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Commit 8fb4089

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author
openset
committed
Add: Base 7
1 parent 5865f74 commit 8fb4089

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2 files changed

+45
-0
lines changed

2 files changed

+45
-0
lines changed

‎problems/base-7/base_7.go‎

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Original file line numberDiff line numberDiff line change
@@ -1 +1,12 @@
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package base_7
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func convertToBase7(num int) string {
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ans := ""
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if num < 0 {
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ans, num = "-", -num
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}
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if num >= 7 {
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ans += convertToBase7(num / 7)
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}
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return ans + string('0'+num%7)
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}

‎problems/base-7/base_7_test.go‎

Lines changed: 34 additions & 0 deletions
Original file line numberDiff line numberDiff line change
@@ -1 +1,35 @@
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package base_7
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import "testing"
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type caseType struct {
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input int
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expected string
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}
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func TestConvertToBase7(t *testing.T) {
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tests := [...]caseType{
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{
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input: 100,
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expected: "202",
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},
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{
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input: -7,
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expected: "-10",
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},
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{
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input: -1,
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expected: "-1",
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},
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{
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input: 0,
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expected: "0",
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},
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}
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for _, tc := range tests {
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output := convertToBase7(tc.input)
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if output != tc.expected {
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t.Fatalf("input: %v, output: %v, expected: %v", tc.input, output, tc.expected)
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}
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}
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}

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