Create Boolean Matrix

Boolean Matrix

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+// { Driver Code Starts
+
+#include <bits/stdc++.h> 
+using namespace std; 
+
+ // } Driver Code Ends
+
+
+
+class Solution
+{   
+public:
+    void booleanMatrix(vector<vector<int> > &A)
+    {
+        // code here 
+        int row[A.size()]={0},col[A[0].size()]={0};
+        for(int i=0;i<A.size();i++){
+            for(int j=0;j<A[0].size();j++){
+                if(A[i][j]==1){
+                    row[i]=1;col[j]=1;
+                }
+            }
+        }
+        for(int i=0;i<A.size();i++){
+            for(int j=0;j<A[0].size();j++){
+                if(row[i]==1 || col[j]==1){
+                    A[i][j]=1;
+                }
+            }
+        }
+
+    }
+};
+
+// { Driver Code Starts.
+int main() {
+    int t;
+    cin>>t;
+    while(t--) 
+    {
+        int row, col;
+        cin>> row>> col;
+        vector<vector<int> > matrix(row); 
+        for(int i=0; i<row; i++)
+        {
+            matrix[i].assign(col, 0);
+            for( int j=0; j<col; j++)
+            {
+                cin>>matrix[i][j];
+            }
+        }
+
+        Solution ob;
+        ob.booleanMatrix(matrix);
+
+
+        for (int i = 0; i < row; ++i)
+        {
+            for (int j = 0; j < col; ++j)
+            {
+                cout<<matrix[i][j]<<" ";
+            }
+            cout<<endl;
+        }
+    }
+    return 0;
+}
+
+
+  // } Driver Code Ends