結果
問題 | No.1588 Connection |
ユーザー | iiljj |
提出日時 | 2021-07-08 23:21:26 |
言語 | C++17 (gcc 12.3.0 + boost 1.83.0) |
結果 |
AC
|
実行時間 | 117 ms / 2,000 ms |
コード長 | 9,306 bytes |
コンパイル時間 | 1,581 ms |
コンパイル使用メモリ | 147,220 KB |
実行使用メモリ | 25,476 KB |
平均クエリ数 | 479.03 |
最終ジャッジ日時 | 2024-07-17 12:32:19 |
合計ジャッジ時間 | 4,931 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 | 27 ms
24,836 KB |
testcase_01 | AC | 25 ms
24,836 KB |
testcase_02 | AC | 25 ms
25,220 KB |
testcase_03 | AC | 25 ms
24,836 KB |
testcase_04 | AC | 26 ms
24,836 KB |
testcase_05 | AC | 25 ms
25,220 KB |
testcase_06 | AC | 27 ms
25,220 KB |
testcase_07 | AC | 25 ms
24,836 KB |
testcase_08 | AC | 28 ms
25,220 KB |
testcase_09 | AC | 30 ms
24,580 KB |
testcase_10 | AC | 30 ms
25,220 KB |
testcase_11 | AC | 34 ms
24,824 KB |
testcase_12 | AC | 63 ms
25,220 KB |
testcase_13 | AC | 68 ms
24,836 KB |
testcase_14 | AC | 26 ms
24,836 KB |
testcase_15 | AC | 27 ms
24,580 KB |
testcase_16 | AC | 25 ms
24,836 KB |
testcase_17 | AC | 26 ms
25,220 KB |
testcase_18 | AC | 26 ms
24,836 KB |
testcase_19 | AC | 27 ms
25,220 KB |
testcase_20 | AC | 29 ms
24,836 KB |
testcase_21 | AC | 113 ms
24,836 KB |
testcase_22 | AC | 117 ms
25,220 KB |
testcase_23 | AC | 62 ms
24,580 KB |
testcase_24 | AC | 45 ms
25,476 KB |
testcase_25 | AC | 77 ms
24,580 KB |
testcase_26 | AC | 75 ms
24,964 KB |
testcase_27 | AC | 48 ms
24,836 KB |
testcase_28 | AC | 41 ms
25,220 KB |
testcase_29 | AC | 82 ms
24,836 KB |
testcase_30 | AC | 107 ms
25,220 KB |
testcase_31 | AC | 25 ms
24,428 KB |
ソースコード
/* #region Head */// #include <bits/stdc++.h>#include <algorithm>#include <array>#include <bitset>#include <cassert> // assert.h#include <cmath> // math.h#include <cstring>#include <ctime>#include <deque>#include <fstream>#include <functional>#include <iomanip>#include <iostream>#include <list>#include <map>#include <memory>#include <numeric>#include <queue>#include <random>#include <set>#include <sstream>#include <stack>#include <string>#include <unordered_map>#include <unordered_set>#include <vector>using namespace std;using ll = long long;using ull = unsigned long long;using ld = long double;using pll = pair<ll, ll>;template <class T> using vc = vector<T>;template <class T> using vvc = vc<vc<T>>;using vll = vc<ll>;using vvll = vvc<ll>;using vld = vc<ld>;using vvld = vvc<ld>;using vs = vc<string>;using vvs = vvc<string>;template <class T, class U> using um = unordered_map<T, U>;template <class T> using pq = priority_queue<T>;template <class T> using pqa = priority_queue<T, vc<T>, greater<T>>;template <class T> using us = unordered_set<T>;#define TREP(T, i, m, n) for (T i = (m), i##_len = (T)(n); i < i##_len; ++(i))#define TREPM(T, i, m, n) for (T i = (m), i##_max = (T)(n); i <= i##_max; ++(i))#define TREPR(T, i, m, n) for (T i = (m), i##_min = (T)(n); i >= i##_min; --(i))#define TREPD(T, i, m, n, d) for (T i = (m), i##_len = (T)(n); i < i##_len; i += (d))#define TREPMD(T, i, m, n, d) for (T i = (m), i##_max = (T)(n); i <= i##_max; i += (d))#define REP(i, m, n) for (ll i = (m), i##_len = (ll)(n); i < i##_len; ++(i))#define REPM(i, m, n) for (ll i = (m), i##_max = (ll)(n); i <= i##_max; ++(i))#define REPR(i, m, n) for (ll i = (m), i##_min = (ll)(n); i >= i##_min; --(i))#define REPD(i, m, n, d) for (ll i = (m), i##_len = (ll)(n); i < i##_len; i += (d))#define REPMD(i, m, n, d) for (ll i = (m), i##_max = (ll)(n); i <= i##_max; i += (d))#define REPI(itr, ds) for (auto itr = ds.begin(); itr != ds.end(); itr++)#define REPIR(itr, ds) for (auto itr = ds.rbegin(); itr != ds.rend(); itr++)#define ALL(x) begin(x), end(x)#define SIZE(x) ((ll)(x).size())#define PERM(c) \sort(ALL(c)); \for (bool c##p = 1; c##p; c##p = next_permutation(ALL(c)))#define UNIQ(v) v.erase(unique(ALL(v)), v.end());#define CEIL(a, b) (((a) + (b)-1) / (b))#define endl '\n'constexpr ll INF = 1'010'000'000'000'000'017LL;constexpr int IINF = 1'000'000'007LL;constexpr ll MOD = 1'000'000'007LL; // 1e9 + 7// constexpr ll MOD = 998244353;constexpr ld EPS = 1e-12;constexpr ld PI = 3.14159265358979323846;template <typename T> istream &operator>>(istream &is, vc<T> &vec) { // vector 入力for (T &x : vec) is >> x;return is;}template <typename T> ostream &operator<<(ostream &os, const vc<T> &vec) { // vector 出力 (for dump)os << "{";REP(i, 0, SIZE(vec)) os << vec[i] << (i == i_len - 1 ? "" : ", ");os << "}";return os;}template <typename T> ostream &operator>>(ostream &os, const vc<T> &vec) { // vector 出力 (inline)REP(i, 0, SIZE(vec)) os << vec[i] << (i == i_len - 1 ? "\n" : " ");return os;}template <typename T, size_t _Nm> istream &operator>>(istream &is, array<T, _Nm> &arr) { // array 入力REP(i, 0, SIZE(arr)) is >> arr[i];return is;}template <typename T, size_t _Nm> ostream &operator<<(ostream &os, const array<T, _Nm> &arr) { // array 出力 (for dump)os << "{";REP(i, 0, SIZE(arr)) os << arr[i] << (i == i_len - 1 ? "" : ", ");os << "}";return os;}template <typename T, typename U> istream &operator>>(istream &is, pair<T, U> &pair_var) { // pair 入力is >> pair_var.first >> pair_var.second;return is;}template <typename T, typename U> ostream &operator<<(ostream &os, const pair<T, U> &pair_var) { // pair 出力os << "(" << pair_var.first << ", " << pair_var.second << ")";return os;}// map, um, set, us 出力template <class T> ostream &out_iter(ostream &os, const T &map_var) {os << "{";REPI(itr, map_var) {os << *itr;auto itrcp = itr;if (++itrcp != map_var.end()) os << ", ";}return os << "}";}template <typename T, typename U> ostream &operator<<(ostream &os, const map<T, U> &map_var) {return out_iter(os, map_var);}template <typename T, typename U> ostream &operator<<(ostream &os, const um<T, U> &map_var) {os << "{";REPI(itr, map_var) {auto [key, value] = *itr;os << "(" << key << ", " << value << ")";auto itrcp = itr;if (++itrcp != map_var.end()) os << ", ";}os << "}";return os;}template <typename T> ostream &operator<<(ostream &os, const set<T> &set_var) { return out_iter(os, set_var); }template <typename T> ostream &operator<<(ostream &os, const us<T> &set_var) { return out_iter(os, set_var); }template <typename T> ostream &operator<<(ostream &os, const pq<T> &pq_var) {pq<T> pq_cp(pq_var);os << "{";if (!pq_cp.empty()) {os << pq_cp.top(), pq_cp.pop();while (!pq_cp.empty()) os << ", " << pq_cp.top(), pq_cp.pop();}return os << "}";}void pprint() { cout << endl; }template <class Head, class... Tail> void pprint(Head &&head, Tail &&...tail) {cout << head;if (sizeof...(Tail) > 0) cout << ' ';pprint(move(tail)...);}// dump#define DUMPOUT cerrvoid dump_func() { DUMPOUT << endl; }template <class Head, class... Tail> void dump_func(Head &&head, Tail &&...tail) {DUMPOUT << head;if (sizeof...(Tail) > 0) DUMPOUT << ", ";dump_func(move(tail)...);}// chmax (更新「される」かもしれない値が前)template <typename T, typename U, typename Comp = less<>> bool chmax(T &xmax, const U &x, Comp comp = {}) {if (comp(xmax, x)) {xmax = x;return true;}return false;}// chmin (更新「される」かもしれない値が前)template <typename T, typename U, typename Comp = less<>> bool chmin(T &xmin, const U &x, Comp comp = {}) {if (comp(x, xmin)) {xmin = x;return true;}return false;}// ローカル用#ifndef ONLINE_JUDGE#define DEBUG_#endif#ifdef DEBUG_#define DEB#define dump(...) \DUMPOUT << " " << string(#__VA_ARGS__) << ": " \<< "[" << to_string(__LINE__) << ":" << __FUNCTION__ << "]" << endl \<< " ", \dump_func(__VA_ARGS__)#else#define DEB if (false)#define dump(...)#endif#define VAR(type, ...) \type __VA_ARGS__; \cin >> __VA_ARGS__;template <typename T> istream &operator,(istream &is, T &rhs) { return is >> rhs; }template <typename T> ostream &operator,(ostream &os, const T &rhs) { return os << ' ' << rhs; }struct AtCoderInitialize {static constexpr int IOS_PREC = 15;static constexpr bool AUTOFLUSH = true;AtCoderInitialize() {ios_base::sync_with_stdio(false), cin.tie(nullptr), cout.tie(nullptr);cout << fixed << setprecision(IOS_PREC);if (AUTOFLUSH) cout << unitbuf;}} ATCODER_INITIALIZE;void Yn(bool p) { cout << (p ? "Yes" : "No") << endl; }void YN(bool p) { cout << (p ? "YES" : "NO") << endl; }/* #endregion */// #include <atcoder/all>// using namespace atcoder;// Problemvoid solve() {VAR(ll, n, m);// -1: 不明,0: 白マス,1: 黒マスvc<vc<int>> table(n, vc<int>(n, -1));table[0][0] = 1;table[n - 1][n - 1] = 1;array<int, 4> dx = {1, 0, -1, 0};array<int, 4> dy = {0, 1, 0, -1};stack<pair<int, int>> stk;stk.emplace(0, 1);stk.emplace(1, 0);ll blacks = 2;ll cnt = 0;while (!stk.empty() && cnt < 3000) {auto [x, y] = stk.top();stk.pop();if (table[x][y] != -1) continue;// querypprint(x + 1, y + 1);cnt++;VAR(string, result);if (result == "White") {table[x][y] = 0;continue;}assert(result == "Black");table[x][y] = 1;blacks++;if ((x == n - 1 && y == n - 2) || (x == n - 2 && y == n - 1)) {Yn(true);return;}if (blacks == m) {Yn(false);return;}// まわりのうち未訪問のマスを stk に追加REP(i, 0, 4) {ll nx = x + dx[i];ll ny = y + dy[i];if (nx < 0 || nx >= n || ny < 0 || ny >= n) continue;if (table[nx][ny] != -1) continue;stk.emplace(nx, ny);}}Yn(false);}// entry pointint main() {solve();return 0;}