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Dec 6th, 2011
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C++ 0.70 KB | None | 0 0
  1. #include <ctime>
  2. #include <iostream>
  3.  
  4. int main() {
  5.     int x, d;
  6.     std::cin >> x >> d;
  7.     x %= 8;
  8.     const clock_t time = clock();
  9.     int r = 0;
  10.     for (int i = 0; i < 1234567890; i++) {
  11.         x = (x + d) % 8;
  12.         switch (x) {
  13.             case 1:
  14.                 r += 2;
  15.                 break;
  16.             case 3:
  17.                 r += 6;
  18.                 break;
  19.             case 5:
  20.                 r += 9;
  21.             case 7:
  22.                 r += 5;
  23.                 break;
  24.             default:
  25.                 r -= 3;
  26.         }
  27.     }
  28.     std::cout << r << std::endl;
  29.     const int divisor = CLOCKS_PER_SEC / 1000;
  30.     std::cout << (clock() - time) / divisor << std::endl;
  31. }
  32.  
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