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Re:我的0msIn Reply To:OMS的是怎么过的呀? Posted by:druse at 2008-05-24 21:03:52 #include<iostream>
using namespace std;
int f[102];
int num_escape(int n)
{
memset(f,0,sizeof(f));
int i=1;
while(i<=n)
{
for(int j=1;j<=n;j++)
{
if(!(j%i))
{
f[j]++;
}
}
i++;
}
int sum=0;
for(int j=1;j<=n;j++)
{
if(f[j]&1)sum++;
}
return sum;
}
int main()
{
int text,n;
scanf("%d",&text);
while(text--)
{
scanf("%d",&n);
cout<<num_escape(n)<<endl;
}
}
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