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ID	Problem	Submitter	Result	Time	Memory	Language	File size	Submit time	Judge time
#99729	#5377. $N$ 门问题	zhouhuanyi	0	2ms	3752kb	C++23	508b	2023-04-23 16:22:08	2023-04-23 16:22:12

Judging History

你现在查看的是最新测评结果

[2023-08-10 23:21:45]
System Update: QOJ starts to keep a history of the judgings of all the submissions.

[2023-04-23 16:22:12]
评测

测评结果：0
用时：2ms
内存：3752kb

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[2023-04-23 16:22:08]
提交

answer

#include<iostream>
#include<cstdio>
#define N 50000
using namespace std;
long long read()
{
    char c=0;
    long long sum=0;
    while (c<'0'||c>'9') c=getchar();
    while ('0'<=c&&c<='9') sum=sum*10+c-'0',c=getchar();
    return sum;
}
long long T,a,b;
double ans;
int main()
{
    T=read();
    while (T--) a=read(),b=read();
    if (a<2) puts("error");
    else if (a==2) ans=1.0/2;
    else if (a==3) ans=2.0/3;
    else ans=5.0/8;
    printf("%0.6lf\n",ans);
    return 0;
}

Source code, Language: C++23

Details

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Subtask #1:

score: 0

Wrong Answer

Test #1:

score: 5

Accepted

time: 2ms

memory: 3700kb

input:

1
2 3

output:

0.500000

result:

ok single line: '0.500000'

Test #2:

score: 0

Accepted

time: 1ms

memory: 3572kb

input:

1
3 5

output:

0.666667

result:

ok single line: '0.666667'

Test #3:

score: 0

Accepted

time: 1ms

memory: 3704kb

input:

1
4 5

output:

0.625000

result:

ok single line: '0.625000'

Test #4:

score: -5

Wrong Answer

time: 0ms

memory: 3568kb

input:

1
0 4

output:

error
0.000000

result:

wrong output format Extra information in the output file

Subtask #2:

score: 0

Wrong Answer

Test #6:

score: 0

Wrong Answer

time: 2ms

memory: 3568kb

input:

8
1 160005726539569
1 233
0 1
1 2947295521
1 686719856393
1 54289
1 12649337
1 37281334283719577

output:

error
0.000000

result:

wrong output format Extra information in the output file

Subtask #3:

score: 0

Skipped

Dependency #2:

Subtask #4:

score: 0

Skipped

Dependency #3:

Subtask #5:

score: 0

Skipped

Dependency #1:

Subtask #6:

score: 0

Wrong Answer

Test #57:

score: 0

Wrong Answer

time: 0ms

memory: 3752kb

input:

output:

0.625000

result:

wrong answer 1st lines differ - expected: '0.000000', found: '0.625000'

Subtask #7:

score: 0

Skipped