forked from root/public
You can not select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
73 lines
1.4 KiB
73 lines
1.4 KiB
package main |
|
|
|
import ( |
|
student "student" |
|
|
|
"github.com/01-edu/public/go/tests/lib" |
|
) |
|
|
|
func trimAtoi(s string) int { |
|
runes := []rune(s) |
|
for i := range s { |
|
runes[i] = rune(s[i]) |
|
} |
|
var numbers []rune |
|
for _, r := range runes { |
|
if (r >= '0' && r <= '9') || (len(numbers) == 0 && (r) == '-' || r == '+') { |
|
numbers = append(numbers, r) |
|
} |
|
} |
|
if len(numbers) == 0 || (len(numbers) == 1 && (numbers[0] == '-' || numbers[0] == '+')) { |
|
return 0 |
|
} |
|
|
|
res, i, sign := 0, 0, 1 |
|
|
|
if numbers[0] == '-' { |
|
sign = -1 |
|
i++ |
|
} else if numbers[0] == '+' { |
|
i++ |
|
} |
|
for ; i < len(numbers); i++ { |
|
res = res*10 + int(numbers[i]) - '0' |
|
} |
|
|
|
return sign * res |
|
} |
|
|
|
func stringsToTrimAtoi(a []string) []string { |
|
alpha := "abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ0123456789012345678901234567890123456789" |
|
|
|
for index := 0; index < 4; index++ { |
|
s := "" |
|
s += lib.RandStr(lib.RandIntBetween(0, 2), alpha) |
|
x := lib.RandIntBetween(0, 14) |
|
if x <= 4 { |
|
s += "-" |
|
} |
|
s += lib.RandStr(lib.RandIntBetween(0, 10), alpha) |
|
a = append(a, s) |
|
} |
|
return a |
|
} |
|
|
|
func main() { |
|
a := []string{ |
|
"", |
|
"12345", |
|
"str123ing45", |
|
"012 345", |
|
"Hello World!", |
|
"sd+x1fa2W3s4", |
|
"sd-x1fa2W3s4", |
|
"sdx1-fa2W3s4", |
|
lib.RandAlnum(), |
|
} |
|
a = stringsToTrimAtoi(a) |
|
for _, elem := range a { |
|
lib.Challenge("TrimAtoi", student.TrimAtoi, trimAtoi, elem) |
|
} |
|
} |
|
|
|
// TODO: refactor, including the subject
|
|
|