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Nov 1st, 2014
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  1. #include<cstdio>
  2. #include<algorithm>
  3.  
  4. using namespace std;
  5.  
  6. int t,sol,n,m;
  7.  
  8. int main(){
  9. sol = 0;
  10.  
  11. scanf("%d",&t);
  12.  
  13. for(int i = 0;i < t;i++){
  14.  
  15. scanf("%d %d",&n ,&m);
  16.  
  17. for(int j = n;j <= m;j++){
  18.  
  19. for(int k = 1;k <= j / 2;k++){
  20.  
  21. if(j % k == 0&&k != 1&&k != j){
  22. sol++;
  23.  
  24. break;
  25. }
  26. }
  27.  
  28. if(sol == 0){
  29. printf("%d\n", j);
  30. }
  31.  
  32. sol = 0;
  33. }
  34. }
  35.  
  36. return 0;
  37. }
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