a020. 身分證檢驗 | From: [140.118.175.37] | 發表日期 : 2012-02-10 20:14

#include<iostream>

#include <cstdlib>

#include <cmath>

#include<string>

int main()

{

int  a = 0 , b , c , d ,e;

bool qqq ;

std::string s;

while( std::cin>> s )

{

a = 0;

for ( int i = 8 ; i != 0 ; i-- )

{

a = a + ( s[ i ] - 48 ) * ( 9 - i ) ;

e = ((char)s[ i ]);

//std::cout<<((char)e)<<" "<<s[i]<<std::endl;

}

if ( s [ 0 ] >= 74 && s [ 0 ] <= 90 )

{

b = s [ 0 ] - 57 ;

}

if ( s [ 0 ] == 73 )

{

b = 34 ;

}

if ( s [ 0 ] >= 65 && s [ 0 ] <= 72 )

{

b = s [ 0 ] - 55 ;

}

c = b / 10 ;

d = b % 10 ;

a = a + ( s[ 9 ] - 48 ) + c + d * 9 ;

if ( a % 10 == 0 )

{

std::cout<<"real"<<std::endl;

} 

else

{

std::cout<<"fake"<<std::endl;

}

}

return 0 ;

}