oj.uz

Submission #799405

# Submission time Handle Problem Language Result Execution time Memory
799405 2023-07-31T13:54:48 Z yeediot Type Printer (IOI08_printer) C++17
100 / 100
 242 ms 123456 KB 
#include<bits/stdc++.h>
using namespace std;
#define int long long
#define F first
#define S second
#define all(x) x.begin(),x.end()
#define pii pair<int,int>
#define pb push_back
#define sz(x) (int)(x.size())
#define chmin(x,y) x=min(x,y)
#define chmax(x,y) x=max(x,y)
#define vi vector<int>
#define vp vector<pii>
#define vvi vector<vi>
const int mxn=25005;
const int ascii=26;
int t[mxn*ascii][ascii];
int nxt=1;
vector<string>s;
vector<char>op;
map<int,int>mp;
int d[mxn*ascii];
void add(string s){
    int i=0,v=0;
    while(i<sz(s)){
        d[v]=max(d[v],sz(s)-i);
        if(t[v][s[i]-'a']){
            v=t[v][s[i++]-'a'];
        }
        else{
            v=t[v][s[i++]-'a']=nxt++;
        }
    }
    mp[v]=1;
}
int ans=0;
void dfs(int v){
    vp ord;
    if(mp[v]){
        op.pb('P');
        ans++;
    }
    for(int i=0;i<26;i++){
        if(t[v][i]){
            ord.pb({d[t[v][i]],i});
        }
    }
    sort(all(ord));
    for(int i=0;i<sz(ord);i++){
        op.pb(ord[i].S+'a');
        ans++;
        dfs(t[v][ord[i].S]);
        op.pb('-');
        ans++;
    }
}
signed main(){
    ios::sync_with_stdio(0);
    cin.tie(0);cout.tie(0);
    int n;
    cin>>n;
    for(int i=0;i<n;i++){
        string temp;
        cin>>temp;
        add(temp);
    }
    dfs(0);
    while(op.back()=='-'){
        op.pop_back();
        ans--;
    }
    cout<<ans<<'\n';
    for(auto i:op)cout<<i<<'\n';
    
}
 /*
 input:
 
 */

Subtask #1
10.0 / 10.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 212 KB Output is correct
2 Correct 0 ms 340 KB Output is correct

Subtask #2
10.0 / 10.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 340 KB Output is correct
2 Correct 0 ms 340 KB Output is correct

Subtask #3
10.0 / 10.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 340 KB Output is correct
2 Correct 1 ms 340 KB Output is correct

Subtask #4
10.0 / 10.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 340 KB Output is correct
2 Correct 1 ms 340 KB Output is correct

Subtask #5
10.0 / 10.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 468 KB Output is correct
2 Correct 3 ms 1364 KB Output is correct

Subtask #6
10.0 / 10.0

# Verdict Execution time Memory Grader output
1 Correct 3 ms 2132 KB Output is correct
2 Correct 4 ms 2644 KB Output is correct

Subtask #7
10.0 / 10.0

# Verdict Execution time Memory Grader output
1 Correct 13 ms 7212 KB Output is correct
2 Correct 34 ms 15416 KB Output is correct

Subtask #8
10.0 / 10.0

# Verdict Execution time Memory Grader output
1 Correct 30 ms 17972 KB Output is correct
2 Correct 14 ms 4024 KB Output is correct

Subtask #9
10.0 / 10.0

# Verdict Execution time Memory Grader output
1 Correct 82 ms 44992 KB Output is correct
2 Correct 197 ms 103788 KB Output is correct
3 Correct 128 ms 53340 KB Output is correct

Subtask #10
10.0 / 10.0

# Verdict Execution time Memory Grader output
1 Correct 65 ms 35144 KB Output is correct
2 Correct 242 ms 123456 KB Output is correct
3 Correct 126 ms 60608 KB Output is correct
4 Correct 200 ms 116584 KB Output is correct