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896.java
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896.java
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sample 1 ms submission
class Solution {
public boolean isMonotonic(int[] A) {
if (A.length == 1) {
return true;
}
int p = 1;
while (p < A.length && A[p - 1] <= A[p]) {
++p;
}
if (A.length != p) {
p = 1;
while (p < A.length && A[p] <= A[p - 1]) {
++p;
}
}
return A.length == p;
}
}
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sample 47008 kb submission
class Solution {
public boolean isMonotonic(int[] arr) {
int[] sorted = IntStream.of(arr)
.boxed()
.sorted()
.mapToInt(i -> i)
.toArray();
int[] reversed = IntStream.of(arr)
.boxed()
.sorted(Collections.reverseOrder())
.mapToInt(i -> i)
.toArray();
return Arrays.equals(sorted, arr) || Arrays.equals(reversed, arr);
}
}
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