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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 |
|---|---|---|---|---|---|---|---|---|---|
| #807980 | #9855. Glass Bead Game | rotcar07 | WA | 0ms | 3972kb | C++23 | 240b | 2024-12-10 15:29:21 | 2024-12-10 15:29:30 |
Judging History
answer
#include<bits/stdc++.h>
using namespace std;
int n;double a[105];
int main(){
cin>>n;for(int i=1;i<=n;i++) cin>>a[i];
double ans=0;
for(int i=1;i<=n;i++)
for(int j=i+1;j<=n;j++) ans+=a[i]*a[j]*2/(a[i]+a[j]);
cout<<ans<<'\n';
}
詳細信息
Test #1:
score: 100
Accepted
time: 0ms
memory: 3896kb
input:
2 0.500000 0.500000
output:
0.5
result:
ok found '0.5000000', expected '0.5000000', error '0.0000000'
Test #2:
score: 0
Accepted
time: 0ms
memory: 3836kb
input:
3 0.500000 0.250000 0.250000
output:
0.916667
result:
ok found '0.9166670', expected '0.9166667', error '0.0000003'
Test #3:
score: 0
Accepted
time: 0ms
memory: 3864kb
input:
1 1.000000
output:
0
result:
ok found '0.0000000', expected '0.0000000', error '-0.0000000'
Test #4:
score: 0
Accepted
time: 0ms
memory: 3904kb
input:
2 0.538027 0.461973
output:
0.497108
result:
ok found '0.4971080', expected '0.4971079', error '0.0000001'
Test #5:
score: 0
Accepted
time: 0ms
memory: 3972kb
input:
3 0.494273 0.190517 0.315210
output:
0.897453
result:
ok found '0.8974530', expected '0.8974534', error '0.0000004'
Test #6:
score: 0
Accepted
time: 0ms
memory: 3832kb
input:
4 0.197261 0.087416 0.104439 0.610884
output:
0.982439
result:
ok found '0.9824390', expected '0.9824393', error '0.0000003'
Test #7:
score: -100
Wrong Answer
time: 0ms
memory: 3892kb
input:
5 0.306241 0.077563 0.409216 0.059593 0.147387
output:
1.47794
result:
wrong answer 1st numbers differ - expected: '1.4779375', found: '1.4779400', error = '0.0000017'