Guest User

Untitled

a guest
Jun 22nd, 2018
88
0
Never
Not a member of Pastebin yet? Sign Up, it unlocks many cool features!
C 1.53 KB | None | 0 0
  1. #include <stdlib.h>
  2. #include <stdio.h>
  3. #include <string.h>
  4.  
  5. char *num =
  6. "73167176531330624919225119674426574742355349194934"
  7. "96983520312774506326239578318016984801869478851843"
  8. "85861560789112949495459501737958331952853208805511"
  9. "12540698747158523863050715693290963295227443043557"
  10. "66896648950445244523161731856403098711121722383113"
  11. "62229893423380308135336276614282806444486645238749"
  12. "30358907296290491560440772390713810515859307960866"
  13. "70172427121883998797908792274921901699720888093776"
  14. "65727333001053367881220235421809751254540594752243"
  15. "52584907711670556013604839586446706324415722155397"
  16. "53697817977846174064955149290862569321978468622482"
  17. "83972241375657056057490261407972968652414535100474"
  18. "82166370484403199890008895243450658541227588666881"
  19. "16427171479924442928230863465674813919123162824586"
  20. "17866458359124566529476545682848912883142607690042"
  21. "24219022671055626321111109370544217506941658960408"
  22. "07198403850962455444362981230987879927244284909188"
  23. "84580156166097919133875499200524063689912560717606"
  24. "05886116467109405077541002256983155200055935729725"
  25. "71636269561882670428252483600823257530420752963450";
  26.  
  27. #define MAX(a,b) ((a) > (b) ? (a) : (b))
  28.  
  29. int main() {
  30.   int i, n, prod, max;
  31.  
  32.   num = strdup(num);
  33.   n = strlen(num);
  34.   for (i = 0; i < n; i++)
  35.     num[i] = MAX(num[i] - '0', 1);
  36.  
  37.   prod = 1;
  38.   for (i = 0; i < 5; i++)
  39.     prod *= num[i];
  40.  
  41.   max = prod;
  42.   for (; i < n; i++) {
  43.     prod = prod / num[i-5] * num[i];
  44.     max = MAX(max, prod);
  45.   }
  46.  
  47.   printf("%d\n", max);
  48.  
  49.   return 0;
  50. }
Add Comment
Please, Sign In to add comment