1023 Have Fun with Numbers (20 分)

int128…

#include
using namespace std;
int a[10],f=1;
void scan(__int128 &x)//输入
{
    x = 0;
    int f = 1;
    char ch;
    if((ch = getchar()) == '-') f = -f;
    else x = x*10 + ch-'0';
    while((ch = getchar()) >= '0' && ch <= '9')
        x = x*10 + ch-'0';
    x *= f;
}
void _print(__int128 x)
{
    if(x > 9) _print(x/10);
    putchar(x%10 + '0');
}
void print(__int128 x)//输出
{
    if(x < 0)
    {
        x = -x;
        putchar('-');
    }
    _print(x);
}
int main(){
	__int128 x,y,z;
	scan(x);
	z=x*2,y=x*2; 
	while(x){
		a[x%10]++;
		x/=10;
	}
	while(y){
		a[y%10]--;
		if(a[y%10]<0)
			f=0;
		y/=10;
	}
	if(f)
		cout<<"Yes"<