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CF_1276_A.cpp
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47 lines (45 loc) · 1002 Bytes
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#include <bits/stdc++.h>
using namespace std;
typedef long long ll;
int main()
{
cin.tie(0);cin.sync_with_stdio(0);
cout.tie(0);cout.sync_with_stdio(0);
int t = 1;
cin >> t;
while (t--)
{
int size;
cin>>size;
vector<int> vec;
for(int i=0; i<size; i++)
{
int element;
cin>>element;
vec.push_back(element);
}
int e1=vec[0];
int e2=vec[size-1];
int answer=0;
int a3=0;
for(int i=0; i<size; i++)
{
if(i==size-1)
{
a3=vec[i]-vec[0];
}
else
{
a3=vec[i]-vec[i+1];
}
answer=max(a3, answer);
}
sort(vec.begin(), vec.end());
int a1=vec[size-1]-e1;
int a2=e2-vec[0];
int answer2=max(a1, a2);
answer=max(answer, answer2);
cout<<answer<<endl;
}
return 0;
}