QOJ.ac

QOJ

IDProblemSubmitterResultTimeMemoryLanguageFile sizeSubmit timeJudge time
#714864#8224. Caught in the MiddleTake_A_Single_6#0 0ms3692kbC++14958b2024-11-06 08:42:262024-11-06 08:42:27

Judging History

你现在查看的是最新测评结果

  • [2024-11-06 08:42:27]
  • 评测
  • 测评结果:0
  • 用时:0ms
  • 内存:3692kb
  • [2024-11-06 08:42:26]
  • 提交

answer

#include<bits/stdc++.h>
#define int long long
#define db double
#define maxn 1000005
#define mod 998244353
#define fir first
#define sec second
#define pr pair<int,int>
#define pb push_back
#define mk make_pair
#define inf 10000000000000000
using namespace std;
inline int read()
{
    int SS=0,WW=1;
    char ch=getchar();
    while(ch<'0'||ch>'9')
	{
        if(ch=='-')WW=-1;
        ch=getchar();
    }
    while(ch>='0'&&ch<='9')
	{
        SS=(SS<<1)+(SS<<3)+(ch^48);
        ch=getchar();
    }
    return SS*WW;
}
inline void write(int XX)
{
    if(XX<0)putchar('-'),XX=-XX;
    if(XX>9)write(XX/10);
    putchar(XX%10+'0');
}
int T,n;
char s[maxn];
bool ok;
signed main()
{
	for(T=read();T;T--)
	{
		n=read(),cin>>s+1,ok=0;
		for(int i=1;i<=n;i++)
			if(s[i]=='L'&&(i==1||s[i-1]!='R'))ok=1;
			else if(s[i]=='R'&&(i==n||s[i+1]!='L'))ok=1;
		if(ok)puts("Alice");
		else puts("Bob");
	}
    return 0;
}

Details

Tip: Click on the bar to expand more detailed information

Subtask #1:

score: 0
Wrong Answer

Test #1:

score: 0
Wrong Answer
time: 0ms
memory: 3692kb

input:

20
10
RLRRRRLLRR
10
LRLLLLRRLR
6
RLRLRL
10
LLRLRRRRLR
6
LRRLLL
3
RLR
5
LLRRR
6
RRRRRL
9
LRRRLRRLR
1
R
10
RRRLLRRLLL
6
LRLLLR
9
LLRLRLRLR
7
RRRRLRR
2
LL
10
RRRLLRRLRR
2
RL
7
RRLRRLR
3
LLR
10
LLRLRRRLLR

output:

Alice
Alice
Bob
Alice
Alice
Alice
Alice
Alice
Alice
Alice
Alice
Alice
Alice
Alice
Alice
Alice
Bob
Alice
Alice
Alice

result:

wrong answer 11th lines differ - expected: 'Bob', found: 'Alice'

Subtask #2:

score: 0
Skipped

Dependency #1:

0%

Subtask #3:

score: 0
Skipped

Dependency #1:

0%

Subtask #4:

score: 0
Skipped

Dependency #1:

0%