New course! Every coder should learn Generative AI!
Try a free lessonQ&A Discussions
why this output comes 4 and why not -4;
#include<iostream>
using namespace std;
int main() {
int a=4;
int *p=&a;
p-= 8;
cout<<a;
}
0 Votes
3 Answers
why this output 0 ?
#include <iostream>
using namespace std;
int main()
{
double x=(7%6)/2*5;
cout<<x;
}
0 Votes
3 Answers
#include <iostream>
using namespace std;
int sum(int a, int b=42) {
int result = a + b;
return (result);
}
int main() {
int x = 24;
int y = 36;
//calling the function with both parameters
int result = sum(x, y);
cout << result << endl;
//calling the function without b
result = sum(x);
cout << result << endl;
return 0;
}
why is da last function cout 66 and not 48 isn't it suppose to add 24+24?
1 Vote
6 Answers
why this output 2 not 3 ?
#include <iostream>
using namespace std;
int main()
{
int x=1;
x=x++;
cout<<++x;
}
0 Votes
5 Answerswhy this program show compile error?
#include<iostream>
using namespace std;
class a{
public:
int f(){cout<<3;}
int f(int a){cout<<a;}
};
class b:public a
{
public:
int f(){cout<<5;}
};
int main()
{
b obj;
obj.f(7);
}
0 Votes
4 Answerswhy this output only comes 3 and why not output 123?
#include<iostream>
using namespace std;
class A{
public:
virtual void f(){cout<<1;}
};
class B:public A{
public:
void f(){cout<<2;}
};
class C:public B{
public:
void f(){cout<<3;}
};
int main()
{
B *p=new C;
p->f();
}
0 Votes
3 Answerswhich of the following statements are correct for accessing x?and why?
#include <iostream>
using namespace std;
class test{
public:
int x=9;
};
int main()
{
test t;
test *p=&t;
}
select all that apply:-
a) t.x
b) p.x
c) t->x
d) p->x
1 Vote
3 AnswersIn the code below the output is 2. This code is used in a challenge and I get an error when I select the answer 2. It accepts as correct the answer 1 which I believe is wrong. If you agree please thumbs up.
If you find any other errors please post them here!
#include <iostream>
using namespace std;
int main()
{
for(int i=1; i>=1; i++) {
if(i<1 || i>1){
cout << i;
break;
}
}
return 0;
}
8 Votes
8 Answers
I don't understand how to comes following output???could anyone explain?
#include <iostream>
using namespace std;
int x(int &a,int &b)
{
a=3;
b=4;
return a+b;
}
int main()
{
int a=2;
int b=7;
int c=x(a,a);
cout <<a<<endl<<b<<endl<<c;
}
output:-
4
7
8
1 Vote
2 Answerswhy this output 5 and why not 2?
#include <iostream>
using namespace std;
void func(int &x)
{
x=5;
}
int main()
{
int x=2;
func(x);
cout<<x;
}
0 Votes
7 Answerscan anyone explain this output?
#include <iostream>
using namespace std;
int x(int &a,int &b)
{
a=3;
b=4;
return a+b;
}
int main()
{
int a=2;
int b=7;
int c=x(a,a);
cout <<a<<endl<<b<<endl<<c;
}
output:-
4
7
8
0 Votes
2 Answerswhy output llo? could explain?
#include <iostream>
using namespace std;
int main()
{
char *pString="hello";
pString+=2;
cout<<pString;
}
1 Vote
2 Answershow output 26?
#include <iostream>
using namespace std;
int main()
{
int x=1;
for(;x<5;x++)
{
x+=x;
cout<<x;
}
}
0 Votes
2 Answerswhy output 100?
#include <iostream>
using namespace std;
int main()
{
int x=1;
for(;x<100;x++)
{if(x>5) continue;
x*=x;
}
cout<<x;
}
0 Votes
2 AnswersPredict the output of the given program ?
#include<iostream>
using namespace std;
int main()
{
int m=7,k=3;
k+=m++;
m=++k;
k=k++;
m+=++k;
cout<<m<<" "<<k;
return 0;
}
4 Votes
11 Answers
using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.Threading.Tasks;
namespace SoloLearn
{
class Program
{
static void Main(string[] args)
{
int age = Convert.ToInt32(Console.ReadLine());
int broAge = Convert.ToInt32(Console .Readline());
Console.WriteLine("You are {0} years old", "your bro is {1}", age, broAge );
}
}
}
-1 Vote
7 Answers
Can someone help me please. I can understand the result of the cout << p << endl;
#include <iostream>
using namespace std;
int main() {
int x = 8;
int *p;
p = &x;
cout << *p << endl;
cout << p << endl;
cout << &p;
return 0;
}
1 Vote
6 Answers
what is the size of operate? assume size of (int)=2
#include <iostream. h>
using namespace std ;
class test
{
int x_ ;
int y_;
} ;
int main() {
test t ;
court<<size of (t)<<" ;
}
-1 Vote
2 Answers
Using namespace std?
0 Votes
3 Answers
#include <iostream>
using namespace std;
int main() {
int i = 3;
i = ++i + i++;
cout<<i;
return 0;
}
0 Votes
3 Answers
using System;
namespace GoodProgrammerTest
{
class Program
{
static void Main(string[] args)
{
Console.Write("Enter Yes or No");
Console.Write(
"Do you programme every day? : ") ;
int answer = Console.ReadLine();
if (answer =="Yes")
{
Console.WriteLine(
"You will be a good programmer");
}
else
{
Console.WriteLine(
"You will not be a good programmer");
}
}
}
}
2 Votes
3 Answers
what is that output of this program
#include<iostream.h>
using namespace std;
int main()
{
int e1=5, e2=20, e3 = 15;
int *arr[ 3]= {&e1, &e2, &e3};
court<<*arr[*arr[1]-19];
return 0;
}
0 Votes
3 Answers
what is tjis code problem!
#include <iostream>
using namespace std;
int main()
{
int b = 5;
int arr[b] = {11, 35, 62, 555, 989};
int sum = 0;
for (int x = 0; x < 5; x++) {
sum += arr[x];
}
cout << sum << endl;
return 0;
}
I cannot make an array using int variable in order to define array's element number!?
1 Vote
7 Answers
Hi! can anyone help me to write this simple code: #include <iostream>
using namespace std;
int main()
{
if (7 > 4) {
cout << "Yes";
}
return 0;
}
into Microsoft Visual Studio 2015?
0 Votes
4 Answers
if i download the programs for c++ on my pc ( codebuilds and the compiler ) and i want to write a program in my package ( workspace ) i create a new file and write smthing beginning
#include <iostream>
using namespace std;
int main ()
{
...
}
and i want to run it, it always runs this first program : Hello World. and not my written program how can i run just my written program ?
have i maybe to write anything else as
int main () {} ?
0 Votes
16 Answers
what have i to do, if i want that the program always writes for example :
0+1
1+2
3+3
6+4
10+5
15+6
...
because now it just writes
1
3
6
10
15
...
and maybe if it works, can i make then
0+1=1
1+2=3
3+3=6
6+4=10
#include <iostream>
using namespace std;
int main(){
int i;
int sum = 0;
for (i = 1; i <= 100; i++){
sum = sum+i;
cout<<sum<<endl;
}
cout<<sum;
return 0;
}
1 Vote
5 Answersif i text 21 it stacks. program says you are a child. you are a teenager. you are adult. how can i delete this "stack".
#include <iostream>
using namespace std;
int main() {
int age;
cin>>age;
if (age>=14){
cout<<"You're a Teenager"<<endl;
}
if (age>=18){
cout<<"You're adult"<<endl;
}
if (age>=0){
cout<<"You're a Child"<<endl;
}
else{
cout<<"Are u stupid ?"<<endl;
}
return 0;
}
0 Votes
4 Answers
#include <iostream>
using namespace std;
int main() {
int x; int i=3;
x=++i + i++;
cout << x;
return 0;
}
3 Votes
3 Answers
#include <iostream>
using namespace std;
int main() {
int a[4]={1,2,3,4};
a[1]=*(a+2);
*(a+2)=a[3]++;
cout<<a[1]+a[2];
}
could someone explain (comment each line) why the output is 7 ?
1 Vote
4 Answers
I wrote a simple basic c++ code in my PC notepad and I saved it with .cpp extension also. But when I run this program in any browser it shows the code as it is... Do c++ code can be written in notepad and can be run? Please answer.
#include <iostream>
using namespace std;
int main()
❴
cout << "hello";
return0;
❵
2 Votes
10 Answers
Hot today
Media on HTML
0 Votes
Is Sololearn better or Mimo.org?
2 Votes
How to cast in python
0 Votes
How to show img???
0 Votes
Java project
0 Votes
Python
0 Votes
Jungle capming
0 Votes
JavaScript
0 Votes
Editor HTML
0 Votes