QOJ.ac
QOJ
| ID | Problem | Submitter | Result | Time | Memory | Language | File size | Submit time | Judge time |
|---|---|---|---|---|---|---|---|---|---|
| #847427 | #9925. LR String | MegGriffin | AC ✓ | 53ms | 8968kb | C++14 | 1.7kb | 2025-01-07 23:11:43 | 2025-01-07 23:11:44 |
Judging History
answer
#include <bits/stdc++.h>
#define forr(i,l,r) for(int i=l;i<=r;i++)
#define int long long
#define endl '\n'
using namespace std;
const int N=5e5+10;
int nxt[N]={0};
void solve(){
string s,t;
int n,sd,td;
cin>>s>>n;
int nl=s.size(),nr=s.size();
//处理s串 nxt是下一个不同的字母
for(int i=s.size()-1;i>=0;i--){
if(s[i]=='L'){
nxt[i]=nr;
nl=i;//L..R
}
else if(s[i]=='R'){
nxt[i]=nl;
nr=i;//R..L
}
}
// forr(i,0,s.size()-1)cout<<nxt[i]<<' ';
// cout<<endl;
forr(i,1,n){
cin>>t;int slen=s.size(),tlen=t.size();
if((s[0]=='L'&&t[0]!='L')||(s[slen-1]=='R'&&t[tlen-1]!='R')){
cout<<"NO"<<endl;
continue;
}
sd=0,td=0;
while (sd<slen&&td<tlen)
{
if(s[sd]==t[td])sd++,td++;
else{
sd=nxt[sd];
}
}
if(td<tlen){
cout<<"NO"<<endl;continue;
}
cout<<"YES"<<endl;
}
// forr(i,1,n){
// cin>>t;sd=0,td=0;
// tl=t.size();
// int flag=0;
// if(strstr(s,t)!=NULL){
// cout<<"YES"<<endl;break;
// }else{
// if(s[0]=='R'&&t[0]!='R'){
// }
// while (sd<s.size()&&td<t.size())
// {
// }
// }
// cout<<(flag==1?"YES":"NO")<<endl;
// }
return;
}
signed main()
{
ios::sync_with_stdio(false), std::cin.tie(nullptr), std::cout.tie(nullptr);
int _ ;
_ = 1;
cin >> _;
while (_--)
{
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: 3600kb
input:
2 RRLLRRLL 4 LLLLL LLR LRLR R RLLLLLL 3 LLLLL RL RRL
output:
NO YES NO YES YES YES NO
result:
ok 7 lines
Test #2:
score: 0
Accepted
time: 33ms
memory: 3776kb
input:
100000 RRLLR 4 R R R R LRLLL 6 R L L L L R RLLRR 1 L LRLLL 3 R L L RLRRL 2 LRRRR RRRL LRLRR 2 L R RRLRL 4 RLRLR RLLL LR RLL RLRLL 8 R R R L L L R L RLLRR 7 R LL RL R L L L LLRLR 2 L R RRRRL 1 RLLLR RRLLL 2 L L RLLRL 1 RLLRL LRLLL 5 RLRLL RLLLR RRRRL LLRRR RLLRR LRLLL 3 RRLL R RL LLRRL 3 L R LLLRR RR...
output:
YES YES YES YES NO YES YES YES YES NO NO NO YES YES NO YES NO NO NO NO YES YES YES YES YES YES YES YES YES YES YES NO NO YES NO NO NO NO NO NO YES YES YES NO NO NO NO NO NO NO NO YES NO NO NO YES YES NO NO NO NO NO NO NO NO NO YES YES YES YES YES YES YES NO NO NO NO YES NO NO YES YES YES NO NO NO NO...
result:
ok 356450 lines
Test #3:
score: 0
Accepted
time: 51ms
memory: 8376kb
input:
2 RRLRLLLRLRLRLRLLLLRRLLLRLRRLLLLLLRRRRRLRLRLRLLLLRRRLLRLRRLLRRRRRLLRLLRLLLLRLLLLRLLRRRRLRLLRRLRRRLLRRRLLLRLLRRLRLRRRRLRRLRRRLRLRLLLRLRRLRLRRRRRRLRRRRRLLLRLLLLRLRRRLRLRLLLRLRLLLLRLRRLRRLLRLRLRRLLLRRRLLLLLLLRLRRLLLLLRLRRLRLRLRRRLLRLLRLLRRLRRLLRLRLRLRLRRLRRRLLLRLLRLRLRRLRRRLLRRRRRRRRLLRLLRRLLRRLLLLRLR...
output:
YES YES YES YES YES YES YES YES YES YES YES YES YES YES YES YES YES YES YES YES YES YES YES YES YES YES YES YES YES YES YES YES YES YES YES YES YES YES YES YES YES YES YES YES YES YES YES YES YES YES YES YES YES YES YES YES YES YES YES YES YES YES YES YES YES YES YES YES YES YES YES YES YES YES YES ...
result:
ok 820231 lines
Test #4:
score: 0
Accepted
time: 38ms
memory: 8352kb
input:
2 LLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLL...
output:
NO YES NO NO NO NO YES NO NO YES NO YES NO NO YES NO NO NO NO NO NO NO NO NO NO NO NO NO NO NO NO NO NO NO NO NO NO NO YES NO NO NO NO NO NO NO NO NO NO NO NO NO NO NO NO NO NO NO NO NO NO NO NO NO NO NO NO NO NO NO NO NO NO NO NO NO NO NO NO NO NO NO NO NO NO NO NO NO NO NO NO NO NO NO YES NO NO NO...
result:
ok 531269 lines
Test #5:
score: 0
Accepted
time: 31ms
memory: 3556kb
input:
100000 LRLLLLRLRR 4 LLRRRRRR LRLLL LL RLR LLLLLRRLLR 1 RLLR RRLRLRRRRR 1 LRLLLLRRLR LRRLLRLRLL 3 RLRL LLLRR LRRLRRRL RRRRLRLRRR 2 RRL L RRLLRRRLRL 4 LLLLRRRLRR LRLLLRLRL RRLRRLRLLR RRRRRLLRLR LLLLLRLLLR 1 LLRRLRLR RLLLRLLRLL 1 RRLLRLRLLL RLLRRLLLLL 6 L L L R R L LRLRLRRRRL 1 RLLRRRRRRL RRLLLLLLRL 2 ...
output:
NO NO NO NO NO NO NO YES NO NO NO NO NO NO NO NO NO YES YES YES YES YES YES NO NO NO NO NO NO YES NO YES NO YES YES YES NO NO NO NO YES NO NO NO NO NO NO NO YES YES YES YES NO NO NO NO NO NO NO NO NO NO NO NO NO NO YES NO NO NO YES NO NO NO NO YES NO YES NO NO YES YES YES YES NO YES YES YES YES NO Y...
result:
ok 249969 lines
Test #6:
score: 0
Accepted
time: 41ms
memory: 3588kb
input:
100000 RRLLRRLLLR 1 L RLLLLRRRRR 2 L L RLRRLLLRRL 3 L L R LRLRLLRLLL 3 RRLLLLRLLL L RLRRLLLRRR LLLRRLRRRL 4 L R L L RRLRLLLLLL 1 LLLL RRLLRRLRLL 27 R LR L R R LR RLL L LR L L LL L LL R R R LR R RL LRLRL L L LL R R RRL RLLRLRRRLL 4 L LR LRLRRLRR R LLLRRRRRRR 11 R L L R R R L R L L R RLRLLLRLRL 8 LL L...
output:
NO NO NO YES YES YES NO YES NO YES NO YES YES YES YES YES YES YES YES YES YES YES YES YES YES YES YES YES YES YES YES YES YES YES YES YES YES YES YES YES YES YES YES NO YES NO NO NO NO NO NO NO NO NO NO NO YES YES YES YES YES YES YES YES NO YES YES NO YES NO YES YES YES YES YES YES YES YES YES YES Y...
result:
ok 527043 lines
Test #7:
score: 0
Accepted
time: 37ms
memory: 3552kb
input:
10000 RLLLRRLRLRLLRRLLLRRRRLLLLRRLLLRLRLLLLRRLRLRRLLLRLLLLLLLRLRRLRLLRRLLRRLLRRRLRRLRLRLLLLRRLLRLRRRLLRRLR 37 R L R R R R L RL R R RLL R RRLR L LR R LR L LL R LLLL LRRR R LLL L LR LR RLR LRRL R R RRL L L L L L RRRRRRRLRLLLLLLLRRRLLLLRRLLRLLRLLRRRRLRLRRRRLRRLLLLLLRLLLLRRRRRRLLRRRLLRRRLLLRRRLRLLRLRRLL...
output:
YES NO YES YES YES YES NO NO YES YES NO YES YES NO YES YES YES NO NO YES NO YES YES NO NO YES YES YES NO YES YES NO NO NO NO NO NO NO YES YES NO YES NO NO YES YES NO NO NO YES NO NO YES YES NO YES YES NO NO YES YES YES YES NO NO NO NO YES YES NO YES NO YES YES YES YES YES YES YES YES YES YES YES YES...
result:
ok 507876 lines
Test #8:
score: 0
Accepted
time: 35ms
memory: 3604kb
input:
1000 RLRLLLRLLLRRLRLLLRRLRLLLLLLLRLLLLRLRLRLRRLLLLLRRLLRRLRLLLRLRRLRRRLRRRLRLRLLRRRLRLLLRRRLRLRRRRRRLRRLRLLLLLLRRRLRLLRRRRRRLRLRLRLRRLRRLRRLRRRRRRRLLRRLRLLLLLRRRLLRLRRLLRLLLRLLRRLLRRLRLLLRRRLLLLRLLRRRRLRLRLRLRLRLRLRRLRLRLLLRRRLRLLRLLRRLRLLLRRRRRLRRLLLLRRLRRRLRLRLRRRLLRRLRRLLRRLRLRRLRLRRRLLRLRRLLRLLR...
output:
YES YES YES NO NO NO YES YES YES NO YES NO YES NO YES NO YES NO NO NO YES NO YES NO YES YES YES YES NO NO NO NO NO NO YES YES NO NO YES NO YES NO YES YES YES YES NO YES NO YES YES YES NO YES YES YES YES YES YES YES NO YES YES NO NO NO NO NO NO NO YES NO YES NO YES YES YES NO YES NO NO YES YES NO NO ...
result:
ok 515798 lines
Test #9:
score: 0
Accepted
time: 45ms
memory: 4512kb
input:
10 LRLLRLRRLLRRRLLRRRRLRLLLLRLRLLLRLRRRLLRLRLLLLRRLLLLRRRRRRRRLLLRLRLLLLLRLLRLRRRLRRRRRLRLRRLRLRRRRRLLLLRLRRRRLRLRLRRLRLLRLLRRRRLLRLRRLLRLLRLRLLLRRRRLLLRLLRRRRRLLLRLLLRLLLLLLRLRRLRLLLRRRLLLRLRLLRRLRLRRLRRLRLLLLLLLRRRLLRLLRRRRRRLLRRRRLRLLRLLRRLLRLRLLRRRLRRRRLRRRLRLRLRRLRLLLRLRRRRLLLRRLLRLRRRLRLLRRRRR...
output:
NO YES YES NO NO YES YES NO YES YES YES YES NO NO YES NO YES NO NO NO YES NO YES YES YES NO NO YES NO NO YES YES NO YES YES NO YES YES NO YES YES NO NO NO NO NO NO YES YES YES YES YES YES YES YES NO NO YES NO YES NO NO NO NO YES NO YES NO NO YES YES NO NO YES YES NO NO NO NO NO NO YES YES YES YES NO...
result:
ok 779728 lines
Test #10:
score: 0
Accepted
time: 24ms
memory: 4472kb
input:
20 LRRRLLRLRLLLRLRLLRLLRRLLLLRRRRLLRLLLLLRLRLRLRLRLRRRLRRRLRLRLLRLRLRLRRLLRRRLLRRRRLRLLRLLRLRLRRLLRRLLRLRRLLRLLRRLLLRRLLLLLRLRRLLRRRLRRLLLLLLRLLRRRRRLLLLLLRLRLRRLLRRRRRRLRRLLLRRRRLLLLRLRRLRLLLRRLRLLRLRLLRRRRRRLRLLLLLRLLLLLRLRRLLLLLLLLRLLRRLRLLLRRRRLLLRLRLRRRLRRRLLRLRLLLRLRRLRLLLRRRLLLRLRLLRRRRLRLRLL...
output:
NO YES YES NO YES NO NO NO YES NO YES YES YES NO YES YES NO YES NO YES NO YES NO NO NO NO NO NO YES YES NO YES YES NO NO NO NO NO NO YES YES NO NO YES NO NO NO YES NO YES NO NO NO NO YES NO YES NO YES YES YES YES YES NO NO NO NO YES NO NO YES YES NO NO YES YES YES NO YES NO NO YES YES NO YES NO YES ...
result:
ok 447294 lines
Test #11:
score: 0
Accepted
time: 36ms
memory: 7168kb
input:
4 RRRRLLRRRRLLRLLLLRRLLLRLRLLLLRRRLLRRRRRRRLLLLRLRLRRLRLLLRLLLLRLRRLRRLRLRRRRLRLLLRLLLLLLLLLLLRRRLLLRRLRLRLRLRRLRLRRLLRRLRRRLLRLLRLRLRRLLRLLLLLLLRRRLLLLLRRLRRLLLRRRLRLLLLLLRLRRRRRLRLLRRLRRRRRLLRRRRLLLRRLLLRRRLLLLRLRRLRLLLLLRLLRLRLRRRLRRRRLLLLLLRRRRLRLRRRLRLLRRRLRRRRRRRRRRRLLRLRRRLRLLRLLRRRRRLRLLRRRL...
output:
YES YES NO YES NO NO NO NO NO YES YES NO NO YES YES YES YES NO YES NO YES YES NO YES YES NO NO NO YES YES NO YES NO YES YES YES YES YES YES NO NO YES NO YES NO NO YES YES YES YES YES NO YES NO NO YES YES YES NO NO YES NO NO YES NO YES NO NO YES YES YES YES NO NO YES YES NO YES NO YES NO NO NO NO NO ...
result:
ok 508901 lines
Test #12:
score: 0
Accepted
time: 53ms
memory: 8256kb
input:
3 RLLRRRLRRLLLRLLRRRLLRLLLRRLLRRRLRLLRLLRLRRRRRLRLRLLLRLRLRRLRLLLRLLRRRRLLRLLRLRRRRLLLRLLLLRLLRRRLRRRRRRRLRLRRRLRRRLLLLRRLRLRLRLLRRRLLLLRRLRLRLLLRLRRRLLLLLLLLLRLRLLLRRLLRLLLRLRRLRLLRRLLLLLRRRRRRRLLRRRLRRRLLRRRRRRLRRRLLLRRRLLRLRLRRLLRLRLRRLRRLLRRRLRLLLLLLRLLLRRLLLRLRRRRLLRRRLLRRLRRRRLLLLRLLLLLRLRLLRR...
output:
NO NO NO YES YES NO NO YES NO YES YES YES NO YES YES YES NO YES YES YES NO YES NO NO NO NO YES NO YES NO NO YES NO NO YES YES NO YES YES NO NO NO NO NO YES NO YES YES YES YES YES NO YES YES YES YES YES YES YES NO YES YES YES NO NO NO NO NO YES NO NO NO YES NO NO NO YES YES YES YES NO NO YES NO YES N...
result:
ok 941609 lines
Test #13:
score: 0
Accepted
time: 48ms
memory: 8376kb
input:
2 RRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRR...
output:
YES YES YES YES YES YES YES YES YES YES YES YES YES YES YES YES YES YES YES YES YES YES YES YES YES YES YES YES YES YES YES YES YES YES YES YES YES YES YES YES YES YES YES YES YES YES YES YES YES YES YES YES YES YES YES YES YES YES YES YES YES YES YES YES YES YES YES YES YES YES YES YES YES YES YES ...
result:
ok 858650 lines
Test #14:
score: 0
Accepted
time: 5ms
memory: 8928kb
input:
2 RRLLLLRRRLLLLLLRRRRLRRRRLLLLRRLRLLLRLLLLLRLLRLRLRRLLLRLRLLRRLRRRRLLLLRRRRLRLLRLRRRRRLRLRRLLLLRRRRLRRRRRRLRRLRLRLRLRRRRLLLRLLRLRLRRRLRLRRLRRRLLLRRLLLRRLLLRLLLRRRRLLRRRLLLRRLLLLRRLRRLLRLRLLRLRLLLRLLRRLRLRLLRRLRRLLRRLLLRLRRLLLRLRLRRRRRLRLRRLLRRLLLRLRRLRLRLRLRLRLRRLLRRLLLRLRRRRLRLLLRLRRRLLLRRLLLLRLRRR...
output:
NO NO
result:
ok 2 lines
Test #15:
score: 0
Accepted
time: 2ms
memory: 8140kb
input:
2 RRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRR...
output:
YES YES YES YES NO NO YES YES YES NO
result:
ok 10 lines
Test #16:
score: 0
Accepted
time: 4ms
memory: 8344kb
input:
1 LLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLL...
output:
NO YES YES YES NO
result:
ok 5 lines
Test #17:
score: 0
Accepted
time: 5ms
memory: 8116kb
input:
2 LLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLL...
output:
YES NO NO NO YES YES YES YES YES YES
result:
ok 10 lines
Test #18:
score: 0
Accepted
time: 0ms
memory: 8500kb
input:
1 RRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRR...
output:
YES YES YES NO YES
result:
ok 5 lines
Test #19:
score: 0
Accepted
time: 0ms
memory: 8968kb
input:
2 LLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLL...
output:
NO YES
result:
ok 2 lines
Test #20:
score: 0
Accepted
time: 0ms
memory: 8288kb
input:
1 LLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLL...
output:
YES
result:
ok single line: 'YES'
Extra Test:
score: 0
Extra Test Passed