24 lines
440 B
C++
24 lines
440 B
C++
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#include <bits/stdc++.h>
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using namespace std;
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const int N = 100005;
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int a[N];
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int b[N], bl = 1;
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int n;
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int ans;
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int main() {
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scanf("%d", &n);
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for (int i = 1; i <= n; i++)
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scanf("%d", &a[i]);
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for (int i = 1; i <= n; i++)
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scanf("%d", &b[i]);
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sort(a + 1, a + n + 1);
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sort(b + 1, b + n + 1);
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for (int i = 1; i <= n; i++)
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if (a[i] > b[bl])
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++ans, ++bl;
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printf("%d\n", ans);
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return 0;
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}
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