C++ - Loops To Build Pattern of * and numbers
This program will accept a number as input. The loops are used to build a pattern of * and numbers. There are four loops, two for displaying number and other two for displaying pattern of stars.
Source Code
int main()
{
int n;
std::cout << "Enter a number: ";
std::cin >> n;
std::cout << "\n";
for(int i = n; i > 1; i--)
{
for(int j = 1; j <= i; j++)
std::cout << "*";
std::cout << "\n";
}
for(int i = 1; i <= n; i++)
{
for(int j = 1; j <= i; j++)
std::cout << "*";
std::cout << "\n";
}
std::cout << "\n";
for(int i = 1; i < n; i++)
{
for(int j = 1; j <= i; j++)
std::cout << j;
std::cout << "\n";
}
for(int i = n; i >= 0; i--)
{
for(int j = 1; j <= i; j++)
std::cout << j;
std::cout << "\n";
}
std::cout << "\n";
return 0;
}
Output
Enter a number: 6
******
*****
****
***
**
*
**
***
****
*****
******
1
12
123
1234
12345
123456
12345
1234
123
12
1
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