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IDProblemSubmitterResultTimeMemoryLanguageFile sizeSubmit timeJudge time
#732179#9568. Left Shifting 3ucup-team4479#AC ✓6ms7276kbC++23861b2024-11-10 13:34:582024-11-10 13:35:00

Judging History

你现在查看的是最新测评结果

  • [2024-11-10 13:35:00]
  • 评测
  • 测评结果:AC
  • 用时:6ms
  • 内存:7276kb
  • [2024-11-10 13:34:58]
  • 提交

answer

#include <bits/stdc++.h>
using namespace std;
constexpr int N=200005;
int n,k;
string s;
int a[N*2],sum[N*2];
void solve()
{
    cin>>n>>k;
    cin>>s;
    if(n<7)
    {
        cout<<0<<"\n";
        return;
    }
    k=min(k,n-1);
    string t=s+s;
    for(int i=0;i<n;i++)
        if(t.substr(i,7)=="nanjing") a[i]=1;
        else a[i]=0;
    for(int i=n;i<n*2;i++)
        a[i]=a[i-n];
    for(int i=0;i<n*2;i++)
    {
        sum[i]=a[i];
        if(i>0) sum[i]+=sum[i-1];
    }
    int ans=0;
    for(int i=0;i<=k;i++)
    {
        int cnt=sum[i+n-7];
        if(i>0) cnt-=sum[i-1];
        ans=max(ans,cnt);
    }
    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;
}

这程序好像有点Bug,我给组数据试试?

Details

Tip: Click on the bar to expand more detailed information

Test #1:

score: 100
Accepted
time: 0ms
memory: 3624kb

input:

4
21 10
jingicpcnanjingsuanan
21 0
jingicpcnanjingsuanan
21 3
nanjingnanjingnanjing
4 100
icpc

output:

2
1
3
0

result:

ok 4 number(s): "2 1 3 0"

Test #2:

score: 0
Accepted
time: 6ms
memory: 5812kb

input:

2130
39 7
nnananjingannanjingngnanjinganjinggjina
1 479084228
g
33 2
gqnanjinggrjdtktnanjingcvsenanjin
24 196055605
ginganjingnanjingnanjing
23 3
ngnanjinganjingjinnanji
40 3
njingaaznannanjingnananjingyonwpnanjinga
40 207842908
nanjinggphconanjingkonanjinannanjinglxna
46 3
ingjingnnanjingnanjinging...

output:

3
0
3
2
2
3
3
4
3
4
0
2
4
3
2
1
1
1
4
2
0
3
3
0
0
1
0
0
0
5
4
0
1
2
1
2
2
1
1
1
3
3
1
3
2
0
1
2
4
1
2
1
2
1
2
3
0
1
0
0
1
1
3
2
2
1
0
3
1
2
1
1
4
4
1
1
1
1
0
1
1
1
1
2
0
4
4
3
1
1
2
1
1
1
1
5
1
4
0
1
2
1
3
4
3
3
3
3
1
3
2
1
3
1
2
0
0
1
0
5
0
2
0
3
1
0
2
2
3
2
1
2
0
1
1
1
2
4
1
3
2
0
1
1
2
2
2
1
0
3
...

result:

ok 2130 numbers

Test #3:

score: 0
Accepted
time: 4ms
memory: 7276kb

input:

3
100000 998244353
gbppzfsncqyzmuwrcvtxsciucxusskcjhaanwhqmyncytwhkubrvcqxgcehdxyewdyvpqjcmrnmlgrytrucexmmfulqbtfctehphmrzkosyvhtvjrromqncbgsjcwhmlqidkycaxyhsrduoxayntuhqubvboseeziwjvrfagsbvtxjjbexnajqapgxydwtztzbbdpoydnjipfizdfpmczgqvdmpvxbqubtygkfpdeonegfzsttirbhzkobbigwneyvtcxndfkljdvbbcfnadtfhgo...

output:

4
1649
3651

result:

ok 3 number(s): "4 1649 3651"

Extra Test:

score: 0
Extra Test Passed