C/C++ module equation solution program?

We have n coins, and we must use coins to form a pyramid with the maximum height. We arrange the first coin in the first row, the second and third coins in the second row and so on

in the given diagram , we use coins with height 3 to make pyramid 6. We cannot make height 4, but we need 10 coins. You can easily get the height using this formula;

H = {(-1 √(1 8N))/2}

Input: n = 10
Output: Height of pyramid: 4

Instructions

Use this formula to calculate the height

H = {(-1 √(1 8N))/2}

Example

#include <iostream>
#include <math.h>
using namespace std;
int main() {
   int n=10;
   int height = (-1 + sqrt(1 + 8 * n)) / 2;
   cout << "Height of pyramid: " <<height;
}

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