Sha256: bb1c4d455f3bb45496ee9003f01d3fdb0b94a75b903f4b7871c5d2f2c5375b73
Contents?: true
Size: 656 Bytes
Versions: 122
Compression:
Stored size: 656 Bytes
Contents
package lsproduct
import "fmt"
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
122 entries across 122 versions & 1 rubygems