题解 | #查找输入整数二进制中1的个数#
查找输入整数二进制中1的个数
https://www.nowcoder.com/practice/1b46eb4cf3fa49b9965ac3c2c1caf5ad
#include <stdio.h> int main() { int n, cntOfOne; while(scanf("%d", &n) != EOF){ cntOfOne=0; while(n){ if(n&0x1) cntOfOne++; n >>= 1; } printf("%d\n", cntOfOne); } return 0; }