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// Why i got "RE" . Any one can help me please. //




#include<stdio.h>
#include<math.h>
#define N 10000000
_int64 a[N];
void seive()
{
_int64 i,j,s;
a[0]=0;a[1]=0;a[2]=1;

for(i=3;i<N;i=i+2)
{
a =1;a[i+1]=0;
}
s=long(sqrt(N));
for(i=3;i<=s;i=i+2)
if(a )
{
for(j=i*i;j<N;j+=i)
a[j]=0 ...