hdu5373

直接模擬

#include <algorithm>
#include <iostream>
#include <sstream>
#include <cstdlib>
#include <cstring>
#include <iomanip>
#include <cstdio>
#include <string>
#include <bitset>
#include <vector>
#include <queue>
#include <stack>
#include <cmath>
#include <list>
#include <map>
#include <set>
#define sss(a,b,c) scanf("%d%d%d",&a,&b,&c)
#define mem1(a) memset(a,-1,sizeof(a))
#define mem(a) memset(a,0,sizeof(a))
#define ss(a,b) scanf("%d%d",&a,&b)
#define s(a) scanf("%d",&a)
#define p(a) printf("%d\n", a)
#define INF 0x3f3f3f3f
#define w(a) while(a)
#define PI acos(-1.0)
#define LL long long
#define eps 10E-9
#define N 1000000+20
#define mod 1000000007
#define _min(x, y) ((x)<(y)?(x):(y))
using namespace std;
void mys(int& res)
{
    int flag=0;
    char ch;
    while(!(((ch=getchar())>='0'&&ch<='9')||ch=='-'))
        if(ch==EOF)  res=INF;
    if(ch=='-')  flag=1;
    else if(ch>='0'&&ch<='9')  res=ch-'0';
    while((ch=getchar())>='0'&&ch<='9')  res=res*10+ch-'0';
    res=flag?-res:res;
}
void myp(int a)
{
    if(a>9)
        myp(a/10);
    putchar(a%10+'0');
}
/*************************THE END OF TEMPLATE************************/
int sum, cnt;
int  nod(int n){
    int ans=0;
    w(n){
        ++ans;
        n/=10;
    }
    return ans;
}
int  ads(int n){
    int ans=0;
    w(n){
        ans += (n%10);
        n/=10;
    }
    return ans;
}
int mpow(int x){
    int ans = 1;
    w(x--){
        ans*=10;
    }
    return ans;
}
int main(){
    int n, t, ws;
    int time=1;
    w(~ss(n, t) ){
        if(t==-1 && n==-1) break;
        sum = n;
        cnt = ads(n);
        w(t--){
            sum = sum % 11;
            sum = (mpow(nod(cnt))*sum + cnt);
            cnt = cnt + ads(cnt);
        }
        sum%=11;
        printf("Case #%d: ",time++);
        if(sum) puts("No");
        else puts("Yes");
    }
    return 0;
}