无重复字符的连续子串的个数 about arithmeticquestions HOT 1 OPEN

let str1 = 'abac';
let str2 = 'xbmxbnh';

function GetCountOfSubString1(str) {
    let len = str.length
    let count = 0

    for(let i = 0;i<len ;i++){
        let l = 1
        while(l <= len - i){
            const char = str.substr(i, l)
            console.log(char, 'char')
            if(getStr(char)){
                count++
            }
            l++
        }
    }
    return count
}

function getStr(str){
    for(let i = 0;i<str.length;i++){
        if(str.indexOf(str[i]) !== str.lastIndexOf(str[i])){
            return false
        }
    }
    return true
}
console.log(GetCountOfSubString1(str2))