Pyramid Star Pattern

Medium Patterns

Print a centered pyramid of stars with n rows.

Sample input

Sample output

* *** ***** *******

Solution

n = 4
for i in range(1, n + 1):
    spaces = " " * (n - i)
    stars = "*" * (2 * i - 1)
    print(spaces + stars)

const n = 4;
for (let i = 1; i <= n; i++) {
  const spaces = " ".repeat(n - i);
  const stars = "*".repeat(2 * i - 1);
  console.log(spaces + stars);
}

public class Main {
    public static void main(String[] args) {
        int n = 4;
        for (int i = 1; i <= n; i++) {
            StringBuilder sb = new StringBuilder();
            for (int s = 0; s < n - i; s++) sb.append(" ");
            for (int j = 0; j < 2 * i - 1; j++) sb.append("*");
            System.out.println(sb.toString());
        }
    }
}

fun main() {
    val n = 4
    for (i in 1..n) {
        val spaces = " ".repeat(n - i)
        val stars = "*".repeat(2 * i - 1)
        println(spaces + stars)
    }
}

let n = 4
for i in 1...n {
    let spaces = String(repeating: " ", count: n - i)
    let stars = String(repeating: "*", count: 2 * i - 1)
    print(spaces + stars)
}

void main() {
  int n = 4;
  for (int i = 1; i <= n; i++) {
    String spaces = ' ' * (n - i);
    String stars = '*' * (2 * i - 1);
    print(spaces + stars);
  }
}

#include <iostream>
using namespace std;

int main() {
    int n = 4;
    for (int i = 1; i <= n; i++) {
        for (int s = 0; s < n - i; s++) cout << " ";
        for (int j = 0; j < 2 * i - 1; j++) cout << "*";
        cout << endl;
    }
    return 0;
}

#include <stdio.h>

int main() {
    int n = 4;
    for (int i = 1; i <= n; i++) {
        for (int s = 0; s < n - i; s++) printf(" ");
        for (int j = 0; j < 2 * i - 1; j++) printf("*");
        printf("\n");
    }
    return 0;
}