// हर हर महादेव
using namespace std;
#include <bits/stdc++.h>
#define int long long int
void testcase(){
int n;
cin >> n;
vector<int> a(n);
for(int i = 0; i < n; i++){
cin >> a[i];
}
auto p = a;
for(int i = 1; i < n; i++){
p[i] += p[i-1];
}
vector<int> dp(n);
vector<int> yet = {0};
vector<int> val = {-1};
for(int i = 0; i < n; i++){
int in = upper_bound(yet.begin(),yet.end(),p[i]) - yet.begin() - 1;
dp[i] = p[i] - (val[in] == -1 ? 0 : p[val[in]]);
int x = dp[i] + p[i];
while(yet.back() >= x){
yet.pop_back();
val.pop_back();
}
yet.push_back(x);
val.push_back(i);
}
for(int i = 0; i < n; i++){
cout << dp[i] << " \n"[i == n-1];
}
}
int32_t main(){
ios::sync_with_stdio(false);
cin.tie(0);
int tt = 1;
cin >> tt;
while(tt--){
testcase();
}
return (0-0);
}
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