結果
問題 | No.1588 Connection |
ユーザー | first_vil |
提出日時 | 2021-07-08 23:28:28 |
言語 | C++17 (gcc 12.3.0 + boost 1.83.0) |
結果 |
WA
(最新)
QLE
(最初)
|
実行時間 | - |
コード長 | 4,748 bytes |
コンパイル時間 | 2,237 ms |
コンパイル使用メモリ | 210,840 KB |
実行使用メモリ | 25,324 KB |
平均クエリ数 | 562.19 |
最終ジャッジ日時 | 2024-07-17 12:34:43 |
合計ジャッジ時間 | 5,414 ms |
ジャッジサーバーID (参考情報) |
judge3 / 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 | 27 ms
24,580 KB |
testcase_01 | AC | 24 ms
25,220 KB |
testcase_02 | AC | 23 ms
24,964 KB |
testcase_03 | AC | 23 ms
24,964 KB |
testcase_04 | AC | 23 ms
25,220 KB |
testcase_05 | AC | 23 ms
24,568 KB |
testcase_06 | AC | 24 ms
24,836 KB |
testcase_07 | AC | 24 ms
24,964 KB |
testcase_08 | AC | 25 ms
25,220 KB |
testcase_09 | AC | 26 ms
24,856 KB |
testcase_10 | AC | 26 ms
24,580 KB |
testcase_11 | AC | 26 ms
25,220 KB |
testcase_12 | AC | 63 ms
24,836 KB |
testcase_13 | AC | 67 ms
24,964 KB |
testcase_14 | AC | 24 ms
25,220 KB |
testcase_15 | AC | 24 ms
25,220 KB |
testcase_16 | AC | 23 ms
24,964 KB |
testcase_17 | AC | 23 ms
24,580 KB |
testcase_18 | AC | 23 ms
25,220 KB |
testcase_19 | AC | 24 ms
24,580 KB |
testcase_20 | AC | 27 ms
25,220 KB |
testcase_21 | WA | - |
testcase_22 | AC | 103 ms
25,220 KB |
testcase_23 | AC | 56 ms
25,324 KB |
testcase_24 | AC | 41 ms
25,220 KB |
testcase_25 | AC | 66 ms
24,964 KB |
testcase_26 | AC | 64 ms
25,220 KB |
testcase_27 | AC | 41 ms
24,836 KB |
testcase_28 | AC | 36 ms
24,836 KB |
testcase_29 | AC | 105 ms
25,220 KB |
testcase_30 | AC | 105 ms
25,220 KB |
testcase_31 | AC | 24 ms
25,196 KB |
ソースコード
#include <bits/stdc++.h> using namespace std; using ll = long long; using ld = long double; template<class T> using V = vector<T>; using VI = V<int>; using VL = V<ll>; using VS = V<string>; template<class T> using PQ = priority_queue<T, V<T>, greater<T>>; using graph = V<VI>; template<class T> using w_graph = V<V<pair<int, T>>>; #define FOR(i,a,n) for(int i=(a);i<(n);++i) #define eFOR(i,a,n) for(int i=(a);i<=(n);++i) #define rFOR(i,a,n) for(int i=(n)-1;i>=(a);--i) #define erFOR(i,a,n) for(int i=(n);i>=(a);--i) #define all(a) a.begin(),a.end() #define rall(a) a.rbegin(),a.rend() #define out(y,x) ((y)<0||h<=(y)||(x)<0||w<=(x)) #ifdef _DEBUG #define line cout << "-----------------------------\n" #define stop system("pause") #endif constexpr ll INF = 1000000000; constexpr ll LLINF = 1LL << 60; constexpr ll mod = 1000000007; constexpr ll MOD = 998244353; constexpr ld eps = 1e-10; template<class T>inline bool chmax(T& a, const T& b) { if (a < b) { a = b; return true; }return false; } template<class T>inline bool chmin(T& a, const T& b) { if (a > b) { a = b; return true; }return false; } inline void init() { cin.tie(nullptr); cout.tie(nullptr); ios::sync_with_stdio(false); cout << fixed << setprecision(15); } template<class T>inline istream& operator>>(istream& is, V<T>& v) { for (auto& a : v)is >> a; return is; } template<class T, class U>inline istream& operator>>(istream& is, pair<T, U>& p) { is >> p.first >> p.second; return is; } template<class T>inline V<T> vec(size_t a) { return V<T>(a); } template<class T>inline V<T> defvec(T def, size_t a) { return V<T>(a, def); } template<class T, class... Ts>inline auto vec(size_t a, Ts... ts) { return V<decltype(vec<T>(ts...))>(a, vec<T>(ts...)); } template<class T, class... Ts>inline auto defvec(T def, size_t a, Ts... ts) { return V<decltype(defvec<T>(def, ts...))>(a, defvec<T>(def, ts...)); } template<class T>inline void print(const T& a) { cout << a << "\n"; } template<class T, class... Ts>inline void print(const T& a, const Ts&... ts) { cout << a << " "; print(ts...); } template<class T>inline void print(const V<T>& v) { for (int i = 0; i < v.size(); ++i)cout << v[i] << (i == v.size() - 1 ? "\n" : " "); } template<class T>inline void print(const V<V<T>>& v) { for (auto& a : v)print(a); } template<class T>inline T sum(const V<T>& a, int l, int r) { return a[r] - (l == 0 ? 0 : a[l - 1]); } template<class T>inline void END(T s) { print(s); exit(0); } void END() { exit(0); } class unionfind { VI par, rank; int forest_num; public: unionfind(){} unionfind(const int& n) : par(n), rank(n, 1), forest_num(n) { FOR(i, 0, n)par[i] = i; } int root(int x) { if (par[x] == x)return x; return par[x] = root(par[x]); } int size(int x) { if (par[x] == x)return rank[x]; return size(par[x]); } void unite(int x, int y) { int rx = root(x), ry = root(y); if (rx == ry)return; if (rank[rx] < rank[ry]) { par[rx] = ry; rank[ry] += rank[rx]; } else { par[ry] = rx; rank[rx] += rank[ry]; } --forest_num; } bool same(int x, int y) { return root(x) == root(y); } int fnum() { return forest_num; } }; class manager { public: int n, m, cnt = 3000; VS s; manager(int n, int m) :n(n), m(m) { s = VS(n, string(n, '?')); } char query(int y, int x) { if (s[y][x] == '?') { if (max(y, x) == 0 || min(y, x) == n - 1) { s[y][x] == 'B'; --m; } else { if (cnt == 0)return 'X'; cout << y + 1 << " " << x + 1 << endl; string t; cin >> t; s[y][x] = t[0]; m -= s[y][x] == 'B'; --cnt; } } return s[y][x]; } bool end() { return m == 0; } }; int main() { init(); int n, m; cin >> n >> m; unionfind uf(n * n); #define g(y,x) ((y)*w+x) int h = n, w = n; manager ma(n, m); ma.query(0, 0); auto dp = defvec<int>(INF, n, n); dp[0][0] = 0; int dy[] = { -1,0,1,0 }, dx[] = { 0,1,0,-1 }; auto dfs = [&](auto&& f, int y, int x)->bool { if (y == n - 1 && x == n - 1)return true; if (ma.end())return false; bool res = false; FOR(i, 0, 4) { int ny = y + dy[i], nx = x + dx[i]; if (out(ny, nx))continue; if (char c = ma.query(ny, nx); c == 'W')continue; else if (c == 'X')return false; if (chmin(dp[ny][nx], dp[y][x] + 1))res |= f(f, ny, nx); } return res; }; print(dfs(dfs, 0, 0) ? "Yes" : "No"); return 0; }