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1490A.cpp
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44 lines (35 loc) · 806 Bytes
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#include <bits/stdc++.h>
#define endl "\n"
#define ll long long
using namespace std;
void init_code() {
ios::sync_with_stdio(0);
cin.tie(0);
#ifndef ONLINE_JUDGE
freopen("input.txt", "r", stdin);
freopen("output.txt", "w", stdout);
#endif
}
void solve() {
int n, ans = 0;
cin >> n;
vector<int> a(n);
for (int i = 0; i < n; i++) cin >> a[i];
for (int i = 1; i < a.size(); i++) {
while (max(a[i-1], a[i])/(double)min(a[i-1],a[i]) > 2) {
int maxIdx = a[i-1] > a[i] ? i-1 : i;
int minIdx = a[i-1] > a[i] ? i : i-1;
int ins = maxIdx > minIdx ? maxIdx : maxIdx + 1;
a.insert(a.begin() + ins, (int)ceil(a[maxIdx]/2.0));
++ans;
}
}
cout << ans << endl;
}
int main() {
init_code();
int t;
cin >> t;
while (t--) solve();
return 0;
}