func_code_string: #include <bits/stdc++.h>   using namespace std;   template <typename T>   inline T read(T& x) {     x = 0;     int f = 0;     char ch = getchar();     while (ch <  0  || ch >  9 ) f |= (ch ==  - ), ch = getchar();     while (ch >=  0  && ch <=  9 ) x = x * 10 + ch -  0 , ch = getchar();     return x = f ? -x : x;   }   const int N = 3e5 + 10;   int n, i, j, len, ans = -1, a[N];   int main() {     read(n);     for (i = 1; i <= n; ++i) read(a[i]);     int mn = -1;     for (i = 1, j = n, len = n - 1; i <= j; ++i, --j, --len) {       if (mn == -1)         mn = min(a[i], a[j]);       else         mn = min(mn, min(a[i], a[j]));       int k = mn / len;       if (k < 0) continue;       if (ans == -1)         ans = k;       else         ans = min(ans, k);     }     printf( %d n , ans);     return 0;   }   