ZJU 5851 Little Sub and Pascal's Triangle 數學

http://acm.zju.edu.cn/onlinejudge/showContestProblem.do?problemId=5851 soks solve(soks n) { soks cnt=0; while(n) { cnt+=(n%2); n=n/2; } return cnt; } //計算n二進制中1的個數

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