S. Search In Matrix

import java.util.*;

public class now {
    public static void Solution(int arr[][], int N) {
        boolean flag=true;
        for(int i=0;i<arr.length;i++){
            for(int j=0;j<arr[0].length;j++){
                if(N==arr[i][j]) flag=false;
            }
        }
        if(flag==true) System.out.println("will take number");
        else System.out.println("will not take number");
    }

    public static void main(String args[]) {
        Scanner sc = new Scanner(System.in);
        int r;
        r = sc.nextInt();   //r -> rows

        int c;
        c = sc.nextInt();   //c -> columns

        int arr[][] = new int [r][c];
        for(int i=0;i<r;i++){
            for(int j=0;j<c;j++){
                arr[i][j]=sc.nextInt();
            } 
        }

        int N;
        N=sc.nextInt();

        Solution(arr,N);

        sc.close();
    }
}


link - https://codeforces.com/group/MWSDmqGsZm/contest/219774/problem/S