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A.cpp
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A.cpp
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#include<stdio.h>
int main()
{
int t,n,a,b,c,d;
scanf("%d",&t);
while(t--)
{
scanf("%d",&n);
a=n/1000;
b=(n%1000)/100;
c=((n%1000)%100)/10;
d=((n%1000)%100)%10;
if(a>0)
{
if(b>0 && c>0 && d>0)
{
printf("4\n");
printf("%d %d %d %d\n",a*1000,b*100,c*10,d);
}
else if(b>0 && c>0)
{
printf("3\n");
printf("%d %d %d\n",a*1000,b*100,c*10);
}
else if(b>0 && d>0)
{
printf("3\n");
printf("%d %d %d\n",a*1000,b*100,d);
}
else if(c>0 && d>0)
{
printf("3\n");
printf("%d %d %d\n",a*1000,c*10,d);
}
else if(b>0)
{
printf("2\n");
printf("%d %d\n",a*1000,b*100);
}
else if(c>0)
{
printf("2\n");
printf("%d %d\n",a*1000,c*10);
}
else if(d>0)
{
printf("2\n");
printf("%d %d\n",a*1000,d);
}
else
{
printf("1\n");
printf("%d\n",a*1000);
}
}
else if(b>0)
{
if(c>0 && d>0)
{
printf("3\n");
printf("%d %d %d\n",b*100,c*10,d);
}
else if(c>0)
{
printf("2\n");
printf("%d %d\n",b*100,c*10);
}
else if(d>0)
{
printf("2\n");
printf("%d %d\n",b*100,d);
}
else
{
printf("1\n");
printf("%d\n",b*100);
}
}
else if(c>0)
{
if(d>0)
{
printf("2\n");
printf("%d %d\n",c*10,d);
}
else
{
printf("1\n");
printf("%d\n",c*10);
}
}
else
{
printf("1\n");
printf("%d\n",d);
}
}
return 0;
}