#1864. 练26.1 输出偶数
练26.1 输出偶数
说明
按照由小到大的顺序,输出$1\sim n$之间的所有偶数。输入格式
输入$n$。输出格式
输出为一行,各个偶数之间用一个空格隔开。10
2 4 6 8 10
10
2 4 6 8 10
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