#include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include using namespace std; using lint = long long; using pint = pair; using plint = pair; struct fast_ios { fast_ios(){ cin.tie(nullptr), ios::sync_with_stdio(false), cout << fixed << setprecision(20); }; } fast_ios_; #define ALL(x) (x).begin(), (x).end() #define FOR(i, begin, end) for(int i=(begin),i##_end_=(end);i=i##_begin_;i--) #define REP(i, n) FOR(i,0,n) #define IREP(i, n) IFOR(i,0,n) template bool chmax(T &m, const T q) { return m < q ? (m = q, true) : false; } template bool chmin(T &m, const T q) { return m > q ? (m = q, true) : false; } const std::vector> grid_dxs{{1, 0}, {-1, 0}, {0, 1}, {0, -1}}; int floor_lg(long long x) { return x <= 0 ? -1 : 63 - __builtin_clzll(x); } template T1 floor_div(T1 num, T2 den) { return (num > 0 ? num / den : -((-num + den - 1) / den)); } template std::pair operator+(const std::pair &l, const std::pair &r) { return std::make_pair(l.first + r.first, l.second + r.second); } template std::pair operator-(const std::pair &l, const std::pair &r) { return std::make_pair(l.first - r.first, l.second - r.second); } template std::vector sort_unique(std::vector vec) { sort(vec.begin(), vec.end()), vec.erase(unique(vec.begin(), vec.end()), vec.end()); return vec; } template int arglb(const std::vector &v, const T &x) { return std::distance(v.begin(), std::lower_bound(v.begin(), v.end(), x)); } template int argub(const std::vector &v, const T &x) { return std::distance(v.begin(), std::upper_bound(v.begin(), v.end(), x)); } template IStream &operator>>(IStream &is, std::vector &vec) { for (auto &v : vec) is >> v; return is; } template OStream &operator<<(OStream &os, const std::vector &vec); template OStream &operator<<(OStream &os, const std::array &arr); template OStream &operator<<(OStream &os, const std::unordered_set &vec); template OStream &operator<<(OStream &os, const pair &pa); template OStream &operator<<(OStream &os, const std::deque &vec); template OStream &operator<<(OStream &os, const std::set &vec); template OStream &operator<<(OStream &os, const std::multiset &vec); template OStream &operator<<(OStream &os, const std::unordered_multiset &vec); template OStream &operator<<(OStream &os, const std::pair &pa); template OStream &operator<<(OStream &os, const std::map &mp); template OStream &operator<<(OStream &os, const std::unordered_map &mp); template OStream &operator<<(OStream &os, const std::tuple &tpl); template OStream &operator<<(OStream &os, const std::vector &vec) { os << '['; for (auto v : vec) os << v << ','; os << ']'; return os; } template OStream &operator<<(OStream &os, const std::array &arr) { os << '['; for (auto v : arr) os << v << ','; os << ']'; return os; } template std::istream &operator>>(std::istream &is, std::tuple &tpl) { std::apply([&is](auto &&... args) { ((is >> args), ...);}, tpl); return is; } template OStream &operator<<(OStream &os, const std::tuple &tpl) { os << '('; std::apply([&os](auto &&... args) { ((os << args << ','), ...);}, tpl); return os << ')'; } template OStream &operator<<(OStream &os, const std::unordered_set &vec) { os << '{'; for (auto v : vec) os << v << ','; os << '}'; return os; } template OStream &operator<<(OStream &os, const std::deque &vec) { os << "deq["; for (auto v : vec) os << v << ','; os << ']'; return os; } template OStream &operator<<(OStream &os, const std::set &vec) { os << '{'; for (auto v : vec) os << v << ','; os << '}'; return os; } template OStream &operator<<(OStream &os, const std::multiset &vec) { os << '{'; for (auto v : vec) os << v << ','; os << '}'; return os; } template OStream &operator<<(OStream &os, const std::unordered_multiset &vec) { os << '{'; for (auto v : vec) os << v << ','; os << '}'; return os; } template OStream &operator<<(OStream &os, const std::pair &pa) { return os << '(' << pa.first << ',' << pa.second << ')'; } template OStream &operator<<(OStream &os, const std::map &mp) { os << '{'; for (auto v : mp) os << v.first << "=>" << v.second << ','; os << '}'; return os; } template OStream &operator<<(OStream &os, const std::unordered_map &mp) { os << '{'; for (auto v : mp) os << v.first << "=>" << v.second << ','; os << '}'; return os; } #ifdef HITONANODE_LOCAL const string COLOR_RESET = "\033[0m", BRIGHT_CYAN = "\033[1;36m", NORMAL_FAINT = "\033[0;2m"; #define dbg(x) std::cerr << BRIGHT_CYAN << #x << COLOR_RESET << " = " << (x) << NORMAL_FAINT << " (L" << __LINE__ << ") " << __FILE__ << COLOR_RESET << std::endl #define dbgif(cond, x) ((cond) ? std::cerr << BRIGHT_CYAN << #x << COLOR_RESET << " = " << (x) << NORMAL_FAINT << " (L" << __LINE__ << ") " << __FILE__ << COLOR_RESET << std::endl : std::cerr) #else #define dbg(x) ((void)0) #define dbgif(cond, x) ((void)0) #endif // https://hitonanode.github.io/cplib-cpp/graph/bipartite_matching.hpp #include #include #include // Bipartite matching of undirected bipartite graph (Hopcroft-Karp) // https://ei1333.github.io/luzhiled/snippets/graph/hopcroft-karp.html // Complexity: O((V + E)sqrtV) // int solve(): enumerate maximum number of matching / return -1 (if graph is not bipartite) struct BipartiteMatching { int V; std::vector> to; // Adjacency list std::vector dist; // dist[i] = (Distance from i'th node) std::vector match; // match[i] = (Partner of i'th node) or -1 (No partner) std::vector used, vv; std::vector color; // color of each node(checking bipartition): 0/1/-1(not determined) BipartiteMatching() = default; BipartiteMatching(int V_) : V(V_), to(V_), match(V_, -1), used(V_), color(V_, -1) {} void add_edge(int u, int v) { assert(u >= 0 and u < V and v >= 0 and v < V and u != v); to[u].push_back(v); to[v].push_back(u); } void _bfs() { dist.assign(V, -1); std::vector q; int lq = 0; for (int i = 0; i < V; i++) { if (!color[i] and !used[i]) q.push_back(i), dist[i] = 0; } while (lq < int(q.size())) { int now = q[lq++]; for (auto nxt : to[now]) { int c = match[nxt]; if (c >= 0 and dist[c] == -1) q.push_back(c), dist[c] = dist[now] + 1; } } } bool _dfs(int now) { vv[now] = true; for (auto nxt : to[now]) { int c = match[nxt]; if (c < 0 or (!vv[c] and dist[c] == dist[now] + 1 and _dfs(c))) { match[nxt] = now, match[now] = nxt; used[now] = true; return true; } } return false; } bool _color_bfs(int root) { color[root] = 0; std::vector q{root}; int lq = 0; while (lq < int(q.size())) { int now = q[lq++], c = color[now]; for (auto nxt : to[now]) { if (color[nxt] == -1) { color[nxt] = !c, q.push_back(nxt); } else if (color[nxt] == c) { return false; } } } return true; } int solve() { for (int i = 0; i < V; i++) { if (color[i] == -1 and !_color_bfs(i)) return -1; } int ret = 0; while (true) { _bfs(); vv.assign(V, false); int flow = 0; for (int i = 0; i < V; i++) { if (!color[i] and !used[i] and _dfs(i)) flow++; } if (!flow) break; ret += flow; } return ret; } template friend OStream &operator<<(OStream &os, const BipartiteMatching &bm) { os << "{N=" << bm.V << ':'; for (int i = 0; i < bm.V; i++) { if (bm.match[i] > i) os << '(' << i << '-' << bm.match[i] << "),"; } return os << '}'; } }; bool IsFeasible(string S) { const int n = S.size(); if (n % 2) return false; const int n0 = count(ALL(S), '('); const int n1 = count(ALL(S), ')'); if (n0 * 2 > n or n1 * 2 > n) return false; int rem0 = n / 2 - n0; int h = 0; for (auto &c : S) { if (c == '.') { if (rem0) { --rem0; c = '('; } else { c = ')'; } } if (c == '(') { ++h; } else { --h; if (h < 0) return false; } } assert(h == 0); return true; } void NG() { puts("-1"); exit(0); } int main() { int N; cin >> N; vector T(N); cin >> T; dbg(T); vector> candidates; for (const auto &S0 : T) { auto S = S0; if (!IsFeasible(S)) NG(); vector xs; REP(i, N) { if (S.at(i) == '.') { xs.push_back(i); S.at(i) = ')'; if (!IsFeasible(S)) S.at(i) = '('; } } string diffs; REP(i, N) { if (S0.at(i) == '.') diffs += S.at(i); } dbg(diffs); vector poss; REP(i, diffs.size()) { if (diffs.at(i) == '(') poss.push_back(i); } dbg(poss); vector> sols; vector cur = poss; auto rec = [&](this auto &&self, int idx) -> void { if ((int)sols.size() >= N) return; if (idx == (int)poss.size()) { sols.push_back(cur); } else { int lo = 0; if (idx) chmax(lo, cur.at(idx - 1) + 1); FOR(v, lo, poss.at(idx) + 1) { cur.at(idx) = v; self(idx + 1); if ((int)sols.size() >= N) return; } } }; rec(0); dbg(sols); candidates.push_back({}); for (const auto &s : sols) { string cand = S0; for (auto &c : cand) { if (c == '.') c = ')'; } for (int j : s) { cand.at(xs.at(j)) = '('; } candidates.back().push_back(cand); } sort(ALL(candidates.back())); dbg(candidates.back()); } vector ss; for (const auto &c : candidates) ss.insert(ss.end(), ALL(c)); ss = sort_unique(ss); BipartiteMatching bm(N + ss.size()); REP(i, N) { for (auto c : candidates.at(i)) { const int j = arglb(ss, c); bm.add_edge(i, j + N); } } auto m = bm.solve(); if (m < N) NG(); REP(i, N) cout << ss.at(bm.match.at(i) - N) << '\n'; }