結果
問題 |
No.3143 Colorless Green Parentheses Sleep Furiously
|
ユーザー |
![]() |
提出日時 | 2025-05-16 22:30:43 |
言語 | C++23 (gcc 13.3.0 + boost 1.87.0) |
結果 |
WA
|
実行時間 | - |
コード長 | 3,104 bytes |
コンパイル時間 | 3,505 ms |
コンパイル使用メモリ | 295,064 KB |
実行使用メモリ | 25,600 KB |
最終ジャッジ日時 | 2025-05-17 00:32:49 |
合計ジャッジ時間 | 9,305 ms |
ジャッジサーバーID (参考情報) |
judge3 / judge1 |
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ファイルパターン | 結果 |
---|---|
sample | AC * 3 |
other | AC * 21 WA * 28 |
ソースコード
#include <bits/stdc++.h> //#include <atcoder/all> using namespace std; //using namespace atcoder; //using mint = modint1000000007; //const int mod = 1000000007; //using mint = modint998244353; //const int mod = 998244353; //const int INF = 1e9; //const long long LINF = 1e18; #define rep(i, n) for (int i = 0; i < (n); ++i) #define rep2(i,l,r)for(int i=(l);i<(r);++i) #define rrep(i, n) for (int i = (n) - 1; i >= 0; --i) #define rrep2(i,l,r)for(int i=(r) - 1;i>=(l);--i) #define all(x) (x).begin(),(x).end() #define allR(x) (x).rbegin(),(x).rend() #define P pair<int,int> template<typename A, typename B> inline bool chmax(A & a, const B & b) { if (a < b) { a = b; return true; } return false; } template<typename A, typename B> inline bool chmin(A & a, const B & b) { if (a > b) { a = b; return true; } return false; } bool chk(string s) { int n = s.size(); int c = 0; rep(i, n) { if (s[i] == '(')c++; else c--; if (c < 0) return false; } return c == 0; } int main() { ios::sync_with_stdio(false); cin.tie(nullptr); int n, k; string s; cin >> n >> k >> s; if (!chk(s)) { cout << "No" << endl; return 0; } vector<int>g(n, -1); { stack<int>st; rep(i, n) { if (s[i] == '(')st.push(i); else { auto top = st.top(); g[top] = i + 1; st.pop(); } } } auto dfs = [&](auto &&self, int st, int ed, int type = 1)->tuple<string, bool, int> { //cout << st << " " << ed << " " << type << endl; vector<P>ps; if (type == 0) { vector<P>ps; ps.emplace_back(st, g[st]); { int tmp = g[st]; while (tmp < ed) { ps.emplace_back(tmp, g[tmp]); tmp = g[tmp]; } } string tmp; int sum = 0; for (auto[fi, se] : ps) { auto[r0, r1, r2] = self(self, fi, se, 1); //cout << r0 << " " << r1 << "_" << r2 << endl; if (!r1)return { "",false,0 }; if (!tmp.empty())tmp += "+"; tmp += r0; sum += r2; } if (sum == k) { return { tmp,true,k }; } else if (sum + 2 == k) { tmp = "1+" + tmp + "+1"; return { tmp,true,k }; } else if (sum + 1 == k) { tmp = "1+" + tmp; return { tmp,true,k }; } else { return { "",false,0 }; } } else { if (st + 2 == ed) { return { "(1+1)",true,2 }; } vector<P>ps; ps.emplace_back(st + 1, g[st + 1]); { int tmp = g[st + 1]; while (tmp + 1 < ed) { ps.emplace_back(tmp, g[tmp]); tmp = g[tmp]; } } if (ps.size() == 1) { auto[s0, b0, n0] = self(self, ps[0].first, ps[0].second); auto s = "(1+" + s0 + ")"; auto b = b0; auto n = n0 + 1; return { s,b,n }; } else if (ps.size() == 2) { auto[s0, b0, n0] = self(self, ps[0].first, ps[0].second); auto[s1, b1, n1] = self(self, ps[1].first, ps[1].second); auto s = "(" + s0 + "+" + s1 + ")"; auto b = b0 & b1; auto n = n0 + n1; return { s,b,n }; } else { return { "",false,0 }; } } }; auto[ss, b, sum] = dfs(dfs, 0, n, 0); //cout << ss << " " << b << " " << sum << endl; if (!b || sum != k)cout << "No" << endl; else { cout << "Yes" << endl; cout << ss << endl; } return 0; }