func_code_string: #include <bits/stdc++.h>   using namespace std;   clock_t time_p = clock();   void ktj() {     time_p = clock() - time_p;     cerr <<  Time elapsed :   << (float)(time_p) / CLOCKS_PER_SEC <<   n ;   }   int main() {     ios_base::sync_with_stdio(false);     cin.tie(NULL);     cout.tie(NULL);     long long n, i, j, k;     cin >> n;     vector<long long> a(n);     for (i = 0; i < n; i++) {       cin >> a[i];     }     if (n % 2) {       for (i = 0; i < n; i++) {         if (a[i] >= 0) {           a[i] = -a[i] - 1;         }       }       auto mn = min_element(a.begin(), a.end());       a[mn - a.begin()] = -a[mn - a.begin()] - 1;       for (i = 0; i < n; i++) {         cout << a[i] <<    ;       }       cout <<   n ;     } else {       for (i = 0; i < n; i++) {         if (a[i] >= 0)           cout << -a[i] - 1 <<    ;         else           cout << a[i] <<    ;       }       cout <<   n ;     }     ktj();   }   