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为毛过了数据 WA了,求解释 附代码——直接模拟的

Posted by 246 at 2013-05-07 20:12:48 on Problem 3087
#include <iostream>
#include <cstring>
#include <stdio.h>
#define maxsize 100+5
using namespace std;
int N,C;
int ans[1000+5];
char str1[maxsize],str2[maxsize],result[2*maxsize];
char stra[maxsize],strb[maxsize],resulta[2*maxsize];
void renew(void)
{
    int i;
    for(i=0;i<C;i++)
       stra[i]=resulta[i];
       stra[i]='\0';
    for(;i<2*C;i++)
        strb[i-C]=resulta[i];
        strb[i-C]='\0';
}
int Shuffle(char char1[100],char char2[100])
{
    int i;
    for(i=0;i<C;i++)
    {
        resulta[2*i]=char2[i];
        resulta[2*i+1]=char1[i];
    }
    resulta[2*i]='\0';
    int a;
    a=strcmp(resulta,result);
    return a;
}
int main()
{
    int re,num,k=1,n;
    cin>>N;
    n=N;
    while(N--)
    {
        num=1;
        cin>>C;
        getchar();
        cin.getline(str1,100);
        cin.getline(str2,100);
        cin.getline(result,100);
        re=Shuffle(str1,str2);
         //cout<<resulta<<endl;
        while(re!=0)
            {
               // cout<<re<<endl;
                num++;
                renew();
                //cout<<stra<<endl;
               // cout<<strb<<endl;
                if(strcmp(stra,str1)==0&&strcmp(strb,str2)==0)
                {
                    num=-1;
                    break;
                }
                else
                {
                    re=Shuffle(stra,strb);
                    // cout<<resulta<<endl;
                    //  cout<<result<<endl;
                }
            }
        //cout<<k<<" "<<num<<endl;
        ans[k]=num;
        k++;
    }
    for(k=1;k<=n;k++)
        cout<<k<<" "<<ans[k]<<endl;
    return 0;
}

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