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Solution.java 570 Bytes
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ylb authored 2023-09-13 10:08 +08:00 . feat: add solutions to lc problem: No.0356 (#1614)
class Solution {
public boolean isReflected(int[][] points) {
final int inf = 1 << 30;
int minX = inf, maxX = -inf;
Set<List<Integer>> pointSet = new HashSet<>();
for (int[] p : points) {
minX = Math.min(minX, p[0]);
maxX = Math.max(maxX, p[0]);
pointSet.add(List.of(p[0], p[1]));
}
int s = minX + maxX;
for (int[] p : points) {
if (!pointSet.contains(List.of(s - p[0], p[1]))) {
return false;
}
}
return true;
}
}
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