Question

Write a c++ program using for loop that accepts any 2 positive numbers then display the nos. from the lower no. to the bigger no. and compute and print the sum.

Sample run:
Enter two no.: 5 2
the nos. from 2 to 5 are: 2 3 4 5
the sum is: 14

Answer 1

have you tried it ?

Answer 2

find min number first , then using loop print min_number , min_number++ , ..., max_number

Answer 3

Here is a code to solve this problem :
**********************************************************************
#include<iostream> //I include this so I can use : cout and cin
#include<stdlib.h> // I include this so I can use : system("pause")

using namespace std;

int main(){
int a, b, sum=0; //The two numbers a and b, and sum is for the sum.
cout<< "Enter two numbers : "; //a small message to the user.
cin >> a >> b; //Read a and b.
cout<< "The numbers from " << a <<" To " << b <<" are : ";
for(int i=a; i<=b; i++){
sum = sum + i; //I calculate the addition every time i increment.
cout<<" " <<i; // I print out the value of i.
}
cout<< "\nThe sum is : " <<sum <<endl; // At the end I print the value of sum.
system("pause");
}
**********************************************************************
Good luck.

Answer 4

@ktobah congratulations, you enable him to copy and paste your code without understanting anything

Answer 5

apart from that, your code is wrong and i won't tell you where the bug is :P

Answer 6

oh you both are welcome. For the bug you can send him a private message to tell him about it, that will be good i think.

Answer 7

@maheen_khizar yes. i tried. but their's something wrong with my program. but i made some changes. here it is.


#include "stdafx.h"
#include <iostream>

using namespace std;


int _tmain(int argc, _TCHAR* argv[])
{
int a, b, sum=0;


cout<<"Enter first number: ";
cin>> a;
cout<<"Enter second number: ";
cin>>b;

if (a<=0 || b<=0)
{
cout<<"\nYou entered " <<a<< " and " <<b<<". Please Enter a positive integer.\n";

}
else if (a==b)
{
cout<<"\nInvalid input!\n";
}
else if (b>a)
{
cout<< "The numbers from " << a <<" To " << b <<" are : ";

for(int x=a; x<=b; x++)
{
sum = sum + x;
cout<<" " <<x;
}

cout<< "\nThe sum is : " <<sum <<endl;
}
else
{
cout<< "The numbers from " << a <<" To " << b <<" are : ";

for(int x=b; x<=a; x++)
{
sum = sum + x;
cout<<" " <<x;
}

cout<< "\nThe sum is : " <<sum <<endl;
}


system("pause");
return 0;
}

Answer 8

@infinity_ no. i don't copy paste other work. that would be plagiarism.
actually @ktobah and i have the same code.

Answer 9

@ktobah thanks for replying.

Answer 10

@kris100 it's nothing personal, i just say that by posting code you can enable others to paste it without further thought.Ktobah's code takes for granted that a<=b which is not necessarily correct

Answer 11

@kris100 You're welcome, @infinity_ yeah true, that's what I supposed.

Answer 12

@kris100 i didnt compile your code but implemented logic seems correct , is there still any issue in your code?