func_code_string: #include <bits/stdc++.h>   using namespace std;   bool pal(string s) {     long long n = s.size();     for (long long i = 0; i < n / 2; i++)       if (s[i] != s[n - i - 1]) return false;     return true;   }   int32_t main() {     ios_base::sync_with_stdio(false);     cin.tie(NULL);     cout.tie(NULL);     long long test = 1;     while (test--) {       long long n, k, x, ab = 1e10, p, c = 0, f;       cin >> n >> k >> x;       vector<long long> v(n);       for (long long i = 0; i < n; i++) {         cin >> v[i];         if (abs(v[i]) < abs(ab)) {           ab = abs(v[i]);           p = i;         }         if (v[i] < 0) c++;       }       if (c % 2 == 0) {         f = abs(ab) / x + 1;         f = min(f, k);         k -= f;         if (v[p] < 0)           v[p] += f * x;         else           v[p] -= f * x;       }       set<pair<long long, long long> > s;       for (long long i = 0; i < n; i++) s.insert({abs(v[i]), i});       while (k > 0) {         k--;         p = s.begin()->second;         if (v[p] < 0) {           v[p] -= x;           s.erase(s.begin());           s.insert({abs(v[p]), p});         } else {           v[p] += x;           s.erase(s.begin());           s.insert({v[p], p});         }       }       for (long long i = 0; i < n; i++) cout << v[i] <<    ;     }     return 0;   }   