feat(config): add default code snippets for C and C++ languages

src/config/value.ts

@@ -0,0 +1,72 @@
+import { SupportedLanguage } from "@/constants/language";
+
+export const DEFAULT_VALUE: Record<SupportedLanguage, string> = {
+  c: `#include <stdio.h>
+
+#define ARR_LEN 7
+
+void qsort(int v[], int left, int right);
+void printArr(int v[], int len);
+
+int main() {
+  int i;
+  int v[ARR_LEN] = { 4, 3, 1, 7, 9, 6, 2 };
+  printArr(v, ARR_LEN);
+  qsort(v, 0, ARR_LEN - 1);
+  printArr(v, ARR_LEN);
+  return 0;
+}
+
+void qsort(int v[], int left, int right) {
+  int i, last;
+  void swap(int v[], int i, int j);
+
+  if (left >= right) {
+    return;
+  }
+  swap(v, left, (left + right) / 2);
+  last = left;
+  for (i = left + 1; i <= right; i++) {
+    if (v[i] < v[left]) {
+      swap(v, ++last, i);
+    }
+  }
+  swap(v, left, last);
+  qsort(v, left, last - 1);
+  qsort(v, last + 1, right);
+}
+
+void swap(int v[], int i, int j) {
+  int temp;
+
+  temp = v[i];
+  v[i] = v[j];
+  v[j] = temp;
+}
+
+void printArr(int v[], int len) {
+  int i;
+  for (i = 0; i < len; i++) {
+    printf("%d ", v[i]);
+  }
+  printf("\\n");
+}`,
+  cpp: `// Working of implicit type-conversion
+
+#include <iostream>
+using namespace std;
+
+int main() {
+  int num_int;
+  double num_double = 9.99;
+
+  // implicit conversion
+  // assigning a double value to an int variable
+  num_int = num_double;
+
+  cout << "num_int = " << num_int << endl;
+  cout << "num_double = " << num_double << endl;
+
+  return 0;
+}`,
+};