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[646] Maximum Length of Pair Chain #652

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[646] Maximum Length of Pair Chain #652

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18 changes: 18 additions & 0 deletions dlek-user/[646] Maximum Length of Pair Chain
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Original file line number Diff line number Diff line change
@@ -0,0 +1,18 @@
class Solution {
public int findLongestChain(int[][] pairs) {
Arrays.sort(pairs, (a, b) -> a[1] - b[1]);

int count = 0;
int currentEnd = Integer.MIN_VALUE;

for (int[] pair : pairs) {

if (pair[0] > currentEnd) {
count++;
currentEnd = pair[1];
}
}

return count;
}
}