比赛 |
EYOI暨SBOI暑假快乐赛5th |
评测结果 |
AAAAAAAAAA |
题目名称 |
AND Sorting |
最终得分 |
100 |
用户昵称 |
遥时_彼方 |
运行时间 |
0.000 s |
代码语言 |
C++ |
内存使用 |
0.00 MiB |
提交时间 |
2022-06-29 11:13:29 |
显示代码纯文本
#include<bits/stdc++.h>
#define rep(x,y,z) for(int x=y;x<=z;x++)
#define drep(x,y,z) for(int x=y;x>=z;x--)
#define ull unsigned long long
#define ll long long
using namespace std;
inline int read()
{
int x=0;bool flag=1;char ch=getchar();
while(ch<'0'||ch>'9') {if(ch=='-')flag=0;ch=getchar();}
while(ch>='0'&&ch<='9') {x=(x<<3)+(x<<1)+ch-'0';ch=getchar();}
if(flag) return x;
return ~(x-1);
}
inline void write(int x)
{
if(x<0) {x=~(x-1);putchar('-');}
if(x>9) write(x/10);
putchar(x%10+'0');
}
/////////////////////////
const int N=2e5+50;
int tc,nc;
int ans;
inline void solve()
{
ans=(1<<30)-1;
nc=read();
int s1;
rep(i,0,nc-1)
{
s1=read();
if(s1!=i) ans&=(s1&i);
}
cout<<ans<<endl;
}
int main()
{
freopen("and_sorting.in","r",stdin);
freopen("and_sorting.out","w",stdout);
tc=read();
rep(i,1,tc) solve();
return 0;
}