結果
問題 | No.2283 Prohibit Three Consecutive |
ユーザー |
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提出日時 | 2023-04-28 22:06:21 |
言語 | C++17 (gcc 13.3.0 + boost 1.87.0) |
結果 |
AC
|
実行時間 | 31 ms / 2,000 ms |
コード長 | 2,537 bytes |
コンパイル時間 | 2,348 ms |
コンパイル使用メモリ | 203,172 KB |
最終ジャッジ日時 | 2025-02-12 15:13:39 |
ジャッジサーバーID (参考情報) |
judge3 / judge4 |
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ファイルパターン | 結果 |
---|---|
sample | AC * 1 |
other | AC * 13 |
ソースコード
#include <bits/stdc++.h> #ifdef LOCAL #include <debug.hpp> #else #define debug(...) void(0) #endif using namespace std; typedef long long ll; #define all(x) begin(x), end(x) constexpr int INF = (1 << 30) - 1; constexpr long long IINF = (1LL << 60) - 1; constexpr int dx[4] = {1, 0, -1, 0}, dy[4] = {0, 1, 0, -1}; template <class T> istream& operator>>(istream& is, vector<T>& v) { for (auto& x : v) is >> x; return is; } template <class T> ostream& operator<<(ostream& os, const vector<T>& v) { auto sep = ""; for (const auto& x : v) os << exchange(sep, " ") << x; return os; } template <class T, class U = T> bool chmin(T& x, U&& y) { return y < x and (x = forward<U>(y), true); } template <class T, class U = T> bool chmax(T& x, U&& y) { return x < y and (x = forward<U>(y), true); } template <class T> void mkuni(vector<T>& v) { sort(begin(v), end(v)); v.erase(unique(begin(v), end(v)), end(v)); } template <class T> int lwb(const vector<T>& v, const T& x) { return lower_bound(begin(v), end(v), x) - begin(v); } void solve() { int N; string S; cin >> N >> S; vector dp(4, vector<bool>(4, false)), ndp(4, vector<bool>(4, false)); for (int i = 0; i < 2; i++) { if (S[0] != '?' and S[0] - '0' != i) continue; for (int j = 0; j < 2; j++) { if (S[1] != '?' and S[1] - '0' != j) continue; dp[i + 2 * j][i + 2 * j] = true; } } for (int k = 2; k < N; k++) { char c = S[k]; for (int i = 0; i < 4; i++) { for (int j = 0; j < 4; j++) { if (not dp[i][j]) continue; for (int d = 0; d < 2; d++) { if (c != '?' and c - '0' != d) continue; if (j == 0 and d == 0) continue; if (j == 3 and d == 1) continue; ndp[i][j / 2 + 2 * d] = true; } dp[i][j] = false; } } swap(dp, ndp); } for (int i = 0; i < 4; i++) { for (int j = 0; j < 4; j++) { if (not dp[i][j]) continue; int c = j / 2, d = i & 1; if (i == 0 and c == 0) continue; if (i == 3 and c == 1) continue; if (j == 0 and d == 0) continue; if (j == 3 and d == 1) continue; cout << "Yes\n"; return; } } cout << "No\n"; } int main() { ios::sync_with_stdio(false); cin.tie(nullptr); int T; cin >> T; for (; T--;) solve(); return 0; }