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package main
func countCharacters(words []string, chars string) int {
var cnt int
charMap := make(map[rune]int)
for _, v := range chars {
charMap[v]++
}
for _, v := range words {
tmpMap := make(map[rune]int)
for _, vv := range v {
tmpMap[vv]++
}
var flag bool
for k, v := range tmpMap {
if charMap[k] < v {
flag = true
break
}
}
if !flag {
cnt += len(v)
}
}
return cnt
}
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