锘??xml version="1.0" encoding="utf-8" standalone="yes"?>久久精品99久久香蕉国产色戒,精品国产乱码久久久久软件,99久久精品国产麻豆http://www.shnenglu.com/7words/category/9435.htmlC++,ACM,College lifezh-cnSun, 01 Feb 2009 21:36:44 GMTSun, 01 Feb 2009 21:36:44 GMT60ural 1022 鎷撴墤鎺掑簭http://www.shnenglu.com/7words/archive/2009/01/31/72756.html7words7wordsSat, 31 Jan 2009 14:52:00 GMThttp://www.shnenglu.com/7words/archive/2009/01/31/72756.htmlhttp://www.shnenglu.com/7words/comments/72756.htmlhttp://www.shnenglu.com/7words/archive/2009/01/31/72756.html#Feedback0http://www.shnenglu.com/7words/comments/commentRss/72756.htmlhttp://www.shnenglu.com/7words/services/trackbacks/72756.html闃呰鍏ㄦ枃

7words 2009-01-31 22:52 鍙戣〃璇勮
]]>
ural 1068http://www.shnenglu.com/7words/archive/2009/01/30/72690.html7words7wordsThu, 29 Jan 2009 16:28:00 GMThttp://www.shnenglu.com/7words/archive/2009/01/30/72690.htmlhttp://www.shnenglu.com/7words/comments/72690.htmlhttp://www.shnenglu.com/7words/archive/2009/01/30/72690.html#Feedback0http://www.shnenglu.com/7words/comments/commentRss/72690.htmlhttp://www.shnenglu.com/7words/services/trackbacks/72690.html鎳掑緱鍔ㄨ剳瀛愪簡(jiǎn)
//edited by Eddy
//from BUAA SoftWare College
//any question:oeddyo@gmail.com

#include 
<iostream>
using namespace std;

int main()
{
    
int N;
    cin
>>N;
    
long long sum=0;

    
if(N>0)
    
{
        
for(int i=1;i<=N;i++)
        
{
            sum
+=i;
        }

    }

    
if(N==0)
    
{
        sum
=1;
    }

    
if(N<0)
    
{
        
for(int i=N;i<=1;i++)
        
{
            sum
+=i;
        }

    }


    cout
<<sum;


return 0;
}



7words 2009-01-30 00:28 鍙戣〃璇勮
]]>
ural 1009http://www.shnenglu.com/7words/archive/2009/01/30/72689.html7words7wordsThu, 29 Jan 2009 16:27:00 GMThttp://www.shnenglu.com/7words/archive/2009/01/30/72689.htmlhttp://www.shnenglu.com/7words/comments/72689.htmlhttp://www.shnenglu.com/7words/archive/2009/01/30/72689.html#Feedback0http://www.shnenglu.com/7words/comments/commentRss/72689.htmlhttp://www.shnenglu.com/7words/services/trackbacks/72689.html
姹椾簡(jiǎn)錛岀湅鏉ョ‘瀹炶鍏嬫湇鎶婃瘡閬撻褰撴ā鎷熼鍋氱殑緙虹偣錛屽鎯蟲(chóng)兂...

//edited by Eddy
//from BUAA SoftWare College
//any question:oeddyo@gmail.com

#include 
<iostream>
#include 
<cmath>
using namespace std;


int main()
{
    
int N,K;
    cin
>>N>>K;
    
int f[30];
    f[
0]=K-1;
    f[
1]=K*(K-1);
    
int i;
    
for(i=2;i<N;i++)
    
{
        f[i]
=(K-1)*(f[i-1]+f[i-2]);
    }

    cout
<<f[N-1];

return 0;
}


綺懼崕灝卞湪f[i]=(K-1)*(f[i-1]+f[i-2])榪欒
f[0]=K-1鏄嚜鐒?dòng)灱屽洜湄?fù)涓浣嶇殑鏃跺?鏄笉綆楃殑銆?br>f[1]=K*(K-1)錛屽彲浠ヨ繖鏍鋒兂錛屽綋f[1]鍙朘榪涘埗涓煇涓櫎0浠ュ鐨勫肩殑鏃跺欙紝鍚庨潰鐨勯偅浣嶆暟瀛楄嚜宸變笉鏂彉鍖?榪欎釜鏃跺欏悗闈㈢殑閭d綅鏁版槸鍙互鍙?鐨?br>浠庣3浣嶅紑濮嬶紝絎琋浣嶇殑鏃跺欏氨鐩稿綋浜庣N浣嶉殢渚垮彉錛堥櫎0浠ュ錛夛紝鍏堣冭檻鍚嶯-1浣嶏紙絎琋-1浣嶄笉鑳戒負(fù)0錛夈傜劧鍚庤繕鏈塏-1浣嶄負(fù)0錛屽悗N-2浣嶉殢渚垮彉銆傚姞璧鋒潵涔樹(shù)互K-1錛屽嵆絎琋浣嶉殢渚垮彉鐨勫嵆鍙?

7words 2009-01-30 00:27 鍙戣〃璇勮
]]>
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