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p305.java
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p305.java
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import java.util.Arrays;
import java.util.Scanner;
public class p305 {
public static void main(String[] args) {
final Scanner s = new Scanner(System.in);
int[] enemigos = new int[100_001];
int[] defensa = new int[100_001];
int ciudades, res, index;
int min, value, pos;
while (s.hasNext()) {
ciudades = s.nextInt();
min = Integer.MIN_VALUE;
for (int i = 0; i < ciudades; i++) {
enemigos[i] = s.nextInt();
min = Math.min(min, enemigos[i]);
}
pos = 0;
for (int i = 0; i < ciudades; i++) {
value = s.nextInt();
if (value >= min)
defensa[pos++] = value;
}
Arrays.sort(enemigos, 0, ciudades);
Arrays.sort(defensa, 0, pos);
res = index = 0;
for (int i = 0; i < pos && index < pos; i++) {
if (enemigos[i] <= defensa[index])
res++;
else
i--;
index++;
}
System.out.println( res );
}
}
}