frq 2017 + 2015

rohitd3 · Apr 28, 2023 · 958aa4d · 958aa4d
1 parent a3135ed
commit 958aa4d
Showing 1 changed file with 64 additions and 0 deletions.
diff --git a/_notebooks/2023-04-27-frqpractice2017.ipynb b/_notebooks/2023-04-27-frqpractice2017.ipynb
@@ -333,6 +333,70 @@
     "}\n",
     "Position.main(null);"
    ]
+  },
+  {
+   "cell_type": "code",
+   "execution_count": 30,
+   "metadata": {
+    "vscode": {
+     "languageId": "java"
+    }
+   },
+   "outputs": [
+    {
+     "name": "stdout",
+     "output_type": "stream",
+     "text": [
+      "16\n",
+      "16\n",
+      "32\n",
+      "28\n",
+      "20\n"
+     ]
+    }
+   ],
+   "source": [
+    "public class ArrayManipulation{\n",
+    "\n",
+    "    public static int arraySum(int[] arr){\n",
+    "        int arraySum = 0;\n",
+    "        for(int i = 0; i < arr.length; i++){\n",
+    "            // System.out.println(\"array sum: \" + arraySum);\n",
+    "            // System.out.println(\"arr i \"+ arr[i]);\n",
+    "\n",
+    "            arraySum += arr[i];\n",
+    "\n",
+    "        }\n",
+    "        System.out.println(arraySum);\n",
+    "        return arraySum;\n",
+    "    }\n",
+    "\n",
+    "    public static int[] rowSums(int[][] arr2D){\n",
+    "        int rowSum;\n",
+    "        int[] rowSumS = new int[arr2D.length];\n",
+    "\n",
+    "        for(int i = 0; i < arr2D.length; i++){\n",
+    "            rowSum = 0;\n",
+    "            for(int h = 0; h < arr2D[i].length; h++){\n",
+    "                rowSum += arr2D[i][h];\n",
+    "            }\n",
+    "            rowSumS[i] = rowSum;\n",
+    "            System.out.println(rowSumS[i]);\n",
+    "        }\n",
+    "        return rowSumS;\n",
+    "    }\n",
+    "\n",
+    "    public static void main(String[] args){\n",
+    "        int[] arr = {1, 3, 2, 7 ,3};\n",
+    "        ArrayManipulation.arraySum(arr);\n",
+    "\n",
+    "        int[][] arr2D = {{1, 3, 2, 7 ,3}, {10, 10, 4, 6, 2}, {5, 3, 5, 9 ,6 }, {7,6,4,2,1}};\n",
+    "        ArrayManipulation.rowSums(arr2D);\n",
+    "    } \n",
+    "\n",
+    "}\n",
+    "ArrayManipulation.main(null);"
+   ]
   }
  ],
  "metadata": {