1035. Password

来源：互联网发布：禁止用户安装软件编辑：程序博客网时间：2024/06/03 23:38

http://pat.zju.edu.cn/contests/pat-a-practise/1035

//字符串转换，输出使用c++下的string类，此时不能用c的scanf。printf。。

switch case 语句的使用，vector容器的使用

输出的字符串要仔细比对，看细节，there is 与 there are 不同...

#include <iostream>#include <string>#include <vector>using namespace std;struct STU {  string account;  string password;};STU stu[1001];vector<STU> ans;int main(){    int n,i,j;  cin>>n;  for (i=1;i<=n;i++)  {    cin>>stu[i].account;    cin>>stu[i].password;  }  for (i=1;i<=n;i++)  {      bool change=false;    int lp=stu[i].password.size();    for (j=0;j<lp;j++)    {      switch(stu[i].password[j])      {        case '1':          stu[i].password[j]='@';          change=true;          break;        case '0':          stu[i].password[j]='%';          change=true;          break;        case 'l':          stu[i].password[j]='L';          change=true;          break;        case 'O':          stu[i].password[j]='o';          change=true;          break;                default:          break;      }    }    if (change)    {           ans.push_back(stu[i]);    }  }    if (ans.size()==0)  {    if (n==1)    {          cout<<"There is 1 account and no account is modified"<<endl;    }    else    cout<<"There are "<<n<<" "<<"accounts and no account is modified"<<endl;    }    else    cout<<ans.size()<<endl;  for (i=0;i<ans.size();i++)  {    cout<<ans[i].account<<" "<<ans[i].password<<endl;  }  return 0;}