QOJ.ac
QOJ
| ID | Problem | Submitter | Result | Time | Memory | Language | File size | Submit time | Judge time |
|---|---|---|---|---|---|---|---|---|---|
| #376372 | #2528. Mobile Robot | kevinyang# | WA | 0ms | 3820kb | C++17 | 400b | 2024-04-04 08:57:05 | 2024-04-04 08:57:05 |
Judging History
answer
#include <bits/stdc++.h>
using namespace std;
#define int long long
signed main(){
cin.tie(nullptr)->sync_with_stdio(false);
int n,d;
cin >> n >> d;
vector<int>arr(n);
for(int i = 0; i<n; i++){
cin >> arr[i];
arr[i]-=i*d;
}
sort(arr.begin(),arr.end());
int v = arr[n-1]-arr[0];
cout << v/2;
if(v%2==0){
cout << ".0\n";
}
else{
cout << ".5\n";
}
return 0;
}
Details
Tip: Click on the bar to expand more detailed information
Test #1:
score: 100
Accepted
time: 0ms
memory: 3588kb
input:
2 1 -1 1
output:
0.5
result:
ok single line: '0.5'
Test #2:
score: 0
Accepted
time: 0ms
memory: 3620kb
input:
2 1 0 1
output:
0.0
result:
ok single line: '0.0'
Test #3:
score: 0
Accepted
time: 0ms
memory: 3820kb
input:
2 1 0 0
output:
0.5
result:
ok single line: '0.5'
Test #4:
score: 0
Accepted
time: 0ms
memory: 3812kb
input:
2 1 -10000000000000000 10000000000000000
output:
9999999999999999.5
result:
ok single line: '9999999999999999.5'
Test #5:
score: 0
Accepted
time: 0ms
memory: 3616kb
input:
2 10000000000 0 0
output:
5000000000.0
result:
ok single line: '5000000000.0'
Test #6:
score: 0
Accepted
time: 0ms
memory: 3544kb
input:
2 10000000000 -10000000000000000 10000000000000000
output:
9999995000000000.0
result:
ok single line: '9999995000000000.0'
Test #7:
score: 0
Accepted
time: 0ms
memory: 3512kb
input:
10 1 0 1 2 3 4 5 6 7 8 9
output:
0.0
result:
ok single line: '0.0'
Test #8:
score: -100
Wrong Answer
time: 0ms
memory: 3612kb
input:
10 1 9 8 7 6 5 4 3 2 1 0
output:
9.0
result:
wrong answer 1st lines differ - expected: '0.0', found: '9.0'