28 lines
507 B
C++
28 lines
507 B
C++
#include<iostream>
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#include<cstring>
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#define maxn 100+5
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using namespace std;
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int mapp[maxn];
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int main()
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{
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int n;
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while(cin>>n)
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{
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int sum=0;
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memset(mapp,0,sizeof(mapp));
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for(int i=0;i<n;i++)
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{
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int x;
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cin>>x;
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if(!mapp[x]) sum++;
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mapp[x]++;
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}
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int k;
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cin>>k;
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k-=(n-sum);
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if(k<=0) cout<<sum<<endl;
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else cout<<sum-k<<endl;
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}
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return 0;
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}
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