Question

How to print numbers palindrome triangle pattern in C++

Answer 1

#include <iostream>

void print_palindrome_triangle_pattern(int rows) {
    int count = 0;
 
    for (int i = 0; i < 2 * rows; i = i + 2) {
        for (int j = 0; j <= i; j++) {
            std::cout << 1 + count << " ";
            if (j < i / 2)
                count++;
            else
                count--;
        }
        count = 0;
        std::cout << "\n";
    }
}
int main() {
    print_palindrome_triangle_pattern(7);
}
 
 
 
 
 
/*
run:
 
1 
1 2 1 
1 2 3 2 1 
1 2 3 4 3 2 1 
1 2 3 4 5 4 3 2 1 
1 2 3 4 5 6 5 4 3 2 1 
1 2 3 4 5 6 7 6 5 4 3 2 1 
 
*/

 

70+ SQL courses for beginners and professionals