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#include<stdio.h>
int main()
{
int t,i;
while(scanf("%d",&t)!=EOF)
{
int sum=0;
for(i=2;i<=t;i=i*2)
sum+=t/i;
sum++;
printf("%d\n",sum);
}
}
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原文地址:http://www.cnblogs.com/mycapple-zgs-111411/p/4616847.html