#include
int main()
{
int m,n;
scanf("%d",&m);
n = m % 10;
while(m/10 != 0)
{
m = m / 10;
n = n * 10 + m % 10;
}
printf("%d\n",n);
};
满意请采纳,若有疑问请追问
int i = 1234567890;
int j = 0;
while( i > 0)
{
j = (i%10) + j*10;
i = i/10;
}
printf("%d\n",j);
int i,j;
i = 1234;
while(i%10 != 0)
{
j = i%10;
printf("%d",j);
i = i/10;
}