H-Index

🎱 problem

https://school.programmers.co.kr/learn/courses/30/lessons/42747

🎱 solution

function solution(citations) {
    citations.sort((a, b) => b - a);
    let count=0;
    for(let i=0;i<citations.length;i++){
        if(i<citations[i]){
            count++;
        }
    } 
    return count;
}