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  1. #include <stdio.h>
  2. int main() {
  3.     int arr[33] = {2, -1};
  4.     int sum;
  5.     for (int i = 2; i <= 32; i++) arr[i] = (-1)*arr[i-1]+arr[i-2]+2;
  6.     for (int i = 0; i <= 32; i += 4) sum += arr[i];
  7.     printf("%d", sum);
  8.     return 0;
  9. }
Success #stdin #stdout 0s 5308KB
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Standard input is empty
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-1263957886
https://ideone.com/WdSyoB
language:
C (gcc 8.3)
created:
17 hours ago
visibility:
public

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