Program to generate the multiplication table of a number (entered by the user) using for loop.
To understand this example to generate the multiplication table, you should have the knowledge of following C++ programming topics:
#include <iostream>
using namespace std;
int main()
{
int n;
cout << "Enter a positive integer: ";
cin >> n;
for (int i = 1; i <= 10; ++i) {
cout << n << " * " << i << " = " << n * i << endl;
}
return 0;
}
The multiplication table is used to define a multiplication operation for any number. It is normally used to lay the foundation of elementary arithmetic operations with base ten numbers.
The multiplication table of any number is written till 10. In each row, the product of the number with 1 to 10 is displayed. An example of the multiplication table of 4 is as follows −
4 * 1 = 4 4 * 2 = 8 4 * 3 = 12 4 * 4 = 16 4 * 5 = 20 4 * 6 = 24 4 * 7 = 28 4 * 8 = 32 4 * 9 = 36 4 * 10 = 40
A program that generates the multiplication table of the given number is as follows.
Example
#include <iostream>
using namespace std;
int main() {
int n = 7, i;
cout<<"The multiplication table for "<< n <<" is as follows:"<< endl;
for (i = 1; i <= 10; i++)
cout << n << " * " << i << " = " << n * i << endl;
return 0;
}
Output
The multiplication table for 7 is as follows: 7 * 1 = 7 7 * 2 = 14 7 * 3 = 21 7 * 4 = 28 7 * 5 = 35 7 * 6 = 42 7 * 7 = 49 7 * 8 = 56 7 * 9 = 63 7 * 10 = 70
In the above program, a for loop is used from 1 to 10. In each iteration of the for loop, the number is multiplied with i and the product is displayed. This is demonstrated by the following code snippet.
for (i = 1; i <= 10; i++)
cout << n << " * " << i << " = " << n * i <<endl;
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