func_code_string: #include <bits/stdc++.h>   using namespace std;   int a[100005], s[100005], f[100005];   int main() {     int n, ans = 0;     scanf( %d , &n);     for (int i = 1; i <= n; i++) scanf( %d , &a[i]);     s[1] = 0, f[1] = 0;     for (int i = 2; i <= n; i++) {       int step = 0, t = i - 1;       while (a[t] < a[i] && t) {         step = max(step, s[t]);         t = f[t];       }       if (a[t] > a[i]) {         f[i] = t;         s[i] = step + 1;       } else {         f[i] = 0;         s[i] = 0;       }       ans = max(ans, s[i]);     }     printf( %d n , ans);     return 0;   }   