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  1. #include<stdio.h>
  2. int main() 
  3. {
  4.  
  5. int t,x,y,i,c=1,j; 
  6. int p=0; 
  7. scanf("%d\n",&t); 
  8. while(t--) 
  9. { 
  10. 	c=1;p=0;
  11. 	scanf("%d%d",&x,&y); 
  12. 	for(i=y+x+1;i<2010;i++) 
  13. 	{ 
  14. 		for(j=2;j<i;j++) 
  15. 		{ 
  16. 			if(i%j==0) 
  17. 			{
  18. 				c++;
  19. 				p=1;
  20. 				break; 
  21. 			} 
  22.  
  23. 		}
  24.  
  25. 		if(p==0) 
  26. 		{ 
  27. 			break; 
  28. 		} 
  29. 		if(p==1) 
  30. 		{ p=0; }
  31.  
  32. 	} 
  33. printf("%d\n",c);
  34.  
  35. }
  36.  
  37. return 0; }
Success #stdin #stdout 0s 2252KB
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https://ideone.com/yFvsnz
language:
C (gcc 8.3)
created:
9 years ago
visibility:
public

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