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Author: coder-2433

Problem1_1.java

@@ -0,0 +1,82 @@
+package Problem1;
+
+import java.util.Scanner;
+
+public class Problem1_1 {
+
+
+
+    public static void markRow(int rowArr[], int row , int col){
+        rowArr[row] = 1;
+    }
+    public static void markCol(int colArr[] , int row , int col){
+        colArr[col] = 1;
+    }
+
+    public static void markRow(int arr[][] , int row){
+        for(int i = 0; i < arr.length; i++){
+            arr[i][row] = 0;
+        }
+    }
+    public static void markCol(int arr[][] , int col){
+        for(int i = 0; i < arr[0].length; i++){
+            arr[col][i] = 0;
+        }
+    }
+    public static int[][] fun(int arr[][] , int row[],int col[] , int n , int m){
+
+        for(int i = 0; i < n; i++){
+            for(int j = 0; j < m; j++){
+                if(arr[i][j] == 0){
+                    markRow(row,  i , j);
+                    markCol(col, i , j);
+                }
+            }
+        }
+
+        for(int i = 0; i < n; i++){
+            if(row[i] == 1){
+                markRow(arr , i );
+            }
+        }
+
+        for(int i = 0; i < m; i++){
+            if(col[i] == 1){
+                markCol(arr , i );
+            }
+        }
+
+        return arr;
+
+    }
+    
+    public static void main(String[] args) {
+        
+
+        Scanner sc = new Scanner(System.in);
+
+        int n = sc.nextInt();
+        int m = sc.nextInt();
+        
+
+        int arr[][] = new int[n][m];
+
+        int row[] = new int[n];
+        int col[] = new int[m];
+
+        for(int i = 0; i < n; i++){
+            for(int j = 0; j < m; j++){
+                arr[i][j] = sc.nextInt();
+            }
+        }
+
+        int res[][] = fun(arr,row,col, n, m);
+
+        for(int i = 0; i < n; i++){
+            for(int j = 0; j < m; j++){
+                System.out.print(arr[i][j] + " ");
+            }
+            System.out.println();
+        }
+    }
+}