Упорядочивание монет

#include <stdio.h>
#include <stdlib.h>
 
void Swap( int* const values, const int left_index, const int right_index )
{
    int swap = values[ left_index ];
    values[ left_index ] = values[ right_index ];
    values[ right_index ] = swap;
}
 
#define CODE_A 97
 
int main( void )
{
    int n;
    int i;
    int* name_coins;
    int* weight_coins;
    int total_records;
    int current_record;
 
    scanf( "%d", &n );
    name_coins = ( int* )malloc( sizeof( int ) * n );
    weight_coins = ( int* )malloc( sizeof( int ) * n );
 
    for ( i = 0; i < n; i++ )
    {
        name_coins[ i ] = i;
        weight_coins[ i ] = i;
    }
 
    total_records = n * ( n - 1 ) / 2;
    for ( current_record = 0; current_record < total_records; current_record++ )
    {
#define GREATER '>'
#define LESS '<'
 
        char left, sign, right;
        int code_left, code_right;
 
        scanf( "%*c%c %c %c", &left, &sign, &right );
        code_left = left - CODE_A;
        code_right = right - CODE_A;
 
        if ( ( ( ( sign == GREATER ) && ( weight_coins[ code_left ]  < weight_coins[ code_right ] ) ) ) ||
            ( ( ( sign == LESS ) && ( weight_coins[ code_left ]  > weight_coins[ code_right ] ) ) ) )
        {
            Swap( weight_coins, code_left, code_right );
            name_coins[ weight_coins[ code_left ] ] = code_left;
            name_coins[ weight_coins[ code_right ] ] = code_right;
        }
    }
 
    printf( "\nSorted data: \n\t" );
    for ( i = 0; i < n; i++ )
    {
        printf( "%c\t", name_coins[ i ] + CODE_A );
    }
 
    free( name_coins );
    free( weight_coins );
 
    printf( "\n\n" );
    system( "pause" );
    return EXIT_SUCCESS;
}