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  1. #include <iostream>
  2.  
  3. using namespace std;
  4.  
  5. long long int wypunktuj(int r);
  6.  
  7. int main()
  8. {
  9.     int ile;
  10.     int a, b;
  11.  
  12.     cin >> ile;
  13.  
  14.     if(ile <= 400000)
  15.     {
  16.         for(int i = 0; i < ile; i++)
  17.         {
  18.             cin >> a >> b;
  19.  
  20.             cout << wypunktuj(b) - wypunktuj(a-1) << endl;
  21.         }
  22.     }
  23.  
  24.     return 0;
  25. }
  26.  
  27. long long int wypunktuj(int r)
  28. {
  29.     int a,b,c,d,e;
  30.     a = r/3;
  31.     b = r/5;
  32.     c = r/10;
  33.     d = b/3;
  34.     e = c/3;
  35.     a = a-d;
  36.     d = d-e;
  37.     c = c-e;
  38.     b = b-c-d-e;
  39.     return a*3 + b*5 + d*15 + c*50 + e*150;
  40. }
  41.  
Success #stdin #stdout 0s 2732KB
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stdin
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3
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stdout
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https://ideone.com/w95tmt
problem AL_07_03, based on SPOJ submission 15739245 (C++ 4.3.2), 2015-11-29 23:59:07
language:
C++ 4.3.2 (gcc-4.3.2)
created:
8 years ago
visibility:
secret

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