Write a c++ program that prints Sum of the series 1, 3, 6, 10… (Triangular Numbers).
Note. Create two separate programs (one using a for loop and the other using a while loop).
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| cpp programming exercise with solution |
By using for loop
#include <iostream>
using namespace std;
int main()
{
for (int i = 0; i<= 10; i++)
{
cout<<i*(i+1)/2<<" ";
}
return 0;
}
By using while loop
#include <iostream>
using namespace std;
int main()
{
int i = 0;
while (i<=10)
{
cout<<i*(i+1)/2<<" ";
i++;
}
return 0;
}