Create offer_4

Author: BBLiu-coder

offer_4

@@ -0,0 +1,27 @@
+//面试题4：二维数组的查找
+bool Find(int* matrix, int rows,int columns,int number)
+{
+  bool found=false;
+  if(matrix !=nullptr && rows>0 && colunms>0)
+  {
+    int row=0;
+    int column=columns-1;
+    while(row<rows && colunm>=0)
+    {
+      if(matrix[row*columns+column] == number){
+        found=true;
+        break;
+      }else if(matrix[row*columns+column] > number){
+        --column;
+      }else{
+        ++row;
+      }
+    }
+  }
+  return found;
+}
+
+
+
+
+