Submission #74658601
Source Code Expand
#include<bits/stdc++.h>
using namespace std;
const int N=1e6+10;
typedef long long ll;
typedef pair<ll,ll> PII;
typedef array<ll,2> a2;
typedef array<ll,3> a3;
ll n,m,k;
int a[N];
string S,T;
ll ne[N][26];
void __(){
cin>>S>>T;
n=S.size(),m=T.size();
S=" "+S,T=" "+T;
for(int i=0;i<26;i++){
ne[n+1][i]=n+1;
ne[n][i]=n+1;
}
for(int i=n-1;i>=0;i--){
for(int j=0;j<26;j++) ne[i][j]=ne[i+1][j];
ne[i][S[i+1]-'a']=i+1;
}
ll ans=0;
for(int i=1;i<=n;i++){
ll now=i-1;
for(int j=1;j<=m;j++){
int t=T[j]-'a';
now=ne[now][t];
now=min(now,n+1);
}
ans+=(n-now+1);
}
cout<<n*(n+1)/2-ans<<endl;
// dp[0][0]=1;
// for(int i=1;i<=n;i++){
// dp[i][0]=1;
// for(int j=1;j<=m;j++){
// }
// }
}
int main(){
ios::sync_with_stdio(0);
cin.tie(0);
int _=1;
// cin>>_;
while(_--){
__();
}
}
Submission Info
| Submission Time | |
|---|---|
| Task | D - No-Subsequence Substring |
| User | zhishengie |
| Language | C++23 (GCC 15.2.0) |
| Score | 400 |
| Code Size | 1045 Byte |
| Status | AC |
| Exec Time | 48 ms |
| Memory | 44560 KiB |
Judge Result
| Set Name | Sample | All | ||||
|---|---|---|---|---|---|---|
| Score / Max Score | 0 / 0 | 400 / 400 | ||||
| Status |
|
|
| Set Name | Test Cases |
|---|---|
| Sample | 00_sample_00.txt, 00_sample_01.txt, 00_sample_02.txt |
| All | 00_sample_00.txt, 00_sample_01.txt, 00_sample_02.txt, 01_random_03.txt, 01_random_04.txt, 01_random_05.txt, 01_random_06.txt, 01_random_07.txt, 01_random_08.txt, 01_random_09.txt, 01_random_10.txt, 01_random_11.txt, 01_random_12.txt, 01_random_13.txt, 01_random_14.txt, 01_random_15.txt, 01_random_16.txt, 01_random_17.txt, 01_random_18.txt, 01_random_19.txt, 01_random_20.txt, 01_random_21.txt, 01_random_22.txt, 01_random_23.txt, 01_random_24.txt, 01_random_25.txt, 01_random_26.txt, 01_random_27.txt, 01_random_28.txt, 01_random_29.txt, 01_random_30.txt, 01_random_31.txt, 01_random_32.txt, 01_random_33.txt, 01_random_34.txt, 01_random_35.txt, 01_random_36.txt, 01_random_37.txt, 01_random_38.txt, 01_random_39.txt, 01_random_40.txt, 01_random_41.txt, 01_random_42.txt, 01_random_43.txt, 01_random_44.txt, 01_random_45.txt, 01_random_46.txt, 01_random_47.txt, 01_random_48.txt, 01_random_49.txt, 01_random_50.txt, 01_random_51.txt, 01_random_52.txt, 01_random_53.txt, 01_random_54.txt, 01_random_55.txt |
| Case Name | Status | Exec Time | Memory |
|---|---|---|---|
| 00_sample_00.txt | AC | 1 ms | 3688 KiB |
| 00_sample_01.txt | AC | 1 ms | 3520 KiB |
| 00_sample_02.txt | AC | 1 ms | 3624 KiB |
| 01_random_03.txt | AC | 25 ms | 29056 KiB |
| 01_random_04.txt | AC | 30 ms | 30568 KiB |
| 01_random_05.txt | AC | 13 ms | 18284 KiB |
| 01_random_06.txt | AC | 15 ms | 17492 KiB |
| 01_random_07.txt | AC | 16 ms | 24916 KiB |
| 01_random_08.txt | AC | 32 ms | 44496 KiB |
| 01_random_09.txt | AC | 39 ms | 44428 KiB |
| 01_random_10.txt | AC | 33 ms | 44484 KiB |
| 01_random_11.txt | AC | 44 ms | 44392 KiB |
| 01_random_12.txt | AC | 22 ms | 44476 KiB |
| 01_random_13.txt | AC | 22 ms | 44488 KiB |
| 01_random_14.txt | AC | 35 ms | 44408 KiB |
| 01_random_15.txt | AC | 36 ms | 44476 KiB |
| 01_random_16.txt | AC | 42 ms | 44400 KiB |
| 01_random_17.txt | AC | 35 ms | 44400 KiB |
| 01_random_18.txt | AC | 23 ms | 44332 KiB |
| 01_random_19.txt | AC | 45 ms | 44408 KiB |
| 01_random_20.txt | AC | 34 ms | 44472 KiB |
| 01_random_21.txt | AC | 24 ms | 44388 KiB |
| 01_random_22.txt | AC | 41 ms | 44480 KiB |
| 01_random_23.txt | AC | 43 ms | 44560 KiB |
| 01_random_24.txt | AC | 40 ms | 44408 KiB |
| 01_random_25.txt | AC | 48 ms | 44396 KiB |
| 01_random_26.txt | AC | 31 ms | 44412 KiB |
| 01_random_27.txt | AC | 36 ms | 44440 KiB |
| 01_random_28.txt | AC | 39 ms | 44468 KiB |
| 01_random_29.txt | AC | 37 ms | 44332 KiB |
| 01_random_30.txt | AC | 34 ms | 44408 KiB |
| 01_random_31.txt | AC | 35 ms | 44392 KiB |
| 01_random_32.txt | AC | 20 ms | 44472 KiB |
| 01_random_33.txt | AC | 39 ms | 44468 KiB |
| 01_random_34.txt | AC | 37 ms | 44544 KiB |
| 01_random_35.txt | AC | 44 ms | 44484 KiB |
| 01_random_36.txt | AC | 41 ms | 44400 KiB |
| 01_random_37.txt | AC | 35 ms | 44440 KiB |
| 01_random_38.txt | AC | 34 ms | 44400 KiB |
| 01_random_39.txt | AC | 34 ms | 44408 KiB |
| 01_random_40.txt | AC | 26 ms | 40292 KiB |
| 01_random_41.txt | AC | 34 ms | 36028 KiB |
| 01_random_42.txt | AC | 35 ms | 38824 KiB |
| 01_random_43.txt | AC | 9 ms | 16276 KiB |
| 01_random_44.txt | AC | 28 ms | 33388 KiB |
| 01_random_45.txt | AC | 7 ms | 10988 KiB |
| 01_random_46.txt | AC | 37 ms | 38708 KiB |
| 01_random_47.txt | AC | 20 ms | 22796 KiB |
| 01_random_48.txt | AC | 7 ms | 16396 KiB |
| 01_random_49.txt | AC | 24 ms | 30360 KiB |
| 01_random_50.txt | AC | 21 ms | 37380 KiB |
| 01_random_51.txt | AC | 41 ms | 44440 KiB |
| 01_random_52.txt | AC | 18 ms | 44540 KiB |
| 01_random_53.txt | AC | 1 ms | 3524 KiB |
| 01_random_54.txt | AC | 1 ms | 3600 KiB |
| 01_random_55.txt | AC | 1 ms | 3528 KiB |