diff --git a/20230223-quiz-basic b/20230223-quiz-basic
new file mode 160000
index 0000000..2f77196
--- /dev/null
+++ b/20230223-quiz-basic
@@ -0,0 +1 @@
+Subproject commit 2f7719667d0aafb1bf8dc9bb88fac805436a2476
diff --git a/bingo.cpp b/bingo.cpp
new file mode 100644
index 0000000..802f966
--- /dev/null
+++ b/bingo.cpp
@@ -0,0 +1,39 @@
+#include <iostream>
+#include <cstdlib>
+using namespace std;
+int main() {
+    int a=0,b;
+    int bingo[5][5];
+    int number[25]={0};
+    srand(time(0));
+    for(int i=0;i<25;i++){
+      int pick;
+      do{
+        pick=rand()%25+1;
+      }while(number[pick-1]>0);
+
+      number[pick-1]++;
+      
+      //cout<< pick <<" " ;
+      //a++;
+      //if(a>=5){
+        //cout <<"\n";
+        //a=0;
+      //}
+    } 
+    int now=0;
+    for(int i=0;i<5;i++){
+      for(int j=0;j<5;j++){
+        bingo[i][j]=number[now];
+        now++;
+        cout <<now;
+      }
+    }
+    for(int i=0;i<5;i++){
+      for(int j=0;j<5;j++){
+        //cout <<bingo[i][j];
+      }
+      //cout<<"\n";
+    }
+  }
+ 
diff --git a/main.cpp b/main.cpp
new file mode 100644
index 0000000..443f256
--- /dev/null
+++ b/main.cpp
@@ -0,0 +1,51 @@
+#include <iostream>
+using namespace std;
+int main() {
+  int a,b,c=0,all_1=0,all_2=0,all_3=0,all_4=0,all;
+  char d,e,g;
+  string f,k;
+  cout <<"請輸入帳號:";
+  cin >> f;
+  if(f[0]!='a'){
+    cout << "帳號不符合";
+    return 0 ;
+  }
+  if(f[0]=='a'){
+      for(int i=1;i<=6;i++){
+        if(f[i]<'0' || f[i]>'9'){
+          cout <<"帳號不符合";
+          return 0;
+        }
+      }
+      if(f[7]!='@' || f[8]!='g'||f[9]!='m'||f[10]!='a'||f[11]!='i'||f[12]!='l'||f[13]!='.'||f[14]!='c'||f[15]!='o'||f[16]!='m'){
+         cout <<"帳號不符合";
+          return 0;
+      }
+  cout <<"請輸入密碼:";
+  cin >> k;
+  for(int i=0;i<20;i++){
+    if(k[i]>'0'&& k[i]<'9'){
+      all_4=1;
+      continue;
+    }
+    else if(k[i]>'a'&& k[i]<'z'){
+      all_1=1;
+      continue;
+    }
+    else if(k[i]>'A'&& k[i]<'Z'){
+      all_2=1;
+      continue;
+    }
+    else {
+      all_3=1;
+    }
+    if(i<=8 && k[i]=='\0'){
+      cout <<"密碼不安全";
+      return 0;
+    }   
+  }
+  all=all_1+all_2+all_3+all_4+1;
+  cout << "密碼強度:"<< all <<"\n";
+  cout << "密碼安全";
+    }
+  }
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