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longbaoer

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[½»Á÷] ¡¾Òѽâ¾ö¡¿¸ßÊÖ£¬°ïÒ»ÏÂæ ÒÑÓÐ3È˲ÎÓë

¸÷λ¸ßÊÖ£¬ÎÒ±àµÄPASCALÈý½ÇÐΣ¬±àÒëµÄʱºò³ö´íÌáʾΪ£º
error C2601: 'combination' : local function definitions are illegal
error C2601: 'factorial' : local function definitions are illegal
fatal error C1004: unexpected end of file found
ÎÒʵÔÚÕÒ²»³ö´íµÄÔ­Òò£¬Çë¸ßÊÖÖ¸µãÒ»ÏÂѽ£¬Ð»Ð»¡£
/*pascal_triangle.cpp
*the program display the pascal triangle.
*********************************************/
#include
#include
using namespace std;
/*function prototype*/
int combination(int n,int k);
int factorial(int n);
/*main function*/
void main()
{
        cout<<"the program display the pascal triangle.";
        cout<<"How many lines do you want to generate? ";
    int i,j,k,line,outcome;
        cin>>line;
    for(i=0;i                 for(j=0;j                         cout<<" ";       
                }
                for(k=0;k<=i;k++){
                        outcome=combination(i,k);
                        cout<                 }
                cout<<"\n";
}
/*function:combination*/
int combination(int n,int k)
{
        int result;
        result=factorial(n)/(factorial(k)*factorial(n-k));
        return(result);
}
/*function:factorial*/
int factorial(int n)
{
        int product=1,i;
        for(i=1;i<=n;i++){
                product*=i;       
        }
        return(product);
}

[ Last edited by formleaf on 2010-4-25 at 13:50 ]
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longbaoer

гæ (СÓÐÃûÆø)

Now the result can display on the screen.
8Â¥2010-04-25 13:52:20
ÒÑÔÄ   »Ø¸´´ËÂ¥   ¹Ø×¢TA ¸øTA·¢ÏûÏ¢ ËÍTAºì»¨ TAµÄ»ØÌû
²é¿´È«²¿ 8 ¸ö»Ø´ð

yythncj

¡ï ¡ï ¡ï
Сľ³æ(½ð±Ò+0.5):¸ø¸öºì°ü£¬Ð»Ð»»ØÌû½»Á÷
ÎÞÄεÄÔÆ(½ð±Ò+2):ллÈÈÐIJÎÓë½â´ð£¡ 2010-04-22 15:05
int combination(int n,int k);
int factorial(int n);

Ç°ÃæÕâÁ½¾äÈ¥µô¾Í¿ÉÒÔÁË,ºóÃæÓж¨Òå,ÖØ¸´ÁËŶ

[ Last edited by yythncj on 2010-4-22 at 13:28 ]
2Â¥2010-04-22 13:27:22
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haixing2008(½ð±Ò+1):¶àл½»Á÷£¡ 2010-04-22 18:06
local function definitions are illegal


±¾µØº¯Êý¶¨Òå·Ç·¨
3Â¥2010-04-22 13:28:06
ÒÑÔÄ   »Ø¸´´ËÂ¥   ¹Ø×¢TA ¸øTA·¢ÏûÏ¢ ËÍTAºì»¨ TAµÄ»ØÌû

longbaoer

гæ (СÓÐÃûÆø)

isn't that?

int combination(int n,int k);
int factorial(int n);
ÕâÁ½¾ä²»ÄÜÈ¥µÄ£¬ÕâÊÇfunction declearation are essential for c/c++ language.
4Â¥2010-04-23 16:34:44
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