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63 lines
2.3 KiB
Go
63 lines
2.3 KiB
Go
package cses
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import (
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"testing"
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"github.com/stretchr/testify/assert"
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)
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func TestWeirdAlgo(t *testing.T) {
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assert.Equal(t, "[3 10 5 16 8 4 2 1]", WeirdAlgo(3))
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}
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func TestMissingNumber(t *testing.T) {
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assert.Equal(t, 4, MissingNumber(5, []int{2, 3, 1, 5}))
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assert.Equal(t, 7, MissingNumber(9, []int{2, 3, 1, 5, 4, 6, 9, 8}))
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}
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func TestRepetitions(t *testing.T) {
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assert.Equal(t, 0, Repetitions(""))
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assert.Equal(t, 3, Repetitions("ATTCGGGA"))
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assert.Equal(t, 4, Repetitions("AGGTTCGGGGA"))
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}
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func TestIncreasingArray(t *testing.T) {
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assert.Equal(t, 0, IncreasingArray(5, []int{}))
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assert.Equal(t, 0, IncreasingArray(5, []int{3}))
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assert.Equal(t, 5, IncreasingArray(5, []int{3, 2, 5, 1, 7}))
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}
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func TestBeautifulPermutations(t *testing.T) {
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assert.Equal(t, "NO SOLUTION", BeautifulPermutations(2))
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assert.Equal(t, "NO SOLUTION", BeautifulPermutations(3))
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assert.Equal(t, "[3 1 4 2]", BeautifulPermutations(4))
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assert.Equal(t, "[5 3 1 4 2]", BeautifulPermutations(5))
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assert.Equal(t, "[6 4 2 5 3 1]", BeautifulPermutations(6))
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assert.Equal(t, "[7 5 3 1 6 4 2]", BeautifulPermutations(7))
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assert.Equal(t, "[8 6 4 2 7 5 3 1]", BeautifulPermutations(8))
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assert.Equal(t, "[9 7 5 3 1 8 6 4 2]", BeautifulPermutations(9))
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assert.Equal(t, 48895, len(BeautifulPermutations(10000)))
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}
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func TestNumberSpiral(t *testing.T) {
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assert.Equal(t, int64(8), NumberSpiral(2, 3))
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assert.Equal(t, int64(1), NumberSpiral(1, 1))
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assert.Equal(t, int64(15), NumberSpiral(4, 2))
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assert.Equal(t, int64(11), NumberSpiral(2, 4))
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assert.Equal(t, int64(13), NumberSpiral(4, 4))
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assert.Equal(t, int64(18), NumberSpiral(5, 2))
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assert.Equal(t, int64(24), NumberSpiral(2, 5))
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assert.Equal(t, int64(21), NumberSpiral(5, 5))
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assert.Equal(t, int64(19), NumberSpiral(5, 3))
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assert.Equal(t, int64(23), NumberSpiral(3, 5))
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assert.Equal(t, int64(889344699930098742), NumberSpiral(170550340, 943050741))
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assert.Equal(t, int64(890061110095112626), NumberSpiral(121998376, 943430501))
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assert.Equal(t, int64(593021767041187724), NumberSpiral(689913499, 770079066))
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assert.Equal(t, int64(871712102163621276), NumberSpiral(586095107, 933655238))
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assert.Equal(t, int64(999999997000000003), NumberSpiral(999_999_999, 999_999_999))
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}
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func TestTwoKnights(t *testing.T) {
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assert.Equal(t, []int{0, 6, 28, 96, 252, 550, 1056, 1848}, TwoKnights(8))
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}
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