41 lines
726 B
C++
41 lines
726 B
C++
#include <iostream>
|
|
|
|
using namespace std;
|
|
|
|
string alph = "abcdefghijklmnopqrstuvwxyz";
|
|
|
|
int main() {
|
|
int t;
|
|
cin >> t;
|
|
|
|
int used_chars[26];
|
|
|
|
for (int k = 0; k < t; k++) {
|
|
int n;
|
|
cin >> n;
|
|
|
|
int* s = new int[n];
|
|
|
|
for (int i = 0; i < n; i++) {
|
|
cin >> s[i];
|
|
}
|
|
|
|
for (int i = 0; i < 26; i++) {
|
|
used_chars[i] = 0;
|
|
}
|
|
|
|
for (int i = 0; i < n; i++) {
|
|
for (int j = 0; j < 26; j++) {
|
|
if (used_chars[j] == s[i]) {
|
|
cout << alph[j];
|
|
used_chars[j]++;
|
|
break;
|
|
}
|
|
}
|
|
}
|
|
|
|
cout << endl;
|
|
|
|
delete[] s;
|
|
}
|
|
}
|