Write a C program to print a right triangle star pattern

Description: Print a right triangle of stars with 5 rows. The first row has one star, the second has two, and so on.

Hint:

• Use two loops. The outer loop is for rows and the inner loop is for stars in that row.

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C program to print a right triangle of stars

#include <stdio.h>

int main(void) {
    int rows = 5;

    for (int i = 1; i <= rows; i++) {
        for (int j = 1; j <= i; j++) {
            printf("* ");
        }
        printf("\n");
    }
    return 0;
}

Output:

How it works

• The outer loop variable i is the row number.
• The inner loop prints i stars in row i.
• printf("\n") moves to the next row.

Read C Nested Loops.

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