记录编号	602355	评测结果	AAAAAAAAAA
题目名称	4167.镜牢	最终得分	100
用户昵称	LikableP	是否通过	通过
代码语言	C++	运行时间	0.698 s
提交时间	2025-07-03 17:08:55	内存使用	3.03 MiB

#include <cstdio>
typedef long long ll;

template <typename T> T read();
template <typename T> void write(T, char);

const int MAXN = 1e5 + 10;

int n;
ll a[MAXN], b[MAXN], c[MAXN];
ll ans;

int main() {
  freopen("./mirror.in", "r", stdin);
  freopen("./mirror.out", "w", stdout);
  n = read<int>();
  for (int i = 1; i <= n; ++i) a[i] = read<ll>(), ans ^= a[i];
  for (int i = 1; i <= n; ++i) b[i] = read<ll>(), b[i] ^= a[i];
  fprintf(stderr, "*1*\n");
  for (int i = 1; i <= n; ++i) c[i] = read<ll>();
  fprintf(stderr, "*2*\n");

  for (int bit = 60; bit >= 0; --bit) {
    ll x = 0, y = 0;
    for (int i = n; i >= 1; --i) {
      if (b[i] >> bit & 1) {
        b[i] ^= (x ? x : (y = c[i], x = b[i]));
      }
    }
    ans ^= ((ans >> bit & 1) ^ y) * x;
  }

  write(ans, '\n');
  return 0;
}

#define isdigit(ch) (ch >= '0' && ch <= '9')
template <typename T> T read() {
  T res = 0, f = 1;
  char ch = getchar();
  for (; !isdigit(ch); ch = getchar())
    if (ch == '-') f = -1;
  for (; isdigit(ch); ch = getchar()) res = (res << 3) + (res << 1) + (ch ^ 48);
  return res * f;
}

template <typename T> void write(T x, char ed) {
  if (x < 0) x = -x, putchar('-');
  static int sta[sizeof(T) << 2], top = 0;
  do {
    sta[++top] = x % 10;
    x /= 10;
  } while (x);
  while (top) {
    putchar(sta[top--] ^ 48);
  }
  putchar(ed);
}