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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
#739788#9568. Left Shifting 3rdcamelotAC ✓9ms4024kbC++201.0kb2024-11-12 23:06:582024-11-12 23:06:59

Judging History

你现在查看的是最新测评结果

  • [2024-11-12 23:06:59]
  • 评测
  • 测评结果:AC
  • 用时:9ms
  • 内存:4024kb
  • [2024-11-12 23:06:58]
  • 提交

answer

#include<bits/stdc++.h>
using namespace std;
using i64=long long;
using u64=unsigned long long;
#define ll long long
const int inf=1e9;
const ll inff=1e18;
using i128=__int128;

void solve(){
    int n,k;
    cin>>n>>k;
    k=min(n,k);
    string s;
    cin>>s;
    if(n<7){
        cout<<0<<'\n';
        return;
    }
    s=s+s;
    int cnt=0;
    int ans=0;
    // "nanjing"
    for(int i=0;i<n-6;i++){
        if(s.substr(i,7)=="nanjing"){
            cnt++;
            i+=6;
        }
    }
    ans=cnt;
    int l=0,r=n-6;
    while(l<(n+k-6) && r<(n+k-6)){
        // cout<<'\n'<<l<<' '<<r<<'\n';
        // cout<<s.substr(r,7)<<'\n';
        if(s.substr(r,7)=="nanjing"){
            cnt++;
        }
        r++;
        if(s.substr(l,7)=="nanjing"){
            cnt--;
        }
        l++;
        ans=max(ans,cnt);
    }
    cout<<ans<<'\n';
}

int main(){
    ios::sync_with_stdio(0);cin.tie(0);
    int t=1;
    cin>>t; 
    while(t--){
        solve();
    }
    return 0;
}


这程序好像有点Bug,我给组数据试试?

詳細信息

Test #1:

score: 100
Accepted
time: 0ms
memory: 3616kb

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: 7ms
memory: 3680kb

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: 9ms
memory: 4024kb

input:

3
100000 998244353
gbppzfsncqyzmuwrcvtxsciucxusskcjhaanwhqmyncytwhkubrvcqxgcehdxyewdyvpqjcmrnmlgrytrucexmmfulqbtfctehphmrzkosyvhtvjrromqncbgsjcwhmlqidkycaxyhsrduoxayntuhqubvboseeziwjvrfagsbvtxjjbexnajqapgxydwtztzbbdpoydnjipfizdfpmczgqvdmpvxbqubtygkfpdeonegfzsttirbhzkobbigwneyvtcxndfkljdvbbcfnadtfhgo...

output:

4
1649
3651

result:

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

Extra Test:

score: 0
Extra Test Passed