#include <bits/stdc++.h>
#define endl "\n"
using namespace std;
const int MAX_SIZE = 26;
struct node{
node *arr[MAX_SIZE];
int end;
int maxi;
};
node *getNode(){
node *nnode = new node;
nnode -> end = 0;
nnode -> maxi = 0;
for(int i = 0; i < MAX_SIZE; i ++){
nnode -> arr[i] = NULL;
}
return nnode;
}
void insert_node(node *root, string s){
node *cur = root;
for(char i : s){
int id = i - 'a';
if(!cur -> arr[id]){
cur ->arr[id] = getNode();
}
cur = cur -> arr[id];
}
cur -> end ++;
cur -> maxi = 1;
}
void DFS1(node *root, string s){
for(int i = 0; i < MAX_SIZE; i ++){
if(root -> arr[i]){
DFS1(root -> arr[i], s + char(i +'a'));
root -> maxi = max(root -> arr[i] -> maxi + 1, root -> maxi);
}
}
}
void DFS(node *root, string &s){
for(int i = 0; i < root -> end; i ++){
s.push_back('P');
}
for(int i = 0; i < MAX_SIZE; i ++){
int great = -1;
for(int j = 0; j < MAX_SIZE; j ++){
if(root -> arr[i]){
if(great == -1){
great = j;
}
else if(root -> arr[great] -> maxi < root -> arr[j] -> maxi){
great = j;
}
}
}
if(great == -1) break;
s.push_back(i+'a');
DFS(root -> arr[i], s);
}
s.push_back('-');
}
int main()
{
ios_base::sync_with_stdio(0);
cin.tie(0);
int N;
cin >> N;
node *trie = getNode();
vector<string> arr(N);
for(string &i : arr){
cin >> i;
insert_node(trie, i);
}
string ans;
DFS1(trie, "");
DFS(trie, ans);
cout << int(ans.size()) - trie -> maxi << endl;
for(int i = 0; i < int(ans.size()) - trie -> maxi; i ++){
cout << ans[i] << endl;
}
return 0;
}
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Incorrect |
0 ms |
212 KB |
Integer parameter [name=M] equals to -19, violates the range [0, 10000000] |
2 |
Halted |
0 ms |
0 KB |
- |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Incorrect |
0 ms |
212 KB |
Integer parameter [name=M] equals to -20, violates the range [0, 10000000] |
2 |
Halted |
0 ms |
0 KB |
- |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Incorrect |
0 ms |
340 KB |
Integer parameter [name=M] equals to -18, violates the range [0, 10000000] |
2 |
Halted |
0 ms |
0 KB |
- |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Incorrect |
0 ms |
340 KB |
Integer parameter [name=M] equals to -17, violates the range [0, 10000000] |
2 |
Halted |
0 ms |
0 KB |
- |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Runtime error |
1 ms |
596 KB |
Execution killed with signal 11 |
2 |
Halted |
0 ms |
0 KB |
- |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Runtime error |
3 ms |
3376 KB |
Execution killed with signal 11 |
2 |
Halted |
0 ms |
0 KB |
- |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Runtime error |
9 ms |
11604 KB |
Execution killed with signal 11 |
2 |
Halted |
0 ms |
0 KB |
- |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Runtime error |
27 ms |
29184 KB |
Execution killed with signal 11 |
2 |
Halted |
0 ms |
0 KB |
- |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Runtime error |
67 ms |
73020 KB |
Execution killed with signal 11 |
2 |
Halted |
0 ms |
0 KB |
- |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Runtime error |
56 ms |
57292 KB |
Execution killed with signal 11 |
2 |
Halted |
0 ms |
0 KB |
- |