// 统计一个数二进制中的1的个数#includeint count(int a){ int count = 0; while (a) { count++; a = a & (a - 1); } return count;}int main(){ printf("%d\n", count(10)); printf("%d\n", count(0)); printf("%d\n", count(-1)); return 0;}
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// 统计一个数二进制中的1的个数#includeint count(int a){ int count = 0; while (a) { count++; a = a & (a - 1); } return count;}int main(){ printf("%d\n", count(10)); printf("%d\n", count(0)); printf("%d\n", count(-1)); return 0;}
