Created
July 13, 2017 18:09
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| var n=100000; | |
| var k=1; | |
| var l,u; | |
| var a=new Array(100000); | |
| var p=new Array(100000); | |
| var segment=[]; | |
| var sg=[]; | |
| function sieve() | |
| { | |
| a.fill(0); | |
| a[0]=1; | |
| a[1]=1; | |
| for(i=4;i<=n;i=i+2) | |
| { | |
| a[i]=1; | |
| } | |
| for(i=3;i<=Math.sqrt(n);i=i+2) | |
| { | |
| for(j=i*i;j<=n;j=j+2*i) | |
| { | |
| a[j]=1; | |
| } | |
| } | |
| p[0]=2; | |
| for(i=3;i<=n;i=i+2) | |
| { | |
| if(a[i]==0) | |
| { | |
| p[k]=i; | |
| //cout<<p[k]<<endl; | |
| k++; | |
| } | |
| } | |
| } | |
| function segmented_sieve(l,u) | |
| { | |
| var root,start,i,j,si; | |
| sg.fill(0); | |
| root=Math.sqrt(u)+1; | |
| for(i=l;i<=u;i++) | |
| { | |
| sg.push(i); | |
| } | |
| if(l==0) | |
| { | |
| sg[1]=0; | |
| } | |
| else if(l==1) | |
| { | |
| sg[0]=0; | |
| } | |
| for(i=0;p[i]<=root;i++) | |
| { | |
| si=p[i]; | |
| start=si*si; | |
| if(start<l) | |
| { | |
| start=((l+si-1)/si)*si; | |
| } | |
| for(j=start;j<=u;j=j+si) | |
| { | |
| sg[j-l]=0; | |
| } | |
| } | |
| } | |
| //test(); | |
| var m,g,c,r,t,l,h,u,w,tc,tx,i,j; | |
| sieve(); | |
| tc=readline().split(' '); | |
| segment.fill(0); | |
| for(tx=1;tx<=tc;tx++) | |
| { | |
| l=readline().split(' '); | |
| u=readline().split(' '); | |
| segmented_sieve(l,u); | |
| for(i=l;i<=u;i++) | |
| { | |
| if(sg[i-l]!=0) | |
| { | |
| segment.push(sg[i-l]); | |
| } | |
| } | |
| for(i=0;i<segment.length;i++) | |
| { | |
| print(segment[i]); | |
| } | |
| segment.fill(0); | |
| sg.fill(0); | |
| print("\n"); | |
| } | |
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