func_code_string: #include <bits/stdc++.h>   using namespace std;   long long N, M, K, R, l, r, A, B, X, Y, Z, C, D, Q, a, b, c, d, i, j, k, first,       mx, ans, cnt, T, P;   void solve() {     cin >> N >> K;     long long A[N];     long long lar = INT_MIN, sma = INT_MAX;     for (long long int i = 0; i < N; i++) {       cin >> A[i];       lar = max(lar, A[i]);       sma = min(sma, A[i]);     }     for (long long int i = 0; i < N; i++) {       A[i] = lar - A[i];     }     if (K % 2 == 0) {       for (long long int i = 0; i < N; i++) {         A[i] = lar - sma - A[i];       }     }     for (long long int i = 0; i < N; i++) {       cout << A[i] <<    ;     }     cout <<   n ;   }   int main() {     ios::sync_with_stdio(false);     cin.tie(0);     cout.tie(0);     long long t = 1;     cin >> t;     while (t--) {       solve();     }     return 0;   }   