#include using namespace std; typedef signed long long ll; #define _P(...) (void)printf(__VA_ARGS__) #define FOR(x,to) for(x=0;x<(to);x++) #define FORR(x,arr) for(auto& x:arr) #define FORR2(x,y,arr) for(auto& [x,y]:arr) #define ALL(a) (a.begin()),(a.end()) #define ZERO(a) memset(a,0,sizeof(a)) #define MINUS(a) memset(a,0xff,sizeof(a)) template bool chmax(T &a, const T &b) { if(a bool chmin(T &a, const T &b) { if(a>b){a=b;return 1;}return 0;} //------------------------------------------------------- int N; string S[202020],T; void solve() { int i,j,k,l,r,x,y; string s; cin>>N; FOR(i,N) { cin>>S[i]; vector V[26]; FOR(j,S[i].size()) V[S[i][j]-'a'].push_back(j); int ig=0; FOR(j,26) { reverse(ALL(V[j])); if(V[j].size()>=2) ig=1; } int did=0; FOR(j,S[i].size()) if(did==0) { FOR(x,S[i][j]-'a') if(V[x].size()) { swap(S[i][j],S[i][V[x][0]]); did=1; } V[S[i][j]-'a'].pop_back(); } if(did==0&&ig==0) swap(S[i][S[i].size()-1],S[i][S[i].size()-2]); if(T=="") T=S[i]; T=min(T,S[i]); } int num=0; FOR(i,N) if(S[i]==T) num++; FOR(i,N) { if(S[i]==T) cout<