx][ndy]) <= 1 && dfs({ndx, ndy})) { return true; } } REP(i, 4) { int ndx = nx + dx[i]; int ndy = ny + dy[i]; int nhx = nx + hx[i]; int nhy = ny + hy[i]; //cerr << nhx << " " << nhy << endl; if (!inside(nhx, nhy)) continue; if (abs(b[nx][ny] - b[nhx][nhy])) continue; if (b[nx][ny] <= b[ndx][ndy]) continue; if (dfs({nhx, nhy})) { return true; } } return false; } int main(void) { cin >> H >> W; b.resize(H); is.resize(H); cin >> start.X >> start.Y; cin >> goal.X >> goal.Y; start.X--;start.Y--; goal.X--;goal.Y--; REP(i, H) { cin >> b[i]; is[i].resize(W, false); } if (dfs(start)) { cout << "YES" << endl; } else { cout << "NO" << endl; } }