@[XY_cpp](/space/show?uid=53410) Orz
by Siyuan @ 2019-08-03 11:26:14
@[XY_cpp](/space/show?uid=53410) Orz
by x义x @ 2019-08-03 11:26:52
@[Siyuan](/space/show?uid=49725)
```cpp
// luogu-judger-enable-o2
#pragma GCC optimize("O3")
#include<bits/stdc++.h>
using namespace std;
const int N=2e5+1;
int a[N],b[N],x[N],l[N],r[N];
int main()
{
int n,m;
scanf("%d%d",&n,&m);
for(int i=1;i<=n;++i)
scanf("%d",&a[i]);
for(int i=1;i<=m;++i)
scanf("%d%d%d%d",&b[i],&x[i],&l[i],&r[i]);
for(int i=1;i<=m;++i)
{
int res=0;
for(int j=l[i];j<=r[i];++j)
{
int now=b[i]^(a[j]+x[i]);
res=max(res,now);
}
printf("%d\n",res);
}
return 0;
}
```
然而n方暴力过又是为什么呢
by XY_cpp @ 2019-08-03 11:28:33
@[XY_cpp](/space/show?uid=53410) Orz
by zrzluck99 @ 2019-08-03 11:29:36
%%%
by _Felix @ 2019-08-03 11:42:40
n方过十万(ΩДΩ)
by _Felix @ 2019-08-03 11:43:31