func_code_string: #include <bits/stdc++.h>   using namespace std;   int num[100010];   int num1[100010];   int a[100010];   int main() {     int n;     cin >> n;     int flag = 0;     for (int i = 1; i <= n; i++) {       cin >> num[i];       num1[i] = num[i];     }     sort(num + 1, num + n + 1);     sort(num1 + 1, num1 + n + 1);     int tim = 0;     for (int i = 1; i < n; i++) {       int t = num[i + 1] - num[i];       if (t == 0) tim++;     }     if (tim >= 2) flag = 1;     for (int i = 1; i < n; i++) {       if (num1[i] == num1[i + 1]) {         num1[i]--;         break;       }     }     sort(num1 + 1, num1 + n + 1);     for (int i = 1; i < n; i++) {       if (num1[i] == num1[i + 1] || num1[i] == -1) {         flag = 1;         break;       }     }     if (flag == 1)       cout <<  cslnb  << endl;     else {       long long sum = 0;       for (int i = 1; i <= n; i++) sum += num[i];       long long s = n * (n - 1) / 2;       if ((sum - s) % 2 == 0)         cout <<  cslnb  << endl;       else         cout <<  sjfnb  << endl;     }     return 0;   }   