#include<bits/stdc++.h>
#define mp make_pair
#define pb push_back
#define ii pair<int,int>
#define all(x) (x).begin(),(x).end()
#define INF 100000000000000000
#define modulo 1000000007
#define mod 998244353
#define int long long int
using namespace std;
int32_t main(){
ios_base::sync_with_stdio(false);
cin.tie(NULL);
// freopen("q.gir","r",stdin);
// freopen("q.cik","w",stdout);
int n;
cin>>n;
vector<string>arr(n);
vector<int>H[n];
map<int,int>data;
for(int i=0;i<n;i++){
string s;
set<int> S;
cin>>s;
arr[i]=s;
H[i].resize(s.length()+1,0);
for(int j=1;j<=s.length();j++){
H[i][j]=(H[i][j-1]*29+s[j-1]-'a'+1)%modulo;
}
int K=29;
for(int j=1;j<=s.length();j++){
K=29;
for(int k=j-1;k>=0;k--){
S.insert((H[i][j]-H[i][k]*K%modulo+modulo)%modulo);
K=K*29%modulo;
}
}
for(set<int>::iterator itr=S.begin();itr!=S.end();itr++){
data[*itr]++;
}
}
int ans=0;
for(int i=0;i<n;i++){
ans+=data[H[i].back()]-1;
}
cout<<ans;
}
Compilation message
lozinke.cpp: In function 'int32_t main()':
lozinke.cpp:28:26: warning: comparison between signed and unsigned integer expressions [-Wsign-compare]
for(int j=1;j<=s.length();j++){
~^~~~~~~~~~~~
lozinke.cpp:32:26: warning: comparison between signed and unsigned integer expressions [-Wsign-compare]
for(int j=1;j<=s.length();j++){
~^~~~~~~~~~~~
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
2 ms |
376 KB |
Output is correct |
2 |
Correct |
2 ms |
376 KB |
Output is correct |
3 |
Correct |
2 ms |
376 KB |
Output is correct |
4 |
Correct |
3 ms |
376 KB |
Output is correct |
5 |
Correct |
8 ms |
760 KB |
Output is correct |
6 |
Correct |
11 ms |
888 KB |
Output is correct |
7 |
Correct |
15 ms |
1400 KB |
Output is correct |
8 |
Correct |
26 ms |
2168 KB |
Output is correct |
9 |
Correct |
57 ms |
2936 KB |
Output is correct |
10 |
Incorrect |
153 ms |
7160 KB |
Output isn't correct |
11 |
Correct |
98 ms |
5104 KB |
Output is correct |
12 |
Correct |
369 ms |
15324 KB |
Output is correct |
13 |
Correct |
158 ms |
4644 KB |
Output is correct |
14 |
Incorrect |
238 ms |
13944 KB |
Output isn't correct |
15 |
Incorrect |
379 ms |
15496 KB |
Output isn't correct |
16 |
Correct |
152 ms |
3704 KB |
Output is correct |
17 |
Correct |
35 ms |
3576 KB |
Output is correct |
18 |
Correct |
28 ms |
3192 KB |
Output is correct |
19 |
Correct |
217 ms |
9024 KB |
Output is correct |
20 |
Correct |
74 ms |
3064 KB |
Output is correct |