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22 lines
662 B
C++
22 lines
662 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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