Q&A Discussions
#include<iostream>
using namespace std;
int main ()
{
int a,b;
int sum=a+b;
cout<<"enter a number";
cin>>a;
cout<<"enter another number";
cin b;
cout<<" sum is"<<sum<<endl;
return 0;
}
1 Vote
17 Answers
#include <iostream>
#include <bitset>
int main()
{
int myDecimalNumber;
std::cin >> myDecimalNumber;
std::string binary = std::bitset<8>(myDecimalNumber).to_string(); //to binary
std::cout<<binary<<"\n";
unsigned long decimal = std::bitset<8>(binary).to_long();
std::cout<<decimal<<"\n";
return 0;
}
2 Votes
5 Answers
why is return necessary
4 Votes
3 Answers
Why is it important to include return 0? What happens for other values other than 0?
1 Vote
6 Answers
what is output of given code
void func(int x)
{
x+=6;
}
int main()
{
static int x;
func(x);
cout<<x;
return 0;
}
// zero output explanation given below
2 Votes
10 Answers
Why do we have to return always 0 in case the return type of the main() is int. What will happen if we return some integer other than 0?
1 Vote
5 Answers
void means 'no return value' then is that different with a method 'println()' ?? I don't understand the difference between return value and println()...!
1 Vote
6 Answers
Can anyone please explain me how, using [1,2,3] as a key will return "type error"?
0 Votes
2 Answers
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