This problem is in Contest(s) below:
Contest 1963:语法基础-循环结构练习-(6)while循环
Contest 1047:基础提高4
Contest 1675:2023基础提高班2
Contest 1832:2024语言基础班第六天
Contest 1926:循环复习2
Contest 1771:查漏补缺基础1
Contest 1055:基础提高6
Contest 1720:2023基础提高班第一天