func_code_string: #include <bits/stdc++.h>   using namespace std;   int main() {     int n;     cin >> n;     vector<int> a(n);     for (int i = 0; i < n; i++) {       cin >> a[i];     }     int inv = 0;     for (int i = 1; i < n; i++) {       for (int j = 0; j < i; j++) {         if (a[i] < a[j]) {           inv++;         }       }     }     inv %= 2;     int m;     cin >> m;     for (int i = 0; i < m; i++) {       int l, r;       cin >> l >> r;       int len = r - l + 1;       int di = (len * (len - 1)) / 2;       inv += di;       inv %= 2;       if (inv == 1) {         cout <<  odd  << endl;       } else {         cout <<  even  << endl;       }     }     return 0;   }   