解法：暴力、排序

#include <iostream>
#include <vector>
#include <algorithm>
#include <cmath>
using namespace std;
#define endl '\n'
struct tree {
	int index;
	int peach;
};
bool cmp(tree a,tree b) {
	if (a.peach != b.peach)
		return a.peach > b.peach;
}
int main() {
	ios::sync_with_stdio(false);
	cin.tie(0); cout.tie(0);
	int t, n;
	cin >> t;
	while (t--) {
		cin >> n;
		int step = 0;
		vector<struct tree> vec(n+1);
		for (int i = 0; i <= n; i++) {
			cin >> vec[i].peach;
			vec[i].index = i;
		}
		sort(vec.begin(), vec.end(), cmp);
		for (int i = 1; i <= n; i++) {
			if (vec[i].peach != 0) {
				step += fabs(vec[i].index - vec[i - 1].index);
			}
			else break;
		}
		cout << step << endl;
	}
	return 0;
}