poj2498

简单题

View Code

   
     

    
      #include 
    
      <
    
      iostream
    
      >
    
      
#include 
    
      <
    
      cstdio
    
      >
    
      
#include 
    
      <
    
      cstdlib
    
      >
    
      
#include 
    
      <
    
      cstring
    
      >
    
      

    
      using
    
       
    
      namespace
    
       std;


    
      #define
    
       maxn 20
    
      


    
      char
    
       id[maxn];

    
      int
    
       fac[] 
    
      =
    
      
{ 
    
      9
    
      , 
    
      3
    
      , 
    
      7
    
       };


    
      int
    
       getpos(
    
      char
    
       ch)
{
 
    
      int
    
       len 
    
      =
    
       strlen(id);

 
    
      for
    
       (
    
      int
    
       i 
    
      =
    
       
    
      0
    
      ; i 
    
      <
    
       len; i
    
      ++
    
      )
 
    
      if
    
       (id[i] 
    
      ==
    
       ch)
 
    
      return
    
       i;
 
    
      return
    
       
    
      -
    
      1
    
      ;
}


    
      bool
    
       check()
{
 
    
      int
    
       sum 
    
      =
    
       
    
      0
    
      ;
 
    
      int
    
       len 
    
      =
    
       strlen(id);

 
    
      for
    
       (
    
      int
    
       i 
    
      =
    
       len 
    
      -
    
       
    
      1
    
      ; i 
    
      >=
    
       
    
      0
    
      ; i
    
      --
    
      )
 sum 
    
      +=
    
       (id[i] 
    
      -
    
       
    
      '
    
      0
    
      '
    
      ) 
    
      *
    
       fac[(len 
    
      -
    
       
    
      1
    
       
    
      -
    
       i) 
    
      %
    
       
    
      3
    
      ];
 
    
      if
    
       (
    
      0
    
       
    
      ==
    
       sum 
    
      %
    
       
    
      10
    
      )
 
    
      return
    
       
    
      true
    
      ;
 
    
      return
    
       
    
      false
    
      ;
}


    
      void
    
       work()
{
 gets(id);
 
    
      int
    
       pos 
    
      =
    
       getpos(
    
      '
    
      ?
    
      '
    
      );
 
    
      int
    
       len 
    
      =
    
       strlen(id);
 
    
      for
    
       (
    
      int
    
       i 
    
      =
    
       
    
      0
    
      ; i 
    
      <=
    
       
    
      9
    
      ; i
    
      ++
    
      )
 {
 id[pos] 
    
      =
    
       i 
    
      +
    
       
    
      '
    
      0
    
      '
    
      ;
 
    
      if
    
       (check())
 
    
      return
    
      ;
 }
}


    
      int
    
       main()
{
 
    
      //
    
      freopen("t.txt", "r", stdin);
    
      

    
       
    
      int
    
       t, s 
    
      =
    
       
    
      0
    
      ;
 scanf(
    
      "
    
      %d
    
      "
    
      , 
    
      &
    
      t);
 getchar();
 
    
      while
    
       (t
    
      --
    
      )
 {
 s
    
      ++
    
      ;
 printf(
    
      "
    
      Scenario #%d:\n
    
      "
    
      , s);
 work();
 printf(
    
      "
    
      %s\n\n
    
      "
    
      , id);
 }
 
    
      return
    
       
    
      0
    
      ;
}