P15449 [GeeksforGeeks] Triangle number 1661489840
普及-
题目描述

Geek is very fond of patterns. Once, his teacher gave him a pattern to solve. He gave Geek an integer n and asked him to build a pattern.
Help Geek to build a pattern.

Example 1:
Input: 5
Output:
1 2 3 4 5
1 2 3 4
1 2 3
1 2
1

Your Task:
You don't need to input anything. Complete the function printTriangle() which takes an integer n as the input parameter and print the pattern.
Constraints:
1<= N <= 20

输入格式

见题面

输出格式

见题面

样例输入
5
样例输出
1 2 3 4 5 1 2 3 4 1 2 3 1 2 1