#include<unordered_map> #include<unordered_set> #include<functional> #include<algorithm> #include<iostream> #include<hash_map> #include<iterator> #include<iomanip> #include<numeric> #include<cstring> #include<vector> #include<string> #include<deque> #include<stack> #include<queue> #include<array> #include<cmath> #include<list> #include<map> #include<set> using namespace std; typedef long long ll; typedef unsigned long long ull; typedef double db; typedef long double ldb; #define pii pair<int,int> #define pll pair<ll,ll> #define inf INT32_MAX #define linf INT64_MAX #define pf push_front #define pb push_back #define ppb pop_back #define ppf pop_front #define ff first #define ss second const int mod=1e9+7,N=1e5+5; /*-ECPC 2021 ISA-*/ int main(){ //ios_base::sync_with_stdio(false); //cin.tie(nullptr); int n,m; cin>>n>>m; vector<int>v(m); for(auto &i:v)cin>>i; string ans; map<int,int>mp; for(const auto &i:v){ mp[i]++; if(mp.size()==n){ ans.pb('1'); //cout<<1; //for(auto j:mp)cout<<j.ff<<" "<<j.ss<<"\n"; for(auto it=mp.begin();it!=mp.end();it++){ //cout<<it->ff<<" "<<it->ss<<"\n"; it->ss--; //cout<<it->ff<<" "<<it->ss<<"\n"; if(it->ss==0)mp.erase(it); } } else { //cout<<0; ans.pb('0'); } } cout<<ans; }
Standard input is empty
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