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A.cpp
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A.cpp
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// Problem: A. Avoiding Zero
// Contest: Codeforces - Codeforces Global Round 11
// URL: https://codeforces.com/contest/1427/problem/A
// Memory Limit: 256 MB
// Time Limit: 1000 ms
// Powered by CP Editor (https://github.com/cpeditor/cpeditor)
#include <bits/stdc++.h>
using namespace std;
const int MAX = 57;
const int MOD = 1000000007;
void solve() {
int n;
cin >> n;
int a[MAX], sum = 0;
for (int i = 0; i < n; i++) {
cin >> a[i];
sum += a[i];
}
if (sum == 0) {cout << "NO" << endl;}
else if (sum < 0) {
cout << "YES" << endl;
for (int i = 0; i < n; i++) {
if (a[i] < 0) {cout << a[i] << " ";}
}
for (int i = 0; i < n; i++) {
if (a[i] == 0) {cout << a[i] << " ";}
}
for (int i = 0; i < n; i++) {
if (a[i] > 0) {cout << a[i] << " ";}
}
cout << endl;
}
else {
cout << "YES" << endl;
for (int i = 0; i < n; i++) {
if (a[i] > 0) {cout << a[i] << " ";}
}
for (int i = 0; i < n; i++) {
if (a[i] == 0) {cout << a[i] << " ";}
}
for (int i = 0; i < n; i++) {
if (a[i] < 0) {cout << a[i] << " ";}
}
cout << endl;
}
}
int main() {
ios::sync_with_stdio(false);
cin.tie(nullptr);
//freopen("in.in", "r", stdin); freopen("out.out", "w", stdout);
int tt; cin >> tt; for (int i = 1; i <= tt; i++) {solve();}
//solve();
}