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IDProblemSubmitterResultTimeMemoryLanguageFile sizeSubmit timeJudge time
#628895#9430. Left Shifting 2Zhou_JKWA 2ms3556kbC++23844b2024-10-10 23:00:142024-10-10 23:00:22

Judging History

你现在查看的是最新测评结果

  • [2024-10-10 23:00:22]
  • 评测
  • 测评结果:WA
  • 用时:2ms
  • 内存:3556kb
  • [2024-10-10 23:00:14]
  • 提交

answer

#include<bits/stdc++.h>
using namespace std;
const int N=500005;
int n;
string s;
void solve()
{
    cin>>s;
    n=s.size();
    int len=0;
    for(int i=0;i<n;i++)
        if(s[i]==s[0]) len++;
        else break;
    if(len==n)
    {
        cout<<n/2<<"\n";
        return;
    }
    string t;
    for(int i=len;i<n;i++)
        t+=s[i];
    for(int i=0;i<len;i++)
        t+=s[i];
    s=t;
    int sum=0,del=0;
    for(int i=0,j=0;i<n;i=j)
    {
        while(j<n&&s[i]==s[j]) j++;
        int len=j-i;
        if(len>1) sum+=len/2;
        if(len%2==0&&len>2) del=max(del,1);
    }
    int ans=sum-del;
    cout<<ans<<"\n";
    return;
}
int main()
{
    ios::sync_with_stdio(false);
    cin.tie(nullptr),cout.tie(nullptr);
    int T;
    cin>>T;
    while(T--)
        solve();
    return 0;
}

Details

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Test #1:

score: 100
Accepted
time: 0ms
memory: 3548kb

input:

3
abccbbbbd
abcde
x

output:

2
0
0

result:

ok 3 lines

Test #2:

score: -100
Wrong Answer
time: 2ms
memory: 3556kb

input:

5000
lfpbavjsmppdppkfwnyfmbdhptdswsoulrbhyjh
cfliuqnynejgnxolzbdoztclzbozqomvioszk
eiivcoqoymonrqgrjdtkts
mdcvservaxcbioopfungsgkiftchwlmtbzqgaraovjknsgiegkvdbolmeunvrxrpscnf
ujeqtidwtoikkqtygo
llma
qjfvgwrdhaazejsfgilnpmmhkefndzvyon
kzwwpdpbrudqmwmjscllnnjyoepxophcoopvfepikouinuxx
vftculoorxskpkxoz...

output:

2
0
1
1
1
1
2
5
1
0
2
2
2
2
2
4
2
1
6
7
1
1
6
3
1
2
4
3
1
4
1
2
1
1
2
1
2
5
2
4
2
1
2
6
4
1
4
1
0
2
9
1
1
7
2
3
1
2
1
1
5
2
3
5
4
2
4
2
4
1
3
2
1
1
3
1
3
3
1
5
1
6
6
1
4
1
5
2
0
3
2
1
3
1
2
7
2
3
2
4
4
4
5
3
4
1
4
6
2
4
1
1
4
1
5
6
4
3
1
2
0
1
3
1
2
2
4
4
4
2
3
1
2
2
5
4
2
4
2
2
2
3
1
2
3
1
5
1
2
2
...

result:

wrong answer 1st lines differ - expected: '1', found: '2'