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Update Time and Space Complexity Analysis:Pair sum in array #2

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Update Time and Space Complexity Analysis:Pair sum in array #2

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44 changes: 20 additions & 24 deletions Time and Space Complexity Analysis:Pair sum in array
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Original file line number Diff line number Diff line change
@@ -1,26 +1,22 @@
public class PairSum{
public static void pairSum(int[] arr, int num){

for(int i=0;i<arr.length;i++)
{
for(int j=i+1;j<arr.length;j++)
{


if(arr[i]+arr[j]==num)
{
if(arr[i]<arr[j])
System.out.println(arr[i]+" "+arr[j]);

else
System.out.println(arr[j]+" "+arr[i]);
public class Solution {

public static int pairSum(int[] arr, int num) {
int count = 0;
for(int i=0;i<arr.length;i++)
{
for(int j=i+1;j<arr.length;j++)
{


if(arr[i]+arr[j]==num)
{
count ++;
}
}
}
return count;
}
}
}





}
}