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用scanf printf就对的,用cin cout就错了#include<iostream>
using namespace std;
bool prime[10000];
int main()
{
int i,j;
memset(prime,true,sizeof(prime));
for(i=2;i<100;i++)
{
if(prime[i])
{
for(j=i*i;j<10000;j+=i)
prime[j]=false;
}
}
int n,sum,count;
while(cin>>n,n)
{
for(i=2,count=0;i<=n;i++)
{
if(!prime[i]) continue;
for(j=i,sum=0;j<=n;j++)
{
if(!prime[j]) continue;
sum+=j;
if(sum<n) continue;
else if(sum==n)
{
count++;
break;
}
else break;
}
}
cout<<count<<endl;
}
return 0;
}
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