Untitled
unknown
java
a year ago
863 B
3
Indexable
Never
import java.util.Scanner; public class DeleteTVChannels { public static void main(String[] args) { Scanner scanner = new Scanner(System.in); int N = scanner.nextInt(); // Number of TV channels int K = scanner.nextInt(); // Step size for counting and deleting channels scanner.close(); int remainingChannel = findLastRemainingChannel(N, K); System.out.println(remainingChannel); } public static int findLastRemainingChannel(int N, int K) { int lastRemaining = 0; // The idea is to simulate the process of counting and deleting channels for (int i = 2; i <= N; i++) { lastRemaining = (lastRemaining + K) % i; } // Since channel numbers are 1-based, we add 1 to the result to get the correct channel number return lastRemaining + 1; } }