题目:https://pintia.cn/problem-sets/994805260223102976/problems/994805267416334336
#include<stdio.h>
int gcd(int s[],int i)
{ int res1=0;
while(s[i]>=10)
{
int j=0;
j=s[i];
res1+=j%10;
j=(j-j%10)/10;
s[i]=j;
}
res1+=s[i];
return res1;
}
int main()
{ int n;
scanf("%d",&n);
int s[n],res[100],count=0;
for(int i=0;i<n;i++)
{
scanf("%d",&s[i]);
}
for(int j=0;j<n;j++)
{
res[count]=gcd(s,j);
count++;
}
int c1=0;
for(int i=0;i<count;i++)
{
for(int j=i+1;j<count;j++)
{
if(res[i]==res[j]&&res[i]!=0)
res[j]=0;
if(res[i]==0)
break;
}
}
for(int i=0;i<count;i++)
{
if(res[i]!=0)
c1++;
}
printf("%d\n",c1);
for(int i=0;i<count;i++)
{
for(int j=0;j<count-i;j++)
{
if(res[j]>res[j+1])
{
int temp=res[j];
res[j]=res[j+1];
res[j+1]=temp;
}
}
}
for(int i=0;i<count;i++)
{
if(res[i]!=0&&i!=count-1)
printf("%d ",res[i]);
if(i==count-1)
printf("%d",res[i]);
}
return 0;
}