#include <iostream>


using namespace std;
int main()
{
    int n, i, j;
    cin>>n;
    int a[n], s=0, s1=0, s2=0, s3=0, s4=0, s5=0, s6=0, s7=0, s8=0, s9=0, s10=0;
    for(i=1; i<=n; i++)
    cin>>a[i];
    for(i=1; i<=n; i++)
    {

             if(a[i]==1) s1++;
             if(a[i]==2) s2++;
             if(a[i]==3) s3++;
             if(a[i]==4) s4++;
             if(a[i]==5) s5++;
             if(a[i]==6) s6++;
             if(a[i]==7) s7++;
             if(a[i]==8) s8++;
             if(a[i]==9) s9++;
             if(a[i]==10) s10++;
             //if(a[i]==0) s++;


    }
    if(s1==0) cout<<"";
    else cout<<s1<<" "<<"1 ";
    if(s2==0) cout<<"";
    else cout<<s2<<" "<<"2 ";
    if(s3==0) cout<<"";
    else cout<<s3<<" "<<"3 ";
    if(s4==0) cout<<"";
    else cout<<s4<<" "<<"4 ";
    if(s5==0) cout<<"";
    else cout<<s5<<" "<<"5 ";
    if(s6==0) cout<<"";
    else cout<<s6<<" "<<"6 ";
    if(s7==0) cout<<"";
    else cout<<s7<<" "<<"7 ";
    if(s8==0) cout<<"";
    else cout<<s8<<" "<<"8 ";
    if(s9==0) cout<<"";
    else cout<<s9<<" "<<"9 ";
    if(s10==0) cout<<"";
    else cout<<s10<<" "<<"10 ";
    cout<<endl;
"<<s8<<" 8 "<<s9<<" 9 "<<s10<<" 10 ";





}

твоя прога не пройдет тест 1 1 2 2 2 1 1 1