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| // Two pointers: one input, opposite ends | |
| fun twoPointers(arr: IntArray): Int { | |
| var left = 0 | |
| var right = arr.size - 1 | |
| val ans = 0 | |
| while (left < right) { | |
| // do some logic here with left and right | |
| if (CONDITION) { | |
| left++ |
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| import java.time.Instant | |
| data class File( | |
| val filename: String, | |
| val size: Int, | |
| val createdAt: Long? = null, | |
| val ttlSec: Long? = null | |
| ) { | |
| fun isAlive(timestamp: Long): Boolean { | |
| if (ttlSec == null || createdAt == null) |
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| [alias] | |
| s = status | |
| a = add | |
| co = checkout | |
| cm = commit -m | |
| amend = commit --amend -m |