QOJ.ac
QOJ
| ID | Problem | Submitter | Result | Time | Memory | Language | File size | Submit time | Judge time |
|---|---|---|---|---|---|---|---|---|---|
| #743991 | #9568. Left Shifting 3 | whileone27 | TL | 29ms | 3748kb | C++14 | 575b | 2024-11-13 20:31:21 | 2024-11-13 20:31:22 |
Judging History
answer
#include<bits/stdc++.h>
using namespace std;
const int N=5e6+5;
int T,n,x,k;
int bb[N];string s,ss,t;
int ppp(int x){
for(int i=1;i<=7;++i)
if(t[i]!=s[x+i-1])return 0;
return 1;
}
signed main(){
ios::sync_with_stdio(0);
cin>>T;
t=" nanjing";
while(T--){
cin>>n>>k>>ss;
if(n<=6){
cout<<0<<'\n';
continue;
}
k=min(n,k);
ss=" "+ss;
s=ss;
for(int i=1;i<=k;++i)s=s+ss[i];
int ans=0;
for(int i=1;i<=n+k-6;++i)bb[i]=ppp(i),bb[i]+=bb[i-1];
for(int i=n;i<=n+k;++i)
ans=max(ans,bb[i-6]-bb[i-n]);
cout<<ans<<'\n';
}
}
Details
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Test #1:
score: 100
Accepted
time: 0ms
memory: 3528kb
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: 29ms
memory: 3748kb
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: -100
Time Limit Exceeded
input:
3 100000 998244353 gbppzfsncqyzmuwrcvtxsciucxusskcjhaanwhqmyncytwhkubrvcqxgcehdxyewdyvpqjcmrnmlgrytrucexmmfulqbtfctehphmrzkosyvhtvjrromqncbgsjcwhmlqidkycaxyhsrduoxayntuhqubvboseeziwjvrfagsbvtxjjbexnajqapgxydwtztzbbdpoydnjipfizdfpmczgqvdmpvxbqubtygkfpdeonegfzsttirbhzkobbigwneyvtcxndfkljdvbbcfnadtfhgo...
output:
4