#include <bits/stdc++.h>
using namespace std;
#define FOR(i, a, b) for(int i = (a); i < (b); ++i)
#define REP(i, n) FOR(i, 0, n)
#define _ << " " <<
#define sz(x) (int)x.size()
#define pb(x) push_back(x)
typedef long long ll;
typedef pair<int, int> point;
const int MAXN = 2e4 + 5;
string s[MAXN];
unordered_map<string, int> M;
int main(){
ios_base::sync_with_stdio(false); cin.tie(0);
int n; cin >> n;
REP(i, n){
cin >> s[i];
M[s[i]] ++;
}
ll sol = 0;
REP(i, n){
unordered_set<string> S;
REP(j, sz(s[i])){
string x = "";
FOR(k, j, sz(s[i])){
x += s[i][k];
S.insert(x);
}
}
for(auto it : S)
sol += M[it];
}
cout << sol - n;
}
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
3 ms |
1016 KB |
Output is correct |
2 |
Correct |
3 ms |
1108 KB |
Output is correct |
3 |
Correct |
3 ms |
1108 KB |
Output is correct |
4 |
Correct |
4 ms |
1108 KB |
Output is correct |
5 |
Correct |
10 ms |
1368 KB |
Output is correct |
6 |
Correct |
13 ms |
1384 KB |
Output is correct |
7 |
Correct |
17 ms |
2320 KB |
Output is correct |
8 |
Correct |
24 ms |
3016 KB |
Output is correct |
9 |
Correct |
59 ms |
3016 KB |
Output is correct |
10 |
Correct |
114 ms |
7896 KB |
Output is correct |
11 |
Correct |
94 ms |
7896 KB |
Output is correct |
12 |
Correct |
258 ms |
16408 KB |
Output is correct |
13 |
Correct |
159 ms |
16408 KB |
Output is correct |
14 |
Correct |
177 ms |
16408 KB |
Output is correct |
15 |
Correct |
286 ms |
16460 KB |
Output is correct |
16 |
Correct |
187 ms |
16460 KB |
Output is correct |
17 |
Correct |
71 ms |
16460 KB |
Output is correct |
18 |
Correct |
53 ms |
16460 KB |
Output is correct |
19 |
Correct |
202 ms |
16460 KB |
Output is correct |
20 |
Correct |
105 ms |
16460 KB |
Output is correct |