TrekkingMania

package S4_ForLoops;

import java.util.Scanner;

public class TrekkingMania {
    public static void main(String[] args) {
        Scanner scanner = new Scanner(System.in);
        int groupsCount = Integer.parseInt(scanner.nextLine());

        int sumAllPeople = 0;
        int sumPeopleForMusala = 0;
        int sumPeopleForMonblanc = 0;
        int sumPeopleForKilimandjaro = 0;
        int sumPeopleForK2 = 0;
        int sumPeopleForEverest = 0;


        for (int i = 1; i <= groupsCount; i++) {
            // read for each group - people in it
            int peopleInGroup = Integer.parseInt(scanner.nextLine());

            // add people to all people variable
            // sumAllPeople = sumAllPeople + peopleInGroup
            sumAllPeople += peopleInGroup;

            // check for number of people in group
            if(peopleInGroup <= 5) {
                sumPeopleForMusala = sumPeopleForMusala + peopleInGroup;
            } else if(peopleInGroup <= 12) {
                // sumPeopleForMonblanc =  sumPeopleForMonblanc + peopleInGroup;
                sumPeopleForMonblanc += peopleInGroup;
            } else if(peopleInGroup <= 25) {
                sumPeopleForKilimandjaro += peopleInGroup;
            } else if(peopleInGroup <= 40) {
                sumPeopleForK2 += peopleInGroup;
            } else {
                sumPeopleForEverest += peopleInGroup;
            }
        }

        // print percents for each group
        System.out.printf("%.2f%%%n", 1.0*sumPeopleForMusala / sumAllPeople * 100);
        System.out.printf("%.2f%%%n", 1.0*sumPeopleForMonblanc / sumAllPeople * 100);
        System.out.printf("%.2f%%%n", 1.0*sumPeopleForKilimandjaro / sumAllPeople * 100);
        System.out.printf("%.2f%%%n", 1.0*sumPeopleForK2 / sumAllPeople * 100);
        System.out.printf("%.2f%%%n", 1.0*sumPeopleForEverest / sumAllPeople * 100);
    }
}