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  1. #include <bits/stdc++.h>
  2. using namespace std;
  3. int main()
  4. {
  5. 	int t,i,n;
  6.     scanf("%d",&t);
  7. 	while(t--)
  8. 	{
  9. 		scanf("%d",&n);
  10. 		long long a[n];
  11. 		for(i=0;i<n;++i)
  12. 		scanf("%lld",&a[i]);
  13. 		long long answer;
  14. 		answer= a[0];
  15. 		if(n==1)  printf("%lld\n",answer);
  16. 		else
  17. 		{
  18. 			for(i=1;i<=n-1;++i)
  19. 			{
  20. 				switch(i%16)
  21. 				{
  22. 					case 1:
  23. 					case 8:
  24. 					case 11:
  25. 					case 14:
  26. 						//Perform division operation
  27. 						if(answer<0 && answer%a[i]!=0) answer= (answer/a[i])-1;        // if the answer is -ve and not fully divisible than value of division will be one less than outcome.
  28. 						else answer/=a[i];
  29. 						break;
  30. 					case 2:
  31. 					case 5:
  32. 					case 12:
  33. 					case 15:
  34. 						answer*=a[i];  //Perform multiplication
  35. 						break;
  36. 					case 3:
  37. 					case 6:
  38. 					case 9:
  39. 					case 0:             // 16 %16 ==0
  40. 					    answer+= a[i];  //Perform Addition
  41. 					    break;
  42. 					case 4:
  43. 					case 7:
  44. 					case 10:
  45. 					case 13:
  46. 						answer-=a[i];   // Perform subtraction
  47. 						break;
  48. 				}
  49. 			}
  50. 			printf("%lld\n",answer);
  51. 		}
  52. 	}
  53. }
Runtime error #stdin #stdout 0s 3456KB
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Standard input is empty
stdout
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Standard output is empty
https://ideone.com/TLy4uc
language:
C++14 (gcc 8.3)
created:
8 years ago
visibility:
public

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