solution of PRIME1 - Prime Generator on spoj

PRIME1 - Prime Generator

solution-

#include<stdio.h>

#include<math.h>

int main()

{int t;

long long int l,h,i,flag;

scanf("%d",&t);

while(t--)

{

scanf("%lld%lld",&l,&h);

while(l<=h)

{

flag=0;

for(i=2;i<=sqrt(l);i++)

{ if(l%i==0)

{

flag=1;

break;

} }

if(flag==0)

{ if(l!=1)

printf("%lld\n",l);

}

l++;

}

printf("\n");

}

return 0;

}

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