#include using namespace std; string canConstruct(int a[ ],int n) { int val,b[n],j=0; for(int i=0;i> t; for(int a0 = 0; a0 < t; a0++){ int n; cin >> n; int a[n]; for(int i=0;i>a[i]; } string result = canConstruct(a,n); cout << result << endl; } return 0; }