Printing divisible by 7 numbers using For Loop in C++


This program prints out all the numbers from 1 to 100 that are divisible by 7. The code initializes three variables: i, n, and a. i is used as a counter in the for loop, n is set to 7 (the divisor we're checking for), and a is set to 100 (the maximum number we're checking).

The for loop then starts from 1 and runs until i is greater than a. In each iteration, it checks if i is divisible by 7 using the modulus operator (%). If i is divisible by 7, it prints out i on a new line. Finally, the program returns 0 to indicate successful completion.

Source Code

#include<iostream>
using namespace std;
int main()
{
    int i,n=7,a=100;
    cout<<"Numbers divisible by 7 are:";
    for(i=1;i<=a;i++)
    {
        if(i%7==0)
        {
            cout<<"\n"<<i;
        }
    }
    return 0;
}
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Output

Numbers divisible by 7 are:
7
14
21
28
35
42
49
56
63
70
77
84
91
98

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