func_code_string: #include <bits/stdc++.h>   using namespace std;   const int NMAX = 1e5;   int v[NMAX + 5], ans[NMAX + 5];   inline void GenerateAnswer(int n) {     int i, state = 1, st = 1, dr = n, dim = 0;     sort(v + 1, v + n + 1);     while (st <= dr) {       if (st != dr) {         if (state == 1)           ans[++dim] = v[st], ans[++dim] = v[dr];         else           ans[++dim] = v[dr], ans[++dim] = v[st];       } else         ans[++dim] = v[st];       ++st;       --dr;     }   }   int main() {     int t, n, i, j;     scanf( %d , &t);     for (j = 1; j <= t; ++j) {       scanf( %d , &n);       for (i = 1; i <= n; ++i) scanf( %d , &v[i]);       GenerateAnswer(n);       for (i = n; i >= 1; --i) printf( %d  , ans[i]);       printf(  n );     }     return 0;   }   