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22 lines
572 B
C++
22 lines
572 B
C++
#include <cstdio>
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int a[101],f1[101],f2[101];
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int main()
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{
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int n,maxn=0;
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scanf("%d",&n);
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for(int i=0; i<n; i++) scanf("%d",a+i),f1[i]=f2[i]=1;
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for(int i=0; i<n; i++)
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for(int j=0; j<i; j++)
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if(a[j]<a[i]&&f1[j]+1>f1[i])
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f1[i]=f1[j]+1;
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for(int i=n-1; i>=0; i--)
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for(int j=n-1; j>i; j--)
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if(a[j]<a[i]&&f2[j]+1>f2[i])
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f2[i]=f2[j]+1;
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for(int i=0; i<n; i++)
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if(maxn<f1[i]+f2[i]-1)
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maxn=f1[i]+f2[i]-1;
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printf("%d",n-maxn);
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return 0;
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}
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