Read the question, write Java on the right, then Run or Check.
QuestionHint and solution stay closed until you open them
Read n (≥2) then n distinct integers. Print the second largest.
Examples
Input
4 3 1 8 2
Output
3
Hint
- Track first and second while scanning.
Show correct code
Peek only after you have tried. You can still Check your own version.
import java.util.Scanner;
public class Main {
public static void main(String[] args) {
Scanner in = new Scanner(System.in);
int n = in.nextInt();
int first = Integer.MIN_VALUE, second = Integer.MIN_VALUE;
for (int i = 0; i < n; i++) {
int x = in.nextInt();
if (x > first) { second = first; first = x; }
else if (x > second) second = x;
}
System.out.println(second);
}
}
Main.javaJava 21 · javac · Ctrl + Enter runs
ResultIdle
Run to see output. Check grades the tests.