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第一次发代码,很挫,大家见谅!已经AC了哦

Posted by xiaodaodao at 2013-03-27 10:28:43 on Problem 1007
/*
  采用标记法:当出现C时候,c_flag = 1,那么后面扫描到A的时候,判断此标记是否为1,当再次出现C时候,c_flag++,因为多了一个C在前面,呵呵~ 
  是则count++,当出现G时候,g_flag = 1, 那么当后面出现C和A时候,判断此标记是否为1,当再次出现C时候,g_flag++,因为多了一个G在前面,呵呵~ 
  是则count++,当出现T时候,t_flag = 1, 那么当后面出现C,A,G时候,判断此标记是否为1,当再次出现T时候,t_flag++,因为多了一个T在前面,呵呵~ 
*/

// A 最小,所以不需要~ 

#include <stdio.h>
#include <stdlib.h>
#include <string.h>

typedef struct 
{
    int w;        // 权值 
    char str[50];
}data;

int cmp( const void * a, const void * b )
{
    return ( (*(data*)a).w - (*(data*)b).w );
}

int main()
{
    int c_flag = 0;
    int g_flag = 0;
    int t_flag = 0;
    int i, n, m, j, t;
    data d[100];
    
    while( scanf("%d%d", &n, &m) != EOF )
    {
         getchar();
         i = -1;
         t = m;
         while( m-- )
         {
             c_flag = 0;    
             g_flag = 0;
             t_flag = 0;
             gets( d[++i].str );
             
             // 下面计算权值! 
             j = -1;
             d[i].w = 0;   // 初始化 
             while( d[i].str[++j] )
             {
                  if( d[i].str[j] == 'A' )
                  {
                      if( c_flag )
                      {
                          d[i].w += c_flag;
                      }
                      if( g_flag )
                      {
                          d[i].w += g_flag;
                      }
                      if( t_flag )
                      {
                          d[i].w += t_flag;
                      }
                  }
                  else if( d[i].str[j] == 'C' )
                  {
                      c_flag++;
                      if( g_flag )
                      {
                          d[i].w += g_flag;
                      }
                      if( t_flag )
                      {
                          d[i].w += t_flag;
                      }
                  }
                  else if( d[i].str[j] == 'G' )
                  {
                       g_flag++;
                       if( t_flag )
                       {
                          d[i].w += t_flag;
                       }
                  }
                  else if( d[i].str[j] == 'T' )
                  {
                       t_flag++;
                  }
             }
         }
         
         qsort( d, t, sizeof( data ), cmp );
         
         for( i = 0; i < t; i++ )
         {
              puts( d[i].str );
         }
    }
    
    return 0;
}




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