OJ-Problems-Source/HDOJ/2034_autoAC.cpp

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#include <stdio.h>
#include <stdlib.h>
int cmp(const int *a, const int *b)
{
return *a - *b;
}
int main(void)
{
int n, m, i, j;
int s[101];
while (scanf("%d%d", &n, &m), m+n)
{
for (i = 0; i < n; i++)
scanf("%d", s + i);
for (i = 0; i < m; i++)
{
scanf("%d", s + n);
for (j = 0; s[j] != s[n]; j++);
if (j != n) s[j] = s[--n];
}
qsort(s, n, sizeof(int), cmp);
for (i = 0; i < n; i++)
printf("%d ", s[i]);
printf(n ? "\n" : "NULL\n");
}
return 0;
}