#include <bits/stdc++.h>
using namespace std;
unordered_map<long long, long long> m;
int main() {
  ios_base::sync_with_stdio(false);
  long long n, x, i, a[100005], mini = 10000000000001, mi = 1000000000010101;
  cin >> n;
  for (i = 1; i <= n; i++) {
    cin >> a[i];
    mi = min(mi, a[i]);
  }
  for (i = 1; i <= n; i++) {
    if (!m[a[i]])
      m[a[i]] = i;
    else if (a[i] == mi) {
      mini = min(i - m[a[i]], mini);
      m[a[i]] = i;
    }
  }
  cout << mini;
}
