目录调整

00lanqiao chap/test100.cpp

@@ -0,0 +1,12 @@
+#include<bits/stdc++.h>
+using namespace std;
+
+int main(){
+    string s = "hello world";
+    char *str = "hello world";
+    char *str_1 = &str[2];
+    str++;
+    cout << str << endl;
+
+    return 0;
+}