#include <stdio.h>
int main (void){
int i;
int koukan;
int array1[10]={2,4,6,8,10,12,14,16,18,20};
int array2[10]={3,6,9,12,15,18,21,24,27,30};
int *p1,*p2;
p1=array1;
p2=array2;
printf("***交換前***\n");
printf("arrayl=");
for(i=0;i<10;i++){
printf("%3d",*(p1+i));
}
printf("\n");
printf("array2=");
for(i=0;i<10;i++){
printf("%3d",*(p2+i));
}
printf("\n");
for(i=0;i<10;i++){
koukan = *(p1+i);
*(p1+i)=*(p2+i);
*(p2+i)=koukan;
}
printf("***交換後***\n");
printf("arrayl=");
for(i=0;i<10;i++){
printf("%3d",*(p1+i));
}
printf("\n");
printf("array2=");
for(i=0;i<10;i++){
printf("%3d",*(p2+i));
}
printf("\n");
}