제출 #522692

#제출 시각아이디문제언어결과실행 시간메모리
522692inluminasMoney (IZhO17_money)C++17
100 / 100
1078 ms54320 KiB
#include"bits/stdc++.h" using namespace std; #define ll long long #define endl "\n" #define fastio ios_base::sync_with_stdio(false) #define inf LLONG_MAX int main(){ fastio; int n,pre=-1,ans=0; cin>>n; set<int>s; s.insert(0); s.insert(INT_MAX); int mn,mx; for(int i=1;i<=n;i++){ int x; cin>>x; if(i==1 || pre>x || mn>x || x>mx){ auto it=s.lower_bound(x); if((*it)>x) it--; mn=(*it); it=s.lower_bound(x); if((*it)==x) it++; mx=(*it); s.insert(x); ans++; pre=x; continue; } if(mn<=x && x<=mx){ s.insert(x); } pre=x; } cout<<ans<<endl; return 0; }
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