結果
問題 | No.424 立体迷路 |
ユーザー | mdj982 |
提出日時 | 2019-03-05 02:14:44 |
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 | 3,986 bytes |
コンパイル時間 | 1,508 ms |
コンパイル使用メモリ | 178,296 KB |
実行使用メモリ | 5,376 KB |
最終ジャッジ日時 | 2024-07-05 07:18:01 |
合計ジャッジ時間 | 2,204 ms |
ジャッジサーバーID (参考情報) |
judge5 / judge1 |
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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
5,248 KB |
testcase_01 | AC | 2 ms
5,376 KB |
testcase_02 | AC | 1 ms
5,376 KB |
testcase_03 | AC | 1 ms
5,376 KB |
testcase_04 | AC | 2 ms
5,376 KB |
testcase_05 | AC | 1 ms
5,376 KB |
testcase_06 | AC | 1 ms
5,376 KB |
testcase_07 | AC | 1 ms
5,376 KB |
testcase_08 | AC | 2 ms
5,376 KB |
testcase_09 | AC | 2 ms
5,376 KB |
testcase_10 | AC | 1 ms
5,376 KB |
testcase_11 | AC | 2 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 | 1 ms
5,376 KB |
testcase_16 | AC | 1 ms
5,376 KB |
testcase_17 | AC | 1 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 | 1 ms
5,376 KB |
testcase_22 | AC | 2 ms
5,376 KB |
testcase_23 | AC | 1 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 <bits/stdc++.h> using namespace std; using vi = vector<int>; using vvi = vector<vi>; using vvvi = vector<vvi>; using ll = long long int; using vll = vector<ll>; using vvll = vector<vll>; using vvvll = vector<vvll>; using vd = vector<double>; using vvd = vector<vd>; using vvvd = vector<vvd>; using P = pair<int, int>; using Pll = pair<ll, ll>; using cdouble = complex<double>; const double eps = 1e-9; const double INFD = numeric_limits<double>::infinity(); const double PI = 3.14159265358979323846; #define Loop(i, n) for(int i = 0; i < (int)n; i++) #define Loopll(i, n) for(ll i = 0; i < (ll)n; i++) #define Loop1(i, n) for(int i = 1; i <= (int)n; i++) #define Loopll1(i, n) for(ll i = 1; i <= (ll)n; i++) #define Loopr(i, n) for(int i = (int)n - 1; i >= 0; i--) #define Looprll(i, n) for(ll i = (ll)n - 1; i >= 0; i--) #define Loopr1(i, n) for(int i = (int)n; i >= 1; i--) #define Looprll1(i, n) for(ll i = (ll)n; i >= 1; i--) #define Foreach(buf, container) for(auto buf : container) #define Loopdiag(i, j, h, w, sum) for(int i = ((sum) >= (h) ? (h) - 1 : (sum)), j = (sum) - i; i >= 0 && j < (w); i--, j++) #define Loopdiagr(i, j, h, w, sum) for(int j = ((sum) >= (w) ? (w) - 1 : (sum)), i = (sum) - j; j >= 0 && i < (h); j--, i++) #define Loopdiagsym(i, j, h, w, gap) for (int i = ((gap) >= 0 ? (gap) : 0), j = i - (gap); i < (h) && j < (w); i++, j++) #define Loopdiagsymr(i, j, h, w, gap) for (int i = ((gap) > (h) - (w) - 1 ? (h) - 1 : (w) - 1 + (gap)), j = i - (gap); i >= 0 && j >= 0; i--, j--) #define Loopitr(itr, container) for(auto itr = container.begin(); itr != container.end(); itr++) #define printv(vector) Loop(ex_i, vector.size()) { cout << vector[ex_i] << " "; } cout << endl; #define printmx(matrix) Loop(ex_i, matrix.size()) { Loop(ex_j, matrix[ex_i].size()) { cout << matrix[ex_i][ex_j] << " "; } cout << endl; } #define quickio() ios::sync_with_stdio(false); cin.tie(0); #define bitmanip(m,val) static_cast<bitset<(int)m>>(val) #define Comp(type_t) bool operator<(const type_t &another) const #define fst first #define snd second bool nearlyeq(double x, double y) { return abs(x - y) < eps; } bool inrange(int x, int t) { return x >= 0 && x < t; } bool inrange(vi xs, int t) { Foreach(x, xs) if (!(x >= 0 && x < t)) return false; return true; } ll rndf(double x) { return (ll)(x + (x >= 0 ? 0.5 : -0.5)); } ll floorsqrt(ll x) { ll m = (ll)sqrt((double)x); return m + (m * m <= x ? 0 : -1); } ll ceilsqrt(ll x) { ll m = (ll)sqrt((double)x); return m + (x <= m * m ? 0 : 1); } ll rnddiv(ll a, ll b) { return (a / b + (a % b * 2 >= b ? 1 : 0)); } ll ceildiv(ll a, ll b) { return (a / b + (a % b == 0 ? 0 : 1)); } ll gcd(ll m, ll n) { if (n == 0) return m; else return gcd(n, m % n); } ll lcm(ll m, ll n) { return m * n / gcd(m, n); } /*******************************************************/ int main() { int n, m; cin >> n >> m; int si, sj, ti, tj; cin >> si >> sj >> ti >> tj; si--; sj--; ti--; tj--; vvi board(n, vi(m)); Loop(i, n) { string s; cin >> s; Loop(j, m) { board[i][j] = s[j] - '0'; } } vi di = { 0,0,-1,1 }; vi dj = { -1,1,0,0 }; vi di2 = { 0,0,-2,2 }; vi dj2 = { -2,2,0,0 }; vvi able(n, vi(m)); stack<P> stk; able[si][sj] = 1; stk.push({ si, sj }); while (stk.size()) { int xi = stk.top().fst; int xj = stk.top().snd; stk.pop(); Loop(k, 4) { int yi = xi + di[k]; int yj = xj + dj[k]; if (inrange(yi, n) && inrange(yj, m)) { if (abs(board[yi][yj] - board[xi][xj]) <= 1) { if (!able[yi][yj]) { able[yi][yj] = 1; stk.push({ yi,yj }); } } } } Loop(k, 4) { int yi = xi + di2[k]; int yj = xj + dj2[k]; int zi = xi + di[k]; int zj = xj + dj[k]; if (inrange(yi, n) && inrange(yj, m)) { if (abs(board[yi][yj] - board[xi][xj]) == 0 && board[xi][xj] > board[zi][zj]) { if (!able[yi][yj]) { able[yi][yj] = 1; stk.push({ yi,yj }); } } } } } if (able[ti][tj]) cout << "YES" << endl; else cout << "NO" << endl; }