做一个前缀后缀再遍历比较
#include <iostream>
#include <vector>
#include <algorithm>
#include <string>
#include <set>
#include <queue>
#include <map>
#include <sstream>
#include <cstdio>
#include <cstring>
#include <numeric>
#include <cmath>
#include <iomanip>
#include <deque>
#include <bitset>
#define ll long long
#define PII pair<int, int>
#define rep(i,a,b) for(int i=a;i<=b;i++)
#define dec(i,a,b) for(int i=a;i>=b;i--)
#define pb push_back
#define mk make_pair
using namespace std;
int dir[4][2] = { { 0,1 } ,{ 0,-1 },{ 1,0 },{ -1,0 } };
const long long INF = 0x7f7f7f7f7f7f7f7f;
const int inf = 0x3f3f3f3f;
const double pi = 3.14159265358979323846;
const int mod = 998244353;
const int N = 2e5 + 5;
//if(x<0 || x>=r || y<0 || y>=c)
inline ll read()
{
ll x = 0; bool f = true; char c = getchar();
while (c < '0' || c > '9') { if (c == '-') f = false; c = getchar(); }
while (c >= '0' && c <= '9') x = (x << 1) + (x << 3) + (c ^ 48), c = getchar();
return f ? x : -x;
}
ll gcd(ll m, ll n)
{
return n == 0 ? m : gcd(n, m % n);
}
ll lcm(ll m, ll n)
{
return m * n / gcd(m, n);
}
int main()
{
int n;
cin >> n;
vector<int> a(n+1),pre(n+1),suf(n+2);
pre[0] = ~0;
suf[n + 1] = ~0;
rep(i, 1, n)
cin >> a[i];
rep(i,1,n)
{
pre[i] = pre[i - 1] & (~a[i]);
}
dec(i, n, 1)
{
suf[i] = suf[i + 1] & (~a[i]);
}
int t0 = a[1] & suf[2];
int t1 = a[n] & pre[n - 1];
int pos=1;
rep(i, 1, n-1)
{
if ((pre[i - 1] & a[i] & suf[i + 1]) > t0)
{
t0 = pre[i - 1] & a[i] & suf[i + 1];
pos = i;
}
}
if (t1 > t0)
pos = n;
swap(a[1], a[pos]);
rep(i, 1, n)
cout << a[i] << " ";
return 0;
}