#include <bits/stdc++.h>
using namespace std;
int main() {
int N; cin >> N;
int stands[N];
for (int i=0; i<N; i++) cin >> stands[i];
for (int i = 0; i < N; i++) {
cout << "*" << endl;
int dist = 0, currIdx = i;
vector<int> reStands;
for (int i=0; i<N; i++) reStands.push_back(stands[i]);
while (reStands.size() > 0) {
cout << reStands.size() << " " << currIdx << endl;
if (currIdx == 0 || currIdx == reStands.size()-1 || reStands.size() == 2) {
dist += reStands[reStands.size()-1] - reStands[0];
break;
}
else {
if (reStands[i]-reStands[i-1] < reStands[i+1] - reStands[i]) {
cout << "greater: " << reStands[i] << "-" << reStands[i-1] << endl;
currIdx = i-1;
dist += reStands[i]-reStands[i-1];
reStands.erase(reStands.begin()+i);
}
else {
cout << "less: " << reStands[i+1] << "-" << reStands[i] << endl;
currIdx = i;
dist += reStands[i+1] - reStands[i];
reStands.erase(reStands.begin()+i);
}
}
cout << dist << endl;
}
cout << dist << endl;
}
}
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