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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
#643247#9430. Left Shifting 2dqw#AC ✓18ms12208kbC++231.1kb2024-10-15 20:04:482024-10-15 20:04:50

Judging History

你现在查看的是最新测评结果

  • [2024-10-15 20:04:50]
  • 评测
  • 测评结果:AC
  • 用时:18ms
  • 内存:12208kb
  • [2024-10-15 20:04:48]
  • 提交

answer

#include<bits/stdc++.h>
using namespace std;
#define int long long
void solve()
{

    string s;cin>>s;
    int n=s.size();
    s+=s;
    deque<pair<char,int>>q;
    for(int i=0;i<n;i++)
    {
        char c=s[i];
        if(q.empty() or q.back().first!=c)
        {
            q.push_back({c,1});
        }
        else
        {
            q.back().second++;
        }
    }
    int ans=0,cur=0;
    for(auto p:q)
    {
        cur+=(p.second/2);
    }
    ans=cur;
    for(int i=n;i<n*2;i++)
    {
        char c=s[i];
        int bk=q.back().second/2;
        if(q.back().first!=c)
        {
            q.push_back({c,1});
        }
        else
        {
            q.back().second++;
            int bk2=q.back().second/2;
            cur+=bk2-bk;
        }

        bk=q.front().second/2;
        q.front().second--;
        int bk2=q.front().second/2;
        cur-=bk-bk2;

        if(q.front().second==0)
        {
            q.pop_front();
        }

        ans=min(ans,cur);        
    }
    cout<<ans<<endl;
}
int32_t main()
{
    int t;cin>>t;
    while(t--)
    {
        solve();
    }
}

这程序好像有点Bug,我给组数据试试?

详细

Test #1:

score: 100
Accepted
time: 0ms
memory: 3708kb

input:

3
abccbbbbd
abcde
x

output:

2
0
0

result:

ok 3 lines

Test #2:

score: 0
Accepted
time: 13ms
memory: 3752kb

input:

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

output:

1
0
0
0
0
0
1
4
0
0
1
1
1
1
1
3
1
0
5
6
0
0
5
2
0
1
3
2
0
3
0
1
0
1
1
0
1
4
1
3
1
0
1
5
3
0
3
0
0
1
8
1
0
6
1
2
0
1
0
0
4
1
2
4
3
1
3
2
3
1
2
1
0
0
2
0
2
2
0
4
0
5
5
0
3
0
4
1
0
2
1
0
2
0
1
6
1
2
1
3
3
3
5
2
3
0
3
5
1
3
0
0
3
0
4
5
3
2
1
1
0
0
2
0
1
1
3
3
3
1
2
0
1
1
4
3
1
3
1
1
1
2
0
1
2
0
4
0
1
1
...

result:

ok 5000 lines

Test #3:

score: 0
Accepted
time: 13ms
memory: 12060kb

input:

1
cbppzfsncqyzmuwrcvtxsciucxusskcjhaanwhqmyncytwhkubrvcqxgcehdxyewdyvpqjcmrnmlgrytrucexmmfulqbtfctehphmrzkosyvhtvjrromqncbgsjcwhmlqidkycaxyhsrduoxayntuhqubvboseeziwjvrfagsbvtxjjbexnajqapgxydwtztzbbdpoydnjipfizdfpmczgqvdmpvxbqubtygkfpdeonegfzsttirbhzkobbigwneyvtcxndfkljdvbbcfnadtfhgohfzqeidtgyandhnvb...

output:

18631

result:

ok single line: '18631'

Test #4:

score: 0
Accepted
time: 18ms
memory: 12208kb

input:

1
qokalgqjhyijyizyihdsiapbgvzxzevykavqmgqzrpjngciqcljsuplvpaziebmumatzvngwrhgsxrtcoiseihejwpewvosnrgvhoxluliuwixgxylazufebrwgfebazrkghgwbpqavehtnakmzqsetghmzoydwmeqvoplkyqngwrgktylrnaojpkvuwfsjbizedqwhfteyjobrglkhkeoxmxdgyuygawvdjhyakpkjchyxaqthrglcldevrzskdaotkbsbmnstrsxervdvmaylqxnwaecfmdszwedrdom...

output:

0

result:

ok single line: '0'

Test #5:

score: 0
Accepted
time: 9ms
memory: 4740kb

input:

1
bbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbyyqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhcccccccccccccccccccccccccccccccccccccccccccccccccccccccccccceeeeeeeeeeeeeeeeeeeeezzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzz...

output:

246800

result:

ok single line: '246800'

Test #6:

score: 0
Accepted
time: 9ms
memory: 4656kb

input:

1
yyyyyyyyyyyyyyyyyyyyyyyyhhhhhhhhaaaannnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnhhhhhhhhhhhhhhhhhhhhhhhiiiiiiiieeeeeeeeeesssssssbbbbbbbbbbiiiiiiiwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxaaaaaaaaaaaaaaaadccccckkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkc...

output:

242729

result:

ok single line: '242729'

Extra Test:

score: 0
Extra Test Passed