#include <bits/stdc++.h>
using namespace std;
#define int long long int
#define double long double
#define print(a) for(auto x : a) cout << x << " "; cout << endl
inline int power(int a, int b) {
int x = 1;
while (b) {
if (b & 1) x *= a;
a *= a;
b >>= 1;
}
return x;
}
const int M = 1000000007;
const int N = 3e5+9;
const int INF = 2e9+1;
const int LINF = 2000000000000000001;
//_ ***************************** START Below *******************************
vector<int> a;
void consistency(int n, int m, vector<int>& q){
vector<int> prefix(n, 0);
prefix[0] = a[0];
for(int i=1; i<n; i++){
prefix[i] = prefix[i-1] + a[i];
}
for(int i=0; i<m; i++){
auto it = lower_bound(begin(prefix), end(prefix), q[i]) - begin(prefix);
cout << it+1 << endl;
}
}
void solve() {
int n;
cin>>n;
a.resize(n);
for(int i=0; i<n; i++) cin >> a[i];
int m;
cin >> m;
vector<int> q(m);
for(int i=0; i<m; i++) cin >> q[i];
consistency(n, m, q) ;
cout << endl;
}
int32_t main() {
ios_base::sync_with_stdio(0); cin.tie(0); cout.tie(0);
int t = 1;
cin >> t;
while (t--) {
solve();
}
return 0;
}
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