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47 lines
678 B
47 lines
678 B
![]()
4 years ago
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package solutions
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func IsSortedBy1(a, b int) int {
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if a-b < 0 {
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return -1
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} else if a-b > 0 {
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return 1
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} else {
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return 0
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}
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}
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func IsSortedBy10(a, b int) int {
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if a-b < 0 {
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return -10
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} else if a-b > 0 {
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return 10
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} else {
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return 0
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}
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}
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func IsSortedByDiff(a, b int) int {
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return a - b
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}
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func IsSorted(f func(int, int) int, arr []int) bool {
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ascendingOrdered := true
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descendingOrdered := true
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for i := 1; i < len(arr); i++ {
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if !(f(arr[i-1], arr[i]) >= 0) {
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ascendingOrdered = false
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}
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}
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for i := 1; i < len(arr); i++ {
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if !(f(arr[i-1], arr[i]) <= 0) {
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descendingOrdered = false
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}
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}
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return ascendingOrdered || descendingOrdered
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}
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