제출 #1153780

#제출 시각아이디문제언어결과실행 시간메모리
1153780dzuizzPo (COCI21_po)C++20
20 / 70
6 ms1096 KiB
#include<bits/stdc++.h> using namespace std; #define int long long signed main(){ ios_base::sync_with_stdio(0); cin.tie(0); cout.tie(0); int n; cin>>n; int a[n]; for(auto&x:a) cin>>x; if(n<=1000){ // Subtask 1 int ans=0; for(int i=0;i<n;++i){ if(!a[i]) continue; ++ans; for(int j=i+1;j<n;++j){ if(a[j]<a[i]) break; a[j]-=a[i]; } } cout<<ans<<'\n'; return 0; } int ans=(a[0]>0); for(int i=1;i<n;++i) ans+=(a[i]-a[i-1]>0); cout<<ans<<'\n'; return 0; }
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