1854. Maximum Population Year.java

class Solution {
    public int maximumPopulation(int[][] logs) {
        var years = new int[101];
        int max = 0, res = -1;
        for(var log : logs){
            years[log[0]-1950]++;
            years[log[1]-1950]--;
        }
        for(var i=1; i<101; i++){
            years[i] = years[i-1] + years[i];
        }
        for(var i=0; i<101; i++){
            if(years[i] > max){
                max = years[i];
                res = i;
            }
        }
        return res + 1950;
    }
}