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- /*************************************************************************
- > File Name: A.cpp
- > Author: VOID_133
- > ###################
- > Mail: ###################
- > Created Time: 2015年04月21日 星期二 12时30分54秒
- ************************************************************************/
- #include<iostream>
- #include<algorithm>
- #include<cstdio>
- #include<vector>
- #include<cstring>
- #include<map>
- #include<queue>
- #include<stack>
- #include<string>
- #include<cstdlib>
- #include<ctime>
- #include<set>
- using namespace std;
- const int maxn=205;
- /*MACRO*/
- #define FORi(l,r) for(int i=(l);i<(r);i++)
- #define FORj(l,r) for(int j=(l);j<(r);j++)
- #define FORk(l,r) for(int k=(l);k<(r);k++)
- #define MEMSET0(i) memset((i),0,sizeof((i)))
- #define MEMSET1(i) memset((i),-1,sizeof((i)))
- char numa[maxn];
- char res[maxn];
- char tab[]="0123456789abcdefghijklmnopqrstuvwxyz";
- int n,B;
- void print(char* p);
- void add(char* na,char*resp)
- {
- int len=strlen(na);
- FORi(0,len)
- {
- na[maxn-1-(len-i-1)]=na[i];
- na[i]=0;
- }
- len = strlen(resp);
- FORi(0,len)
- {
- resp[maxn-len+i]=resp[i];
- resp[i]=0;
- }
- for(int i=maxn-1;na[i]!=0 || resp[i]!=0;i--)
- {
- int numa,numb;
- numa=na[i]>='a'?na[i]-'a'+10:na[i]-'0';
- if(resp[i] == 0) numb=0;
- else
- numb=resp[i]>='a'?resp[i]-'a'+10:resp[i]-'0';
- resp[i]=tab[(numa+numb)%B];
- }
- //Reverse
- int cnt=0;
- FORi(0,maxn)
- {
- if(resp[i])
- {
- len=maxn-i;
- break;
- }
- }
- // printf("len = %d\n",len);
- while(resp[maxn-cnt-1])
- {
- resp[len-cnt-1]=resp[maxn-cnt-1];
- resp[maxn-cnt-1]=0;
- cnt++;
- }
- //printf("%s\n",resp);
- // print(resp);
- return ;
- }
- void print(char* p)
- {
- int len=strlen(p);
- bool inp=false;
- FORi(0,len)
- {
- if(p[i]!='0' && p[i]!=0)
- {
- inp=true;
- }
- if(inp) printf("%c",p[i]);
- }
- printf("\n");
- return ;
- }
- int main(void)
- {
- while(scanf("%d%d",&n,&B)!=EOF)
- {
- MEMSET0(res);
- MEMSET0(numa);
- while(n--)
- {
- scanf("%s",numa);
- add(numa,res);
- }
- print(res);
- }
- return 0;
- }
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