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xiaowu787

ľ³æ (ÕýʽдÊÖ)

[½»Á÷] ¡¾ÇóÖú¡¿°ïæ¿´Ò»¶Î³ÌÐò ÒÑÓÐ5È˲ÎÓë

ÏÖÔÚ¸Õѧϰc++,д¸öС³ÌÐò×¼±¸´¦ÀíÒ»ÏÂÊý¾Ý£¨ÔÝʱδ×ö´¦Àí£©£º
´ÓÒ»¸öÎļþÏòÁíÒ»¸öÎļþ°´ÕÕ¸ñʽдÈ룬µ«ÊÇûÓÐʵÏÖ--¾ÍÊÇСÊýµã±£ÁôËÄ룬ÓÐЧÊý×ÖλÊý²»¹Ì¶¨£¬Ã¿¸öÊý¾ÝÕ¼9¸ö×Ö·û£¬°ïæ¿´Ò»ÏÂÄÄÀïÓÐÎÊÌ⣬¸ÃÈçºÎʵÏÖ£¿Ð»Ð»£¡£¡
CODE:
#include
#include
#include
using namespace std;
int main()
{
  void read1();
  read1();
  return 0;
}
//
void read1()
{
  int i;
  double a[18];
  ifstream read("data.dat",ios::in);
  for(i=0;i<18;i++)
     {
     read>>a[i];
     if(i<2)
       {
       ofstream write("dat.dat",ios::app);
       write<        }
     else if(i>=2&&i<10)
       {
       ofstream write("dat.dat",ios::app);
       write<        }
     else if(i==10)
       {
       ofstream write("dat.dat",ios::app);
       write<        }
     else
       {
       ofstream write("dat.dat",ios::app);
       write<        }
     }
}

data.dat¸ñʽÈçÏ£º

  1  2 167.1752   0.0000   0.0000  -0.4421   0.0000   1.0000   6.0000   0.5969  
        17.4194   1.0000   0.0000   1.0000  -0.0099   8.5445   0.0000   0.0000

[ Last edited by nono2009 on 2010-9-25 at 06:47 ]
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stephenliu89

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Email:stephenliu1989@163.com
2Â¥2010-09-22 23:48:32
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magic7004

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ÓàÔó³É(½ð±Ò+1):лл²ÎÓëÓ¦Öú£¡ 2010-09-23 18:39:27
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3Â¥2010-09-23 12:05:39
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xiaowu787

ľ³æ (ÕýʽдÊÖ)

ÒýÓûØÌû:
Originally posted by magic7004 at 2010-09-23 12:05:39:
Â¥Ö÷дµÄÊÇÎı¾»¹ÊǶþ½øÖÆ£¿
Èç¹ûÊǶþ½øÖÆÊý¾Ý£¬ÄÇdata.datµÄÄǶζ«Î÷ÊÇÄÄÀïÀ´µÄ£¿

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ÊÇÎı¾¸ñʽ£¬Êä³öʱ¸ñʽ¿ØÖƲ»×¡Ñ½?
4Â¥2010-09-24 21:20:53
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xiaowu787

ľ³æ (ÕýʽдÊÖ)

ÒýÓûØÌû:
Originally posted by stephenliu89 at 2010-09-22 23:48:32:
°Ñµ±³É×Ö·û´®À´¶ÁÄØ£¿
¶Áµ½' '¾ÍÅжÏΪһ¸öÊý×ֵĽáÊø

Êý¾ÝºÜ¶à£¬ÄÇô¶à×Ö·û´®Êä³öʱ¸Ð¾õ²»ºÃ´¦Àíѽ£¡
5Â¥2010-09-24 21:22:12
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stephenliu89

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ÒýÓûØÌû:
Originally posted by xiaowu787 at 2010-09-24 21:22:12:



Êý¾ÝºÜ¶à£¬ÄÇô¶à×Ö·û´®Êä³öʱ¸Ð¾õ²»ºÃ´¦Àíѽ£¡

дһ¸öº¯ÊýÂ´¦Àí¶àÉÙÊý¾Ý¶¼ÊÇÒ»ÑùµÄ
Email:stephenliu1989@163.com
6Â¥2010-09-24 21:25:29
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xiaowu787

ľ³æ (ÕýʽдÊÖ)

ÒýÓûØÌû:
Originally posted by stephenliu89 at 2010-09-24 21:25:29:

дһ¸öº¯ÊýÂ´¦Àí¶àÉÙÊý¾Ý¶¼ÊÇÒ»ÑùµÄ

¾ÍÊÇСÊýµã±£ÁôËÄ룬ÓÐЧÊý×ÖλÊý²»¹Ì¶¨£¬Ã¿¸öÊý¾ÝÕ¼9¸ö×Ö·û£¬C++ÔõôʵÏÖ£¬ÔÚCÀïÓÐ%9.4f¿ÉÒÔʵÏÖ£¿C++ÓÃsetÔõôÉèÖò»³É¹¦£¿ÇëÖ¸µã£¿
7Â¥2010-09-24 22:41:20
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bluewhale

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Сľ³æ(½ð±Ò+0.5):¸ø¸öºì°ü£¬Ð»Ð»»ØÌû½»Á÷
C++ primeÀïºÃÏñÓнéÉÜ¡£

[ Last edited by bluewhale on 2010-9-24 at 23:11 ]
8Â¥2010-09-24 23:07:22
ÒÑÔÄ   »Ø¸´´ËÂ¥   ¹Ø×¢TA ¸øTA·¢ÏûÏ¢ ËÍTAºì»¨ TAµÄ»ØÌû

stephenliu89

Òø³æ (СÓÐÃûÆø)

¡ï ¡ï ¡ï
Сľ³æ(½ð±Ò+0.5):¸ø¸öºì°ü£¬Ð»Ð»»ØÌû½»Á÷
ÓàÔó³É(½ð±Ò+2):лл²ÎÓëÓ¦Öú£¡ 2010-09-25 23:11:31
ÒýÓûØÌû:
Originally posted by xiaowu787 at 2010-09-24 22:41:20:


¾ÍÊÇСÊýµã±£ÁôËÄ룬ÓÐЧÊý×ÖλÊý²»¹Ì¶¨£¬Ã¿¸öÊý¾ÝÕ¼9¸ö×Ö·û£¬C++ÔõôʵÏÖ£¬ÔÚCÀïÓÐ%9.4f¿ÉÒÔʵÏÖ£¿C++ÓÃsetÔõôÉèÖò»³É¹¦£¿ÇëÖ¸µã£¿

#include
#include
#include
using namespace std;
int main()
{
float i = 123.253;
cout.setf(ios_base::fixed, ios_base::floatfield);
cout.precision(2); //ÉèÖÃÒª±£ÁôµÄСÊýλÊý
cout << i;
return 0;
}
Email:stephenliu1989@163.com
9Â¥2010-09-25 00:45:21
ÒÑÔÄ   »Ø¸´´ËÂ¥   ¹Ø×¢TA ¸øTA·¢ÏûÏ¢ ËÍTAºì»¨ TAµÄ»ØÌû

burkut65

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nono2009:×¨ÒµÇøÇëÎð¹àË®¡£Ð»Ð»¡£ 2010-09-25 06:49:34
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