Description
DO YOU EXPECT ME TO FIND THIS OUT?
WHAT BASE AND/XOR LANGUAGE INCLUDES string?
DON'T BYTE OF MORE THAN YOU CAN CHEW
YOU CAN ONLY DISTORT THE LARGEST OF MATHEMATICS SO FAR
SAYING "ABRACADABRA" WITHOUT A MAGIC AND WON'T DO YOU ANY GOOD
THE LAST STACK RUPTURES. ALL DIE. OH, THE EMBARRASSMENT!
I HAVE NO ARRAY AND I MUST SCREAM
ELEMENTS MAY NOT BE STORED IN WEST HYPERSPACE
Input
The first line of input data contains a single integer n (1 ≤ n ≤ 10).
The second line of input data contains n space-separated integers ai (1 ≤ ai ≤ 11).
Output
Output a single integer.
Example
input
4
2 5 3 1
output
4
哇啊啦啦啦哇啦啦，然后知道这是个把每句其中几个字取出来，组合在一起，就是最大值和最后一个数异或
1 #include<bits/stdc++.h> 2 using namespace std; 3 #define ll long long 4 int n,x,mx=0; 5 int main() 6 { 7 cin>>n; 8 for(int i=1;i<=n;i++) 9 cin>>x,mx=max(mx,x); 10 cout<<(x^mx); 11 return 0; 12 }