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  1. // your code goes here
  2. // function driver(l, r, queries){
  3. //     var sum = 0
  4. //     var res = []
  5. //     for(var i = l; i <= r; i++){
  6. //         sum += i
  7. //     }
  8. //     queries.forEach(query => {
  9. //         if(sum >= query[0] || l >= query[0]) res.push(1)
  10. //         else res.push(0)
  11. //     });
  12. //     return res
  13. // }
  14.  
  15. // let tc = parseInt(readline());
  16. // while(tc--){
  17.  
  18. // 	let queries = readline().split(" ").map(Number);
  19. //     let r = parseInt(readline());
  20. // 	let l = parseInt(readline());
  21. //   console.log(driver(l, r, queries))
  22. //
  23. //}
  24.  
  25.  
  26.  
  27.  
  28.  
  29.  
  30.  
  31.  
  32.  
  33.  
  34.  
  35.  
  36.  
  37. let  pre =new Array(1000,0)
  38. function draive(arr,n){
  39. 	pre[0]=arr[0]
  40. 	for(let i=1;i<n;i++){
  41. 		pre[i]=arr[i]+pre[i-1]
  42. 	}
  43. }
  44. function rangeSum(i,j,pre){
  45. 	if(i===0){
  46. 		return pre[j]
  47. 	}
  48. 	return pre[j]-pre[i-1]
  49. }
  50. let arr=[2,1,3]
  51. let n=arr.length
  52. draive(arr,n)
  53. console.log(rangeSum(6,7,pre))
  54. console.log(rangeSum(2,4,pre))
  55.  
Success #stdin #stdout 0.03s 16980KB
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NaN
NaN
https://ideone.com/dMLTPz
language:
JavaScript (SMonkey 60.2.3)
created:
1 year ago
visibility:
public

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