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QOJ
ID | 题目 | 提交者 | 结果 | 用时 | 内存 | 语言 | 文件大小 | 提交时间 | 测评时间 |
---|---|---|---|---|---|---|---|---|---|
#443628 | #7944. Max Minus Min | zpy12345 | WA | 11ms | 3724kb | C++14 | 760b | 2024-06-15 16:07:55 | 2024-06-15 16:07:56 |
Judging History
answer
#include<bits/stdc++.h>
using namespace std;
const int N=2e5+5;
int n,a[N],max1,min1;
bool check(int d)
{
bool flag=0;
int k=0;
for(int i=1;i<=n;i++)
{
if(a[i]>max1-d&&a[i]-d<min1) return 0;
if(a[i]-d<min1)
{
if(flag)
{
k++;
flag=0;
if(k>1) return 0;
}
}
else if(a[i]>max1-d) flag=1;
else
{
flag=1;
}
}
if(flag) k++;
if(k>1) return 0;
return 1;
}
int main()
{
int t;
cin>>t;
while(t--)
{
cin>>n;
int ans=0;
min1=1e9,max1=0;
for(int i=1;i<=n;i++)
{
cin>>a[i];
min1=min(min1,a[i]);
max1=max(max1,a[i]);
}
int l=0,r=max1-min1;
while(l<=r)
{
int mid=(l+r)/2;
if(check(mid))
{
ans=mid;
l=mid+1;
}
else r=mid-1;
}
cout<<max1-min1-ans<<'\n';
}
return 0;
}
详细
Test #1:
score: 100
Accepted
time: 0ms
memory: 3724kb
input:
4 3 42 42 42 4 1 2 2 1 5 1 100 1 100 1 6 1 2 3 4 5 6
output:
0 0 99 2
result:
ok 4 number(s): "0 0 99 2"
Test #2:
score: -100
Wrong Answer
time: 11ms
memory: 3640kb
input:
19530 6 2 3 3 3 4 3 6 2 4 4 2 5 5 6 2 5 2 5 1 3 6 4 4 1 2 4 1 5 5 4 5 3 3 5 2 2 1 5 1 6 3 1 2 4 2 3 5 5 5 4 4 5 6 5 3 3 1 4 2 6 3 3 2 4 2 4 6 1 2 4 5 2 5 5 3 4 5 5 3 6 4 3 3 3 4 3 6 1 5 1 2 3 1 5 5 5 2 1 4 6 1 2 5 3 5 2 6 4 5 2 4 5 2 5 2 4 2 4 1 4 2 3 3 3 6 1 2 2 1 4 5 6 3 2 1 3 3 2 6 2 1 1 2 5 3 6 ...
output:
1 3 4 3 1 1 3 1 4 2 3 1 1 4 4 2 3 2 0 1 2 2 0 3 2 2 3 4 2 4 4 4 4 2 3 4 2 3 2 3 2 4 2 1 3 2 4 4 4 1 4 2 3 4 3 3 3 1 1 4 1 3 4 3 4 4 3 3 2 1 1 2 1 3 4 4 1 3 1 1 3 1 1 3 2 2 1 4 2 2 4 4 2 2 2 4 2 4 2 1 1 3 2 3 2 1 1 3 4 4 4 2 4 4 2 2 3 1 4 1 1 1 1 3 4 2 2 2 2 3 3 1 4 4 2 2 1 4 2 3 2 2 3 1 2 3 3 3 2 4 ...
result:
wrong answer 2nd numbers differ - expected: '2', found: '3'