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  1. #include <stdint.h>
  2. #define N 1<<27
  3.  
  4. #define min(x, y) (x<y?x:y)
  5. #define max(x, y) (x<y?y:x)
  6. #define SWAP(x,y) { const uint64_t a = min(temp[x], temp[y]); const uint64_t b = max(temp[x], temp[y]); temp[x] = a; temp[y] = b;}
  7.  
  8. int main(void){
  9.         uint32_t i;
  10.         uint64_t temp[9] = {1};
  11.  
  12.         for(i = 0; i < N; i ++){
  13.                 SWAP(0, 1);
  14.                 SWAP(3, 4);
  15.                 SWAP(6, 7);
  16.                 SWAP(1, 2);
  17.                 SWAP(4, 5);
  18.                 SWAP(7, 8);
  19.                 SWAP(0, 1);
  20.                 SWAP(3, 4);
  21.                 SWAP(6, 7);
  22.                 SWAP(0, 3);
  23.                 SWAP(3, 6);
  24.                 SWAP(0, 3);
  25.                 SWAP(1, 4);
  26.                 SWAP(4, 7);
  27.                 SWAP(1, 4);
  28.                 SWAP(2, 5);
  29.                 SWAP(5, 8);
  30.                 SWAP(2, 5);
  31.                 SWAP(1, 3);
  32.                 SWAP(5, 7);
  33.                 SWAP(2, 6);
  34.                 SWAP(4, 6);
  35.                 SWAP(2, 4);
  36.                 SWAP(2, 3);
  37.                 SWAP(5, 6);
  38.         }
  39.  
  40.         return temp[6];
  41. }
  42.  
Time limit exceeded #stdin #stdout 5s 2004KB
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https://ideone.com/s6xNOo
language:
C (gcc 8.3)
created:
10 years ago
visibility:
public

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