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Runtime: 1 ms (Top 99.90%) | Memory: 44.3 MB (Top 29.92%)
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@@ -1,12 +1,13 @@
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// Runtime: 1 ms (Top 99.90%) | Memory: 44.3 MB (Top 29.92%)
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class Solution {
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public int[] intersection(int[] nums1, int[] nums2) {
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int[] dp = new int[1000];
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for(int i:nums1){
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dp[i]++;
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}
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int[] ans = new int[1000];
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//declaring ptr to track ans array index
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//declaring ptr to track ans array index
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int ptr = 0;
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for(int i:nums2){
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if(dp[i] != 0){
@@ -17,4 +18,4 @@ public int[] intersection(int[] nums1, int[] nums2) {
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}
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return Arrays.copyOfRange(ans, 0, ptr);
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}
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}
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}

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