Commit f87fc5f

committed

Add: Factorial Trailing Zeroes

1 parent 6a5f7a3 commit f87fc5fCopy full SHA for f87fc5f

File tree

+53

-0

lines changed

+53

-0

lines changed

Lines changed: 7 additions & 0 deletions

Original file line number	Diff line number	Diff line change
`@@ -1 +1,8 @@`
`1`	`1`	`package factorial_trailing_zeroes`
	`2`	`+`
	`3`	`+func trailingZeroes(n int) int {`
	`4`	`+ if n < 5 {`
	`5`	`+ return 0`
	`6`	`+ }`
	`7`	`+ return n/5 + trailingZeroes(n/5)`
	`8`	`+}`

Lines changed: 46 additions & 0 deletions

Original file line number	Diff line number	Diff line change
`@@ -1 +1,47 @@`
`1`	`1`	`package factorial_trailing_zeroes`
	`2`	`+`
	`3`	`+import "testing"`
	`4`	`+`
	`5`	`+type caseType struct {`
	`6`	`+ input int`
	`7`	`+ expected int`
	`8`	`+}`
	`9`	`+`
	`10`	`+func TestTrailingZeroes(t *testing.T) {`
	`11`	`+ tests := [...]caseType{`
	`12`	`+ {`
	`13`	`+ input: 3,`
	`14`	`+ expected: 0,`
	`15`	`+ },`
	`16`	`+ {`
	`17`	`+ input: 5,`
	`18`	`+ expected: 1,`
	`19`	`+ },`
	`20`	`+ {`
	`21`	`+ input: 7,`
	`22`	`+ expected: 1,`
	`23`	`+ },`
	`24`	`+ {`
	`25`	`+ input: 8,`
	`26`	`+ expected: 1,`
	`27`	`+ },`
	`28`	`+ {`
	`29`	`+ input: 10,`
	`30`	`+ expected: 2,`
	`31`	`+ },`
	`32`	`+ {`
	`33`	`+ input: 12,`
	`34`	`+ expected: 2,`
	`35`	`+ },`
	`36`	`+ {`
	`37`	`+ input: 25,`
	`38`	`+ expected: 6,`
	`39`	`+ },`
	`40`	`+ }`
	`41`	`+ for _, tc := range tests {`
	`42`	`+ output := trailingZeroes(tc.input)`
	`43`	`+ if output != tc.expected {`
	`44`	`+ t.Fatalf("input: %v, output: %v, expected: %v", tc.input, output, tc.expected)`
	`45`	`+ }`
	`46`	`+ }`
	`47`	`+}`

Comments

(0)