Grokking the Coding Interview: Patterns for Coding Questions Alternative
Home Page: https://dvpr.gitbook.io/coding-interview-patterns/
Hi,
This is a very good initiative and finding very helpful.
Do you have any plans to continue to expand the notes of other patterns as well? I see the last update is 10 months ago. Interested in other topics as well. Thanks again.
This code does not work for following examples
Actual Output: [2,2]
Expected output : [1,2]
In line no: 61 it should be
minLen = Math.min(minLen, windowSize - windowStart + 1);
instead of
minLen = Math.min(minLen, windowEnd - windowStart + 1);
class Solution {
public int[] twoSum(int[] nums, int target) {
int[] copyArray = Arrays.copyOf(nums, nums.length);
Arrays.sort(copyArray);
int i=0, j=copyArray.length-1;
int[] arr= new int[2];
int num1=0, num2=0;
while(i<j){
int sum= copyArray[i] + copyArray[j];
if(sum < target ) i++;
else if(sum > target) j--;
else {
num1=copyArray[i];
num2=copyArray[j];
break;
}
}
for(int k=0;k<nums.length;k++){
if(num1==nums[k] && arr[0]==0) arr[0]=k;
else if(num2==nums[k]) arr[1]=k;
}
return arr;
}
}
the return type should be int, not void
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