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33403 950139 流量言 #8

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33403 950139 流量言 #8

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98 changes: 98 additions & 0 deletions 334 03 950139 劉亮言 帳號登入
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Original file line number Diff line number Diff line change
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#include <iostream>
#include <vector>
using namespace std;
int main() {
int responce;

string account, codeword;
vector<string> accounts;
vector<string> codewords;

while (true) {
int flag = 0;
//選擇功能
cout << "0 註冊帳號 1 登入帳號 2 修改密碼:";
cin >> responce;

//註冊帳號
if (responce == 0){
cout << "註冊新帳號: ";
cin >> account;
if (accounts.size() > 0){
for (int i = 0; i <= accounts.size(); i ++){
if (accounts[i] == account){
cout << "帳號名稱重複" << endl;
cout << "註冊新帳號: ";
cin >> account;
i = 0;
}
else if (i == accounts.size()){
accounts.push_back(account);
cout << "設定密碼: ";
cin >> codeword;
codewords.push_back(codeword);
}
}
}
else {
accounts.push_back(account);
cout << "設定密碼: ";
cin >> codeword;
codewords.push_back(codeword);
}
}

//登入帳號
if (responce == 1){
cout << "輸入帳號: ";
cin >> account;

for (int i = 0; i <= accounts.size(); i ++){

if (accounts[i] == account){
cout << "輸入密碼: ";
cin >> codeword;
if (codewords[i] == codeword){
cout << "登入成功" << endl;
break;
}
else {
cout << "密碼錯誤" << endl;
break;
}
}
else if(i == accounts.size()){
cout << "帳號不存在" << endl;
}
}
}

//修改密碼
if (responce == 2){
cout << "輸入帳號: ";
cin >> account;

for (int i = 0; i <= accounts.size(); i ++){

if (accounts[i] == account){
cout << "輸入密碼: ";
cin >> codeword;
if (codewords[i] == codeword){
cout << "請輸入新的密碼: " << endl;
cin >> codeword;
codewords[i] = codeword;
cout << "修改成功" << endl;
break;
}
else {
cout << "密碼錯誤" << endl;
break;
}
}
else if(i == accounts.size()){
cout << "帳號不存在" << endl;
}
}
}
}
}