How many categories of iterators are there in C++?

How many groups of output operations are there in C++?

How many groups of output operations are there in C++?

What does the scanf("%d %f %c", &a, &b, &c) function return if the user enters the input 12 ABC 12.34?

#include void main() { double k = 0; for (k = 0; k < 3.0; k++) printf("%lf", k); }

What does the following C declaration mean?

int (*ptr)[10];

#include <iostream>
using namespace std;

int foo [] = {16, 2, 77, 40, 12071};
int n, result=0;

int main ()
{
 for ( n=0 ; n<5 ; ++n )
 {
   result += foo[n];
 }
 cout << result;
 return 0;
}

What will be the output of the following C++ code?

#include <iostream>

using namespace std;

int main()

{

int a = 10;

if (a < 10) 

{

for (i = 0; i < 10; i++)

cout << i;

}

else 

{

cout << i;

}

return 0;

}

Which of the following is the correct way to interpret 'Hello World' as a single argument?

#include<stdio.h>

void func1(char* s1,char* s2)

{

  char* temp=s1;

  s1=s2;

  s2=temp;

}

void func2(char** s1,char** s2)

{

  char* temp=*s1;

  *s1=*s2;

  *s2=temp;

}

int main()

{

char* s1="Abekus" ;

char* s2="learning";

func1(s1,s2);

printf("%s %s",s1,s2);

func2(&s1,&s2);

printf("%s %s",s1,s2);

return 0;

}