support bazel complie this project and format code.

basic_content/const/funciton_const/condition2/condition1.cpp

@@ -1,10 +1,9 @@
-#include<iostream>
+#include <iostream>
 using namespace std;
-int main(){
-
-    int num=0;
-    int * const ptr=&num; //const指针必须初始化！且const指针的值不能修改
-    int * t = &num;
-    *t = 1;
-    cout<<*ptr<<endl;
+int main() {
+  int num = 0;
+  int *const ptr = &num; // const指针必须初始化！且const指针的指向不能修改
+  int *t = &num;
+  *t = 1;
+  cout << *ptr << endl;
 }