334 46 955470 劉泰廣-第二階段

南山gmail.cpp

@@ -0,0 +1,52 @@
+#include <iostream>
+#include <string>
+#include <locale>
+using namespace std;
+
+int main() {
+    string gmail, password, ending, number;
+    int a = 0, c = 0, d = 0, e = 0, f = 0;
+    bool b = true;
+    cin >> gmail;
+    number = gmail.substr(1, 6);
+    ending = gmail.substr(7);
+    for (int i=0 ; i<6; i++){
+        if ('0'<=number[i] && number[i]<='9'){
+        a++;
+            }
+    }
+    if (a!=6 || gmail[0]!='a' || ending!="@gmail.com") {
+    cout << "不符合格式，重打\n";
+    int a = 0;
+    cin >> gmail;
+    number = gmail.substr(1, 6);
+    ending = gmail.substr(7);
+    for (int i=0 ; i<6; i++){
+        if ('0'<=number[i] && number[i]<='9'){
+        a++;
+            }
+        }
+        a=0;
+    }
+    cout << "符合了，請輸入密碼\n";
+
+    cin >> password;
+        while(password.length()<8) {
+        cout << "失敗，因為長度太短，請重新輸入密碼\n";
+        cin >> password;
+    }
+    for (int k=0; k<password.size(); k++){
+        if (ispunct(password[k]))
+            c++;
+        if (isupper(password[k]))
+            d++;
+        if (islower(password[k]))
+            e++;
+        if (isdigit(password[k]))
+            f++;
+        }
+            if (c+d+e+f == password.size() && c!=0 && d!=0 && e!=0 && f!=0)
+                cout << "好樣的，密碼強度是強@@\n";
+            else
+                cout << "密碼太弱囉，不過你開心就好\n";
+}