update

.gitignore

@@ -1,3 +1,6 @@
+/build
+/.vscode
+/.xmake
 # ---> C++
 # Prerequisites
 *.d

20240821/P1158/P1158.cpp

@@ -0,0 +1,35 @@
+#include <cctype>
+#include <cstdio>
+#include <iostream>
+#include <ostream>
+using namespace std;
+
+const int MAX_N = 1e5+5;
+
+struct Dir{
+    Dir(int x,int y):x(x),y(y){}
+    int x,y;
+    friend ostream& operator<<(ostream &os,Dir d){
+        os<<"Dir { x="<<d.x<<" ,y="<<d.y<<" } ";
+        return os;
+    }
+};
+int readInt();
+
+int main(){
+    
+}
+
+int readInt(){
+    int x=0,w=1;
+    char ch=0;
+    while(!isdigit(ch)){
+        if(ch=='-')w=-1;
+        ch=getchar();
+    }
+    while(isdigit(ch)){
+        x=x*10+(ch-'0');
+        ch=getchar();
+    }
+    return x*w;
+}

xmake.lua

@@ -0,0 +1,4 @@
+target("P1158")
+    set_rundir("20240821/P1158")
+    add_files("20240821/P1158/P1158.cpp")
+