1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112
|
#include <bits/stdc++.h> #define all(x) x.begin(),x.end() #define CLR(i,a) memset(i,a,sizeof(i)) #define fi first #define se second #define pb push_back #define SZ(a) ((int) a.size()) #define FOR(i, a, b) for (int i = (a); i <= (b); ++i) #define ROF(i, a, b) for (int i = (a); i >= (b); --i)
using namespace std;
typedef long long ll; typedef unsigned long long ull; typedef __int128 i128; typedef pair<ll,ll> pll; typedef array<ll,3> arr; typedef double DB; typedef pair<DB,DB> pdd; typedef pair<ll,bool> plb; constexpr ll MAXN=static_cast<ll>(1e6)+10,INF=static_cast<ll>(5e18)+3; constexpr ll mod=static_cast<ll>(1e9)+7;
ll N,M,K,Q,T; set<arr> g[MAXN]; bool vis[MAXN]; ll Base[MAXN];
inline void solve(){ cin>>Q; set<ll> Hx; Base[0]=1; FOR(i,1,MAXN/2){ Base[i]=Base[i-1]*131; } ll ans=0; FOR(q,1,Q){ ll t;string s; cin>>t>>s; if(t==1){ ll hax=0; bool needOp=true; FOR(i,0,SZ(s)-1){ hax+=s[i]*Base[i]; if(Hx.find(hax)!=Hx.end()){ needOp=false; break; } } ll len=SZ(s); if(needOp){ auto itb=g[len-1].lower_bound({hax,0}); auto ite=g[len-1].lower_bound({hax,INF}); for(auto it=itb;it!=ite;++it){ ll que=(*it)[1]; if(vis[que]) continue; vis[que]=true; --ans; } Hx.insert(hax); } cout<<ans<<"\n"; }else{ ll hax=0; bool needAdd=true; FOR(i,0,SZ(s)-1){ hax+=s[i]*Base[i]; if(Hx.find(hax)!=Hx.end()){ needAdd=false; break; } } if(needAdd){ ++ans; ll hax=0; FOR(i,0,SZ(s)-1){ hax+=s[i]*Base[i]; g[i].insert({hax,q}); } } cout<<ans<<"\n"; } } }
int main() { ios::sync_with_stdio(false); cin.tie(0);cout.tie(0); solve(); return 0; }
|