#XW1554. 有几个1
有几个1
有几个1
题目描述
输入一个正整数,输出这个整数二进制表示中1的个数。
样例
7
3
数据范围:1<=n<=10000
输入一个正整数,输出这个整数二进制表示中1的个数。
7
3
数据范围:1<=n<=10000
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