#include using namespace std; #define all(a) a.begin(),a.end() #define pb push_back #define sz(a) ((int)a.size()) using ll=long long; using u32=unsigned int; using u64=unsigned long long; using i128=__int128; using u128=unsigned __int128; using f128=__float128; using pii=pair; using pll=pair; template using vc=vector; template using vvc=vc>; template using vvvc=vc>; using vi=vc; using vll=vc; using vvi=vc; using vvll=vc; #define vv(type,name,n,...) \ vector> name(n,vector(__VA_ARGS__)) #define vvv(type,name,n,m,...) \ vector>> name(n,vector>(m,vector(__VA_ARGS__))) template using min_heap=priority_queue,greater>; template using max_heap=priority_queue; // https://trap.jp/post/1224/ #define rep1(n) for(ll i=0; i<(ll)(n); ++i) #define rep2(i,n) for(ll i=0; i<(ll)(n); ++i) #define rep3(i,a,b) for(ll i=(ll)(a); i<(ll)(b); ++i) #define rep4(i,a,b,c) for(ll i=(ll)(a); i<(ll)(b); i+=(c)) #define cut4(a,b,c,d,e,...) e #define rep(...) cut4(__VA_ARGS__,rep4,rep3,rep2,rep1)(__VA_ARGS__) #define per1(n) for(ll i=((ll)n)-1; i>=0; --i) #define per2(i,n) for(ll i=((ll)n)-1; i>=0; --i) #define per3(i,a,b) for(ll i=((ll)a)-1; i>=(ll)(b); --i) #define per4(i,a,b,c) for(ll i=((ll)a)-1; i>=(ll)(b); i-=(c)) #define per(...) cut4(__VA_ARGS__,per4,per3,per2,per1)(__VA_ARGS__) #define rep_subset(i,s) for(ll i=(s); i>=0; i=(i==0?-1:(i-1)&(s))) template constexpr T ifloor(const T a, const S b){return a/b-(a%b&&(a^b)<0);} template constexpr T iceil(const T a, const S b){return ifloor(a+b-1,b);} template void sort_unique(vector &vec){ sort(vec.begin(),vec.end()); vec.resize(unique(vec.begin(),vec.end())-vec.begin()); } template constexpr bool chmin(T &a, const S b){if(a>b) return a=b,true; return false;} template constexpr bool chmax(T &a, const S b){if(a istream& operator >> (istream& i, pair &p){return i >> p.first >> p.second;} template ostream& operator << (ostream& o, const pair &p){return o << p.first << ' ' << p.second;} #ifdef i_am_noob #define bug(...) cerr << "#" << __LINE__ << ' ' << #__VA_ARGS__ << "- ", _do(__VA_ARGS__) template void _do(vector x){for(auto i: x) cerr << i << ' ';cerr << "\n";} template void _do(set x){for(auto i: x) cerr << i << ' ';cerr << "\n";} template void _do(unordered_set x){for(auto i: x) cerr << i << ' ';cerr << "\n";} template void _do(T && x) {cerr << x << endl;} template void _do(T && x, S&&...y) {cerr << x << ", "; _do(y...);} #else #define bug(...) 777771449 #endif template void print(vector x){for(auto i: x) cout << i << ' ';cout << "\n";} template void print(set x){for(auto i: x) cout << i << ' ';cout << "\n";} template void print(unordered_set x){for(auto i: x) cout << i << ' ';cout << "\n";} template void print(T && x) {cout << x << "\n";} template void print(T && x, S&&... y) {cout << x << ' ';print(y...);} template istream& operator >> (istream& i, vector &vec){for(auto &x: vec) i >> x; return i;} vvi read_graph(int n, int m, int base=1){ vvi adj(n); for(int i=0,u,v; i> u >> v,u-=base,v-=base; adj[u].pb(v),adj[v].pb(u); } return adj; } vvi read_tree(int n, int base=1){return read_graph(n,n-1,base);} template pair operator + (const pair &a, const pair &b){return {a.first+b.first,a.second+b.second};} template constexpr T inf=0; template<> constexpr int inf = 0x3f3f3f3f; template<> constexpr ll inf = 0x3f3f3f3f3f3f3f3f; template vector operator += (vector &a, int val){for(auto &i: a) i+=val; return a;} template T isqrt(const T &x){T y=sqrt(x+2); while(y*y>x) y--; return y;} #define ykh mt19937 rng(chrono::steady_clock::now().time_since_epoch().count()) //#include "library/mod/modint.hpp" //using mint=modint<998244353>; //using mint=modint<1000000007>; struct custom_hash { static uint64_t splitmix64(uint64_t x) { // http://xorshift.di.unimi.it/splitmix64.c x += 0x9e3779b97f4a7c15; x = (x ^ (x >> 30)) * 0xbf58476d1ce4e5b9; x = (x ^ (x >> 27)) * 0x94d049bb133111eb; return x ^ (x >> 31); } size_t operator()(string s) const { static const uint64_t FIXED_RANDOM = chrono::steady_clock::now().time_since_epoch().count(); uint64_t seed=FIXED_RANDOM|1; u64 cur=0; for(auto c: s){ cur=cur*seed+(c=='('?1:0); } cur=splitmix64(cur); return cur; } }; vc get(string a){ int n=sz(a); string s; int x=n/2-count(all(a),'('); int y=n/2-count(all(a),')'); int bal=0; if(x<0||y<0) return {}; vc res; auto dfs=[&](auto &self, int i){ if(sz(res)>=n||bal<0) return; if(i==n){ res.pb(s); return; } if(a[i]!='.'){ s+=a[i]; bal+=(a[i]=='('?1:-1); self(self,i+1); s.pop_back(); bal-=(a[i]=='('?1:-1); return; } if(x>0){ s+='('; bal++; x--; self(self,i+1); s.pop_back(); bal--; x++; } if(y>0){ s+=')'; bal--; y--; self(self,i+1); s.pop_back(); bal++; y++; } }; dfs(dfs,0); return res; } #include using namespace atcoder; void mango(){ int n; cin >> n; vc a(n); cin >> a; if(n&1){ print(-1); return; } vvi can(n); vc vec; unordered_map mp; rep(n){ vc tmp=get(a[i]); for(auto s: tmp){ if(!mp.count(s)){ mp[s]=sz(mp); vec.pb(s); } can[i].pb(mp[s]); } } int m=sz(vec); mf_graph g(n+m+2); int S=n+m,T=S+1; rep(n) g.add_edge(S,i,1); rep(m) g.add_edge(n+i,T,1); rep(n){ for(auto j: can[i]){ g.add_edge(i,n+j,1); } } int mx=g.flow(S,T); if(mx!=n){ print(-1); return; } auto edges=g.edges(); vc res(n); for(auto e: edges){ if(e.from=n&&e.to> t; while(t--) mango(); }