제출 #1112545

#제출 시각아이디문제언어결과실행 시간메모리
1112545vjudge1Baloni (COCI15_baloni)C++17
0 / 100
225 ms584 KiB
#include <bits/stdc++.h> #define int long long using namespace std; int32_t main(){ int n; cin>>n; int ans=n; map<int,int> cikti; for(int i=0; i<n; i++){ int x; cin>>x; if(cikti[x]){ ans--; cikti[x]=0; cikti[x-1]=1; }else{ cikti[x-1]=1; } } cout<<ans<<"\n"; }
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