#include<stdio.h>
#include<stdlib.h>
int main()
{
int a=21,b=22,c;
printf("a=%d b=%d\n",a,b);
c=a;
a=b;
b=c;
printf("a=%d b=%d\n",a,b);
system("pause");
}
#include <stdio.h>
#include <stdlib.h>
main()
{
int a[5]={21,31,41,51,61};
int b[5]={22,32,42,52,62};
int i,c;
for(i=0;i<=4;i++)
printf("a--> %d b-->%d\n", a[i],b[i]);
for(i=0;i<=4;i++)
{
c=a[i];
a[i]=b[i];
b[i]=c;
}
for(i=0;i<=4;i++)
printf("a--> %d b-->%d\n", a[i],b[i]);
system("pause");
return 0;
}
