func_code_string: #include <bits/stdc++.h>   using namespace std;   void print(long long a[], int n) {     cout << endl;     for (int i = 0; i < n; i++) cout << a[i] <<    ;     cout << endl;   }   const int N = 1111;   int db[2][N];   int main() {     int n, k, x;     scanf( %d%d%d , &n, &k, &x);     int minn = 1 << 30;     int maxx = -minn;     for (int i = 0; i < n; i++) {       int r;       scanf( %d , &r);       db[0][r]++;     }     int b = 0;     int p = 1;     for (int i = 0; i < k; i++) {       for (int j = 0; j < N; j++) db[p][j] = 0;       int c = 0;       for (int j = 0; j < N; j++) {         if (db[b][j]) {           int t = db[b][j];           if (c % 2 == 0) {             db[p][j] += t / 2;             db[p][j ^ x] += (t + 1) / 2;           } else {             db[p][j] += (t + 1) / 2;             db[p][j ^ x] += t / 2;           }           c += t;         }       }       swap(b, p);     }     for (int i = 0; i < N; i++) {       if (db[b][i]) {         minn = min(minn, i);         maxx = max(maxx, i);       }     }     cout << maxx <<     << minn << endl;     return 0;   }   