3 пункт не совпадает
package com.javarush.task.task07.task0721;
import java.util.ArrayList;
import java.io.BufferedReader;
import java.io.IOException;
import java.io.InputStreamReader;
/*
Минимаксы в массивах
*/
public class Solution {
public static void main(String[] args) throws IOException {
BufferedReader reader = new BufferedReader(new InputStreamReader(System.in));
int[] list = new int[20];
int maximum = list[0];;
int minimum = list[0];;
for(int i = 0; i < 20; i++){
int s = Integer.parseInt(reader.readLine());
list[i] = s;
}
for(int i = 0; i < list.length; i++){
if(minimum >= list[i]){
minimum = list[i];
}
if(maximum <= list[i]){
maximum = list[i];
}
}
System.out.print(maximum + " " + minimum);
}
}