oj.uz

Submission #369698

# Submission time Handle Problem Language Result Execution time Memory
369698 2021-02-22T08:34:08 Z Atill83 Rima (COCI17_rima) C++14
56 / 140
 358 ms 147436 KB 
#include <bits/stdc++.h>
#define ff first
#define ss second
#define endl '\n'
using namespace std;
const long long INF = (long long) 1e18;
const int mod = (int) 1e9+7;
const int MAXN = (int) 3e5+5;

typedef long long ll;
typedef unsigned long long ull;
typedef pair<int,int> pii;
typedef pair<ll,ll> pll;
ll n;

struct node {
    bool mark;
    int chain, ans;
    node * p[26];
    node(){
        chain = 0;
        mark = 0;
        ans = 0;
        for(int i = 0; i < 26; i++)
            p[i] = NULL;
    }
};

typedef node * pn;


pn root = new node;

void add(string & s){
    reverse(s.begin(), s.end());
    pn cur = root;
    for(char c: s){
        if(cur->p[c - 'a'] == NULL){
            cur->p[c - 'a'] = new node;
        }
        cur = cur->p[c - 'a'];
    }
    cur->mark = 1;
}

void dp(pn cur){

    for(int i = 0; i < 26; i++){
        if(cur->p[i] != NULL){
            dp(cur->p[i]);
            cur->chain += cur->p[i]->chain;
            cur->ans = max(cur->ans, cur->p[i]->ans);
        }
    }
    cur->ans = max(cur->ans, cur->chain);
    if(!cur->mark)
        cur->chain = 0;
    else
        cur->chain++;
}




int main(){
    ios_base::sync_with_stdio(false);
    cin.tie(nullptr);cout.tie(nullptr);

    #ifdef Local
        freopen("C:/Users/Admin/Desktop/Yazilim/C/IO/int.txt","r",stdin);
        freopen("C:/Users/Admin/Desktop/Yazilim/C/IO/out.txt","w",stdout);
    #endif

    cin>>n;

    for(int i = 0; i < n; i++){
        string s;
        cin>>s;
        add(s);        
    }

    dp(root);

    cout<<root->ans<<endl;

    #ifdef Local
        cout<<endl<<fixed<<setprecision(2)<<1000.0 * clock() / CLOCKS_PER_SEC<< " milliseconds ";
    #endif
}

Subtask #1
56.0 / 140.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 364 KB Output is correct
2 Correct 1 ms 364 KB Output is correct
3 Correct 1 ms 364 KB Output is correct
4 Incorrect 358 ms 147436 KB Output isn't correct
5 Correct 16 ms 3820 KB Output is correct
6 Incorrect 83 ms 81500 KB Output isn't correct
7 Incorrect 81 ms 81256 KB Output isn't correct
8 Incorrect 78 ms 80932 KB Output isn't correct
9 Incorrect 102 ms 86944 KB Output isn't correct
10 Incorrect 79 ms 80972 KB Output isn't correct