QOJ.ac
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 |
|---|---|---|---|---|---|---|---|---|---|
| #142273 | #1373. Rating Problems | A3bat_team_f_Masr# | AC ✓ | 1ms | 3816kb | C++14 | 346b | 2023-08-18 21:20:06 | 2023-08-18 21:20:09 |
Judging History
answer
#include <iostream>
#include<bits/stdc++.h>
using namespace std;
int main()
{
int n,k;
cin>>n>>k;
double sum=0;
for(int i=0;i<k;i++)
{
int x;
cin>>x;
sum+=x;
}
double tmp1=sum+(n-k)*3,tmp2=sum-(n-k)*3;
cout<<fixed<<setprecision(10)<<tmp2/n<<" "<<tmp1/n;
return 0;
}
詳細信息
Test #1:
score: 100
Accepted
time: 1ms
memory: 3660kb
input:
10 0
output:
-3.0000000000 3.0000000000
result:
ok 2 numbers
Test #2:
score: 0
Accepted
time: 1ms
memory: 3660kb
input:
10 10 3 2 1 0 -1 -2 -3 -2 -1 0
output:
-0.3000000000 -0.3000000000
result:
ok 2 numbers
Test #3:
score: 0
Accepted
time: 0ms
memory: 3620kb
input:
10 10 0 0 0 0 0 0 0 0 0 0
output:
0.0000000000 0.0000000000
result:
ok 2 numbers
Test #4:
score: 0
Accepted
time: 1ms
memory: 3616kb
input:
10 10 3 3 3 3 3 3 3 3 3 3
output:
3.0000000000 3.0000000000
result:
ok 2 numbers
Test #5:
score: 0
Accepted
time: 1ms
memory: 3616kb
input:
10 10 -3 -3 -3 -3 -3 -3 -3 -3 -3 -3
output:
-3.0000000000 -3.0000000000
result:
ok 2 numbers
Test #6:
score: 0
Accepted
time: 1ms
memory: 3808kb
input:
1 0
output:
-3.0000000000 3.0000000000
result:
ok 2 numbers
Test #7:
score: 0
Accepted
time: 1ms
memory: 3816kb
input:
1 1 2
output:
2.0000000000 2.0000000000
result:
ok 2 numbers
Test #8:
score: 0
Accepted
time: 0ms
memory: 3612kb
input:
9 7 1 3 2 2 1 1 2
output:
0.6666666667 2.0000000000
result:
ok 2 numbers
Test #9:
score: 0
Accepted
time: 1ms
memory: 3616kb
input:
6 4 -2 -1 -2 0
output:
-1.8333333333 0.1666666667
result:
ok 2 numbers