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package main
import (
student "student"
"lib"
)
// Returns the element of the slice that doesn't have a correspondant pair
func unmatch(elems []int) int {
var quant int
for _, el := range elems {
quant = 0
for _, v := range elems {
if v == el {
quant++
}
}
if quant%2 != 0 {
return el
}
}
return -1
}
func main() {
i1 := lib.RandIntBetween(-100, 100)
i2 := lib.RandIntBetween(-1000, 1000)
i3 := lib.RandIntBetween(-10, 10)
args := [][]int{
{1, 1, 2, 3, 4, 3, 4},
{1, 1, 2, 4, 3, 4, 2, 3, 4},
{1, 2, 1, 1, 4, 5, 5, 4, 1, 7},
{1, 2, 3, 4, 5, 6, 7, 8},
{0, 20, 91, 23, 10, 34},
{1, 1, 2, 2, 3, 4, 3, 4, 5, 5, 8, 9, 8, 9},
{i1, i2, i1, i2, i1 + i3, i1 + i3},
{i1, i2, i1, i2, i1 + i3, i2 - i3},
}
for _, v := range args {
lib.Challenge("Unmatch", student.Unmatch, unmatch, v)
}
}