func_code_string: #include <bits/stdc++.h>   using namespace std;   const double pi = 3.141592653589793238463;   int a[100009], p[200009];   int main() {     cin.tie(0);     cin.sync_with_stdio(0);     int h;     cin >> h;     for (int i = (0); i <= (h); i++) cin >> a[i];     bool perfect = true;     for (int i = 0; i < (h); i++)       if (a[i] > 1 && a[i + 1] > 1) perfect = false;     if (perfect) {       cout <<  perfect  <<   n ;       return 0;     }     cout <<  ambiguous  <<   n ;     int idx = 1;     p[0] = 0;     for (int i = (0); i <= (h); i++) {       p[i + 1] = idx;       for (int j = (0); j < (a[i]); j++) cout << p[i] <<    ;       idx += a[i];     }     cout <<   n ;     idx = 1;     p[0] = 0;     for (int i = (0); i <= (h); i++) {       p[i + 1] = idx;       if (i > 0 && a[i] > 1 && a[i - 1] > 1) {         cout << p[i] <<    ;         for (int j = (0); j < (a[i] - 1); j++) cout << p[i] + 1 <<    ;       } else         for (int j = (0); j < (a[i]); j++) cout << p[i] <<    ;       idx += a[i];     }     cout <<   n ;     return 0;   }   