func_code_string: #include <bits/stdc++.h>   using namespace std;   const int MAXN = 1e5 + 5;   int a[MAXN];   int main() {     int n, tot = 0, flag = -1, num = 0;     scanf( %d , &n);     for (int i = 0; i < n; ++i) scanf( %d , &a[i]);     sort(a, a + n);     for (int i = 0; i < n - 1; ++i) {       if (i != 0 && a[i] == a[i + 1] && a[i - 1] == a[i] - 1) flag = 1;       if (a[i] == a[i + 1]) num++;       tot += a[i] - i;     }     tot += a[n - 1] - (n - 1);     if (num >= 2) flag = 1;     if (a[0] == 0 && a[1] == 0) flag = 1;     if (flag == -1) {       if (tot % 2 == 0)         flag = 1;       else         flag = 0;     }     if (flag)       printf( cslnb );     else       printf( sjfnb );     return 0;   }   