ret_0

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Dec 19th, 2017
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  1. // 1
  2. #include <stdio.h>
  3. int a, b, sum;
  4. main()
  5. {
  6.     scanf("%i%i", &a, &b);
  7.     for(; a <= b; a++)
  8.         sum += a * a;
  9.     printf("%i", sum);
  10. }
  11.  
  12. // 2
  13. #include <stdio.h>
  14. int shiftr(int*, int);
  15. int n, i;
  16. main()
  17. {
  18.     scanf("%i", &n);
  19.     int a[n];
  20.     for(; i < n; i++)
  21.         scanf("%i", &a[i]);
  22.     for(i = 0; i < 4; i++)
  23.         shiftr(a, n);
  24.     for(i = 0; i < n; i++)
  25.         printf("%i ", a[i]);
  26. }
  27.  
  28. int shiftr(int* a, int n)
  29. {
  30.     for(int i = n - 1; i; i--)
  31.     {
  32.         a[i] += a[i-1];
  33.         a[i-1] = a[i] - a[i-1];
  34.         a[i] -= a[i-1];
  35.     }
  36. }
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