5.
#include<stdio.h>
void fun(int *s, int m, int n)
{
int t;
while(m<n)
{t=s[m]; s[m]=s[n]; s[n]=t; m++; n--;} }
main()
{
Int a[5]={1,2,3,4,5},k;
fun(a,0,4);
for(k=0;k<5;k++)
printf("%d ",a[k]);
}
6.
int fun(char s[])
{
int n=0;
while(*s<='9'&&*s>='0')
{
n=10*n+*s-'0';
s++;
}
return(n);
}
main()
{
char s[10]={'6','1','*','4','*','9','*','0','*'};
printf("%d\n",fun(s));
}
7.
#include<stdio.h>
Int fun(int x)
{
int y;
if(x==0||x==1)return(3);
y=x*x-fun(x-2)
return y;
}
main()
{
int x,y;