Subarray Division 1

  • + 2 comments

    In Javascript:

    function birthday(s, d, m) {
        let count = 0;
        for(let i=0 ; i < s.length-m + 1 ; i++){
            if(s.slice(i,i+m).reduce((a,b)=>a+b,0) == d) count++
        }
        return count
    }