#include
#include
#include
using namespace std;
bool compare(int a,int b){
return (to_string(b))<(to_string(a));
}
int main() {
int t;
cin>>t;
int n;
for(int k=0;k<t;k++){
cin>>n;
int a[n];
for(int i=0;i<n;i++)
cin>>a[i];
sort(a,a+n,compare);
for(int i=0;i<n;i++)
cout<<a[i];
cout<<endl;
}
return 0;
}
Take input in the form of strings and then sort accordingly.
Consider a case:
1
2
98 9
Expected O/p:
998
Your O/p:
989
The custom compare function must be something like this:
bool mycompare(string a,string b)
{
string ab=a+b;
string ba=b+a;
return ab>ba;
}
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