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37 lines
577 B
C++
37 lines
577 B
C++
#include <iostream>
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using namespace std;
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#define maxn 1000+5
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int a[maxn];
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int main()
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{
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int N,num1,num2,num3,sum1,sum2,sum3;
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cin>>N;
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num1=num2=num3=sum1=sum2=sum3=0;
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for(int i=0;i<N;i++)
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{
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cin>>a[i];
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if(a[i]==1)
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num1++;
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else if(a[i]==2)
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num2++;
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else num3++;
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}
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for(int i=0;i<num1;i++)
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{
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if(a[i]!=1)
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sum1++;
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}
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for(int i=num1;i<num1+num2;i++)
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{
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if(a[i]==3)
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sum2++;
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}
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for(int i=num1+num2;i<N;i++)
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{
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if(a[i]==2)
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sum3++;
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}
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cout<<sum1+max(sum2,sum3)<<endl;
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return 0;
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} |