제출 #1175340

#제출 시각아이디문제언어결과실행 시간메모리
1175340bahaktlStone Arranging 2 (JOI23_ho_t1)C++20
35 / 100
19 ms3956 KiB
#include <bits/stdc++.h> using namespace std; #define int long long #define pb push_back #define all(x) (x).begin(),(x).end() #define rall(x) (x).rbegin(),(x).rend() const int inf=1e16; const int N=2e5+10; const int mod=1e9+7; int t[N*4],a[N]; int ans[N]; unordered_map<int,int>mp; signed main () { ios_base::sync_with_stdio(false); cin.tie(nullptr); int n; cin>>n; int a[n+1]; for(int i=1;i<=n;i++) { cin>>a[i]; ans[i]=a[i]; } for(int i=n;i>=1;i--){ if(mp[a[i]]>0){ continue; } mp[a[i]]=i; } int l=1; int r=1; while(l<n){ if(mp[a[l]]==l){ mp[a[l]]=0; } if(mp[a[l]]==0){ l++; ans[a[l]]=a[l]; continue; } int z=mp[a[l]]; for(int i=l+1;i<=mp[a[l]];i++){ ans[i]=a[l]; if(mp[a[i]]==i){ mp[a[i]]=0; continue; } } l=z+1; } for(int i=1;i<=n;i++){ cout<<ans[i]<<" "; } }
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