Sha256: 01eade6b16368a3167415a0ea88d903c2a9928e7141c95837d7a4693621742be
Contents?: true
Size: 679 Bytes
Versions: 158
Compression:
Stored size: 679 Bytes
Contents
package lsproduct
import "fmt"
const testVersion = 4
func LargestSeriesProduct(digits string, span int) (int64, error) {
if span < 0 {
return 0, fmt.Errorf("span is negative: %d", span)
}
if len(digits) < span {
return 0, fmt.Errorf("len(%s) < span: %d < %d", digits, len(digits), span)
}
v := make([]int64, len(digits))
for i, r := range digits {
if r < '0' || r > '9' {
return 0, fmt.Errorf("input %q contains non-digits", digits)
}
v[i] = int64(r - '0')
}
maxsp := int64(0)
for i, last := 0, len(v)-span+1; i < last; i++ {
sp := int64(1)
for _, d := range v[i : i+span] {
sp *= d
}
if sp > maxsp {
maxsp = sp
}
}
return maxsp, nil
}
Version data entries
158 entries across 158 versions & 1 rubygems