#include <bits/stdc++.h>
#include <ext/pb_ds/assoc_container.hpp>
#include <ext/pb_ds/tree_policy.hpp>
#warning Check Integer OverFlow
#define ll long long
#define rep(i,a,b) for(int i=a;i<b;i++)
#define maxs(a,b) if(b>a)a=b
#define mins(a,b) if(b<a)a=b
#define debug(x) cerr<<"["<<#x<<":"<<x<<"] "
#define debug2(a,b) debug(a);debug(b)
#define debug3(a,b,c) debug2(a,b);debug(c)
#define de cerr
#define gcd(a,b) __gcd(a,b)
#define lcm(a,b) (((a)/(__gcd(a,b))) * b)
#define print(arr) for(auto it = arr.begin();it < arr.end();it ++){cout << *it << " ";}cout << ln;
#define ordered_set tree<int, null_type,less<int>, rb_tree_tag,tree_order_statistics_node_update>
#define all(a) (a).begin(), (a).end()
#define vi vector<int>
#define v vector
#define p pair
#define pii p<int,int>
#define pb push_back
#define mk make_pair
#define f first
#define s second
#define ln "\n"
typedef long double ld;
using namespace std;
using namespace __gnu_pbds;
ll modF=1e9+7;
/*OUTPUT
*/
int N;
string a[20000];
int val[20000];
int dp[20000];
struct DSU{
vi pr;
vi size;
DSU(int n){
pr.assign(n,0);
size.assign(n,1);
rep(i,0,n){
pr[i] = i;
}
}
int root(int x){
if(pr[x] == x)return x;
return pr[x] = root(pr[x]);
}
void unite(int x,int y){
int rx = x;
int ry = y;
if(rx == ry)return;
if(size[rx] > size[ry]){
pr[ry] = rx;
size[rx] += size[ry];
}
else{
pr[rx] = ry;
size[ry] += size[rx];
}
}
bool same(int x,int y){
if(root(x) == root(y)){
return true;
}
return false;
}
};
bool cmp(string ax,string bx){
return ax.length() < bx.length();
}
bool sub(int i,int j){
int l1 = a[i].length();
int l2 = a[j].length();
for(int it = 0;it <= l1 - l2;it ++){
bool pos = true;
for(int k = it;k < it + l2;k ++){
if(a[i][k] != a[j][k - it])
pos = false;
}
if(pos){
return true;
}
}
return false;
// int pi[l2];
// pi[0] = 0;
// for(int it = 1;it < l2;it ++){
// int h = pi[it - 1];
// while(h > 0 and a[j][h] != a[j][it]){
// h = pi[h - 1];
// }
// if(a[j][it] == a[j][h]){
// h ++;
// }
// pi[it] = h;
// }
// // debug2(a[i],a[j])
// // for(auto e:pi){
// // debug(e);
// // }
// // de << ln;
// int it1 = 0;
// int it2 = 0;
// while(it1 < l1){
// while(it2 < l2 and it1 < l1 and a[i][it1] == a[j][it2]){
// it1 ++;
// it2 ++;
// }
// if(it2 == 0){
// it1 ++;
// continue;
// }
// if(it2 == l2){
// return true;
// }
// it2 = pi[it2 - 1];
// }
// return false;
}
void solve(){
cin >> N;
rep(i,0,N){
cin >> a[i];
val[i] = 0;
}
DSU d(N);
sort(a,a + N,cmp);
int ans = 0;
for(int i = N - 1;i >= 0;i --){
for(int j = i + 1;j < N;j ++){
if(a[i] == a[j]){
ans += 2;
}
else if(d.same(j,i)){
ans ++;
}
else if(sub(j,i)){
d.unite(j,i);
ans ++;
}
}
}
cout << ans << ln;
}
int main(){
ios::sync_with_stdio(0);cin.tie(0);
int t = 1;
// cin >> t;
while(t --){
solve();
}
}
Compilation message
lozinke.cpp:4:2: warning: #warning Check Integer OverFlow [-Wcpp]
4 | #warning Check Integer OverFlow
| ^~~~~~~
| # |
Verdict |
Execution time |
Memory |
Grader output |
| 1 |
Correct |
1 ms |
1024 KB |
Output is correct |
| 2 |
Incorrect |
1 ms |
1024 KB |
Output isn't correct |
| 3 |
Incorrect |
1 ms |
1024 KB |
Output isn't correct |
| 4 |
Incorrect |
3 ms |
1024 KB |
Output isn't correct |
| 5 |
Incorrect |
12 ms |
1024 KB |
Output isn't correct |
| 6 |
Incorrect |
28 ms |
1024 KB |
Output isn't correct |
| 7 |
Incorrect |
42 ms |
1024 KB |
Output isn't correct |
| 8 |
Correct |
39 ms |
1024 KB |
Output is correct |
| 9 |
Execution timed out |
1096 ms |
1152 KB |
Time limit exceeded |
| 10 |
Correct |
978 ms |
1224 KB |
Output is correct |
| 11 |
Execution timed out |
1091 ms |
1280 KB |
Time limit exceeded |
| 12 |
Execution timed out |
1092 ms |
1280 KB |
Time limit exceeded |
| 13 |
Execution timed out |
1085 ms |
1280 KB |
Time limit exceeded |
| 14 |
Execution timed out |
1092 ms |
1280 KB |
Time limit exceeded |
| 15 |
Execution timed out |
1090 ms |
1280 KB |
Time limit exceeded |
| 16 |
Execution timed out |
1093 ms |
1280 KB |
Time limit exceeded |
| 17 |
Execution timed out |
1068 ms |
1400 KB |
Time limit exceeded |
| 18 |
Execution timed out |
1093 ms |
1280 KB |
Time limit exceeded |
| 19 |
Execution timed out |
1089 ms |
1280 KB |
Time limit exceeded |
| 20 |
Execution timed out |
1095 ms |
1280 KB |
Time limit exceeded |
