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QuestionHint and solution stay closed until you open them
Read n, n ints, then target. Print 0-based index or -1.
Examples
Input
4 4 8 15 16 15
Output
2
Hint
- Loop and compare.
Show correct code
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import java.util.Scanner;
public class Main {
public static void main(String[] args) {
Scanner in = new Scanner(System.in);
int n = in.nextInt();
int[] a = new int[n];
for (int i = 0; i < n; i++) a[i] = in.nextInt();
int target = in.nextInt();
int idx = -1;
for (int i = 0; i < n; i++) if (a[i] == target) { idx = i; break; }
System.out.println(idx);
}
}
Main.javaJava 21 · javac · Ctrl + Enter runs
ResultIdle
Run to see output. Check grades the tests.