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  1. #include <bits/stdc++.h>
  2. using namespace std;
  3.  
  4. int s[100005];
  5. signed main()
  6. {
  7.   ios_base::sync_with_stdio(false);
  8.   cin.tie(NULL), cout.tie(NULL);
  9.   int n, q;
  10.   cin >> n;
  11.   for (int i = 1, x; i <= n; ++i)
  12.   {
  13.     cin >> x;
  14.     s[i] = s[i - 1] ^ x;
  15.   }
  16.   cin >> q;
  17.   for (int i = 1, u, v; i <= q; ++i)
  18.   {
  19.     cin >> u >> v;
  20.     cout << (s[v] ^ s[u - 1]) << '\n';
  21.   }
  22.   return 0;
  23. }
Success #stdin #stdout 0s 5312KB
comments (?)
stdin 
5
1 2 3 4 5
2
3 5
1 3
stdout 
2
0
https://ideone.com/MciVPF
language:
C++ (gcc 8.3)
created:
5 days ago
visibility:
public

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