QOJ.ac
QOJ
ID | Problem | Submitter | Result | Time | Memory | Language | File size | Submit time | Judge time |
---|---|---|---|---|---|---|---|---|---|
#732179 | #9568. Left Shifting 3 | ucup-team4479# | AC ✓ | 6ms | 7276kb | C++23 | 861b | 2024-11-10 13:34:58 | 2024-11-10 13:35:00 |
Judging History
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