1 #include<iostream> 2 #include<string.h> 3 #include<cstdio> 4 using namespace std; 5 int main() 6 { 7     char num[100]; 8     for(int i=0; i<100; i++)  //初始化数组 9     {10         num[i] = ‘a‘;11     }12     int count = 0;13     int oddCount = 0;14     int evenCount = 0;15     int totalNum = 0;16     printf("请输入数字:");17     char input;18     while((input =getchar())!=‘ ‘&&(input!=‘\n‘))19     {20             num[count] = input;21             count++;22 23     }24     string LinkStr = "";//最后拼接成的字符串25     int step = 0;  //总共步数26     while(LinkStr!="123")27     {28         for(int j=0; j<100 && num[j]!=‘a‘; j++)29         {30             int k = num[j]-‘0‘;  //将char转化成int31             if(k%2)32             {33                 oddCount++;34             }35             else36             {37                 evenCount++;38             }39         }40         totalNum = oddCount+evenCount;41 42         /*下面是将totalcount，oddCount和evenCount组合成 “偶-奇-总”的形式*/43 44         char t1[100],t2[100],t3[100];45         string temp1,temp2,temp3;46         sprintf(t1,"%d",evenCount);47         sprintf(t2,"%d",oddCount);48         sprintf(t3,"%d",totalNum);49         temp1 = t1;50         temp2 = t2;51         temp3 = t3;52         string  temp = temp1+temp2;53         LinkStr = temp+temp3;54         step++;55         cout<<"Step"<<step<<":";56         cout<<"now the number is:"<<LinkStr<<endl;57 58         /*重置三个计数变量*/59         totalNum = 0;60         oddCount = 0;61         evenCount = 0;62 63         /*更新num数组*/64         for(int i=0; i<20; i++)65         {66             num[i] = ‘a‘;67         }68         int LinkStrSize = LinkStr.length();69         for(int i = 0; i<LinkStrSize; i++)70         {71             num[i] = LinkStr[i];72         }73     }74     printf("输出结果能为123");75 }

 1 #include <iostream> 2 using namespace std; 3  4 int media(int num) 5 { 6     int m = 1; 7     while(num) 8     { 9         num /= 10;10         m *= 10;11     }12 13     return m;14 }15 16 int main()17 {18     int numb, odd = 0, even = 0, lastNumb = 0;19     cout<<"please input the number:";20     cin >> numb;21     while(numb != lastNumb || numb != 123)22     {23         lastNumb = numb;24         odd = 0;25         even = 0;26         while(numb)27         {28             if((numb % 10) %2)29                 odd++;30             else31                 even++;32             numb /= 10;33         }34         numb = odd + even;35         numb = media(numb) * odd + numb;36         numb = media(numb) * even + numb;37         cout << "now number is:" << numb << endl;38     }39     cout<< numb;40     return 0;41 }