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  • 多校The shortest problem

     The shortest problem
    Time Limit: 3000/1500 MS (Java/Others)    Memory Limit: 65536/65536 K (Java/Others)
    Total Submission(s): 0    Accepted Submission(s): 0
    Problem Description


    In this problem, we should solve an interesting game. At first, we have an integer n, then we begin to make some funny change. We sum up every digit of the n, then insert it to the tail of the number n, then let the new number be the interesting number n. repeat it for t times. When n=123 and t=3 then we can get 123->1236->123612->12361215.

     
    Input

    Multiple input.
    We have two integer n (0<=n<=104 ) , t(0<=t<=105) in each row.
    When n==-1 and t==-1 mean the end of input.

     
    Output

    For each input , if the final number are divisible by 11, output “Yes”, else output ”No”. without quote.

     
    Sample Input

    35 2 35 1 -1 -1

     
    Sample Output

    Case #1: Yes Case #2: No

    题意:123->1236->123612->12361215,6是1 2 3的和,12是1 2 3 6的和,15是1 2 3 6 1 2的和

    #include <iostream>
    #include <cstdio>
    #include <cstring>
    #include <cmath>
    #include <cstdlib>
    #include <algorithm>
    using namespace std;
    #define ll long long
    ll n,t,sum,ans;
    //int num;
    
    int main()
    {
        int mark=0;
        int i;
    
        while(~scanf("%lld%lld",&n,&t))
        {
            sum=0;
            int sums;
            mark++;
            if(n==-1&&t==-1)
                break;
    
    int nn=n;
                while(nn>0)
                {
                    sum=sum+nn%10;
                    nn=nn/10;
                }
    
            for(i=1; i<=t; i++)
            {
    
                int m=sum,t=0,sums=0;
                while(m>0)
                {
                    sums=sums+m%10;
                    m= m/10;
                    t++;
                }
                int ans=n%11;
                n=ans*pow(10,t)+sum;
                sum+=sums;
    
            }
           // cout<<n<<endl;
            //printf("%lld
    ",n);
            if(n%11==0)
                printf("Case #%d: Yes
    ",mark);
            else
                printf("Case #%d: No
    ",mark);
        }
    }
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  • 原文地址:https://www.cnblogs.com/dshn/p/4750547.html
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