HDU/2034/main.c
Saturneric 0525ffad24 Add.
2020-09-01 00:48:58 +08:00

41 lines
785 B
C

#include <stdio.h>
int main(void){
int n, m, a[110] = {0}, b[110] = {0},c[110] = {0};
while(scanf("%d %d",&n,&m) != EOF){
if(!m && !n) continue;
int i;
for(i = 0; i < n; i++) scanf("%d",&a[i]);
for(i = 0; i < m; i++) scanf("%d",&b[i]);
int j,count = 0;
for(i = 0; i < n; i++){
int if_in = 0;
for(j = 0; j < m; j++)
if(a[i] == b[j]){
if_in = 1;
break;
}
if(!if_in) c[count++] = a[i];
}
int if_change = 1, temp;
while(if_change && count > 1){
if_change = 0;
for(i = 0; i < count - 1; i++){
if(c[i] > c[i+1]){
temp = c[i];
c[i] = c[i+1];
c[i+1] = temp;
if_change = 1;
}
}
}
if(count)
for(i = 0; i < count; i++){
printf("%d ",c[i]);
}
else printf("NULL");
printf("\n");
}
return 0;
}