Answer Posted / vignesh1988i

#include<stdio.h>
#include<conio.h>
void main()
{
char str[100],temp;
printf("enter the string :");
gets(str);
for(int i=0,j=0;str[j]!='\0';j++)
{
if(str[j]!=' ')
{
if(str[j+1]==' ')
{
temp=str[j];
str[j]=' ';
str[i]=temp;
i=i+2;
str[i-1]=' ';
}
else if(str[j+1]!=' ')
{
str[i]=str[j];
i++;
}
}
str[i]='\0';
printf("%s",str);
getch();
}

What is %s and %d in c?

973

---

given post order,in order construct the corresponding binary tree

2724

---

Did c have any year 2000 problems?

1062

---

What are the types of unary operators?

1128

---

In which header file is the null macro defined?

1302

---

What does the c in ctime mean?

1018

---

Can a pointer be volatile in c?

931

---

Do you know the difference between exit() and _exit() function in c?

1015

---

What header files do I need in order to define the standard library functions I use?

998

---

What are the characteristics of arrays in c?

992

---

What is pointer and structure in c?

1073

---

What is pass by reference in c?

1146

---

How can I use a preprocessorif expression to ?

998

---

Why do we use stdio h and conio h?

1032

---

A float occupies 4 bytes in memory. How many bits are used to store exponent part? since we can have up to 38 number for exponent so 2 ki power 6 6, 6 bits will be used. If 6 bits are used why do not we have up to 64 numbers in exponent?

2257

---