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B_temp.cpp
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52 lines (49 loc) · 1018 Bytes
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#include <iostream>
using namespace std;
bool prime(int x)
{
for(int i=2;i<=x/2;i++)
{
if(x/i==0)
return false;
}
return true;
}
int main()
{
char a[10000][3];
int n,m,i,j,k;
int l;
cin>>n>>m;
if(prime(n)==false)
{
for(i=1,j=2;j<=m;j++)
{
if(prime(j)==true)
{
for(k=j;k>=j,k<=m;k++)
{
if(prime(k)==true&&k<(n+j)&&k>(n-j)&&k>(j-n))
{a[i][3]=k;a[i][2]=j;a[i][1]=n;i++;}
}
}
}
}
else
{
for(i=1,j=1;j<=m;j++)
{
for(k=j;k>=j,k<=m;k++)
{
if(prime(k)==true&&k<(n+j)&&k>(n-j)&&k>(j-n))
{a[i][3]=k;a[i][2]=j;a[i][1]=n;i++;}
}
}
}
cout<<i<<endl;
for(l=1;l<=i;l++)
{
cout<<a[l][1]<<" "<<a[l][2]<<" "<<a[l][3]<<endl;
}
return 0;
}