oj.uz

Submission #107986

# Submission time Handle Problem Language Result Execution time Memory
107986 2019-04-26T12:52:45 Z Frankenween Lozinke (COCI17_lozinke) C++17
90 / 100
 438 ms 13540 KB 
#ifdef LOCAL
#define _GLIBCXX_DEBUG
#endif
#include <bits/stdc++.h>

#define ull unsigned long long
#define pll pair<ll, ll>
#define mp make_pair
#define ll long long
#define pb push_back
#define deb(x) cout << #x << " = " << x << endl
#define all(x) x.begin(), x.end()
#define ld long double
const ll mod = (ll)1991674319;
const ll BASE = 47;
const ll inf = (ll)1e18;
const long double e = 2.718281828459;
const long double pi = 3.141592653;
const ld EPS = 1e-9;


using namespace std;


template <class T>
istream& operator>>(istream &in, vector<T> &arr) {
    for (T &cnt : arr) {
        in >> cnt;
    }
    return in;
};


void solve() {
    ll n;
    cin >> n;
    map<ll, ll> cnt;
    vector<string> arr(n);
    cin >> arr;
    for (int i = 0; i < n; i++) {
        ll h = 0;
        for (auto c : arr[i]) {
            h = (h * BASE + c - 'a' + 1) % mod;
        }
        cnt[h]++;
    }
    ll answer = 0;
    for (auto &s : arr) {
        set<ll> d;
        for (int i = 0; i < s.size(); i++) {
            ll h = 0;
            for (int j = i; j < s.size(); j++) {
                h = (h * BASE + s[j] - 'a' + 1) % mod;
                d.insert(h);
            }
        }
        for (auto i : d) {
            answer += cnt[i];
        }
        answer--;
    }
    cout << answer;
}


int main() {
#ifndef LOCAL
    ios_base::sync_with_stdio(0);
    cin.tie(0);
    cout.tie(0);
#else
    freopen("input.txt", "r", stdin);
    freopen("output.txt", "w", stdout);
#endif
    cout.precision(30);
    ll seed = time(0);
    //cerr << "Seed: " << seed << "\n";
    srand(seed);
    solve();
    return 0;
}

Compilation message

lozinke.cpp: In function 'void solve()':
lozinke.cpp:50:27: warning: comparison between signed and unsigned integer expressions [-Wsign-compare]
         for (int i = 0; i < s.size(); i++) {
                         ~~^~~~~~~~~~
lozinke.cpp:52:31: warning: comparison between signed and unsigned integer expressions [-Wsign-compare]
             for (int j = i; j < s.size(); j++) {
                             ~~^~~~~~~~~~

Subtask #1
90.0 / 100.0

# Verdict Execution time Memory Grader output
1 Correct 2 ms 384 KB Output is correct
2 Correct 3 ms 384 KB Output is correct
3 Correct 3 ms 384 KB Output is correct
4 Correct 3 ms 384 KB Output is correct
5 Correct 10 ms 640 KB Output is correct
6 Correct 10 ms 640 KB Output is correct
7 Correct 14 ms 1280 KB Output is correct
8 Correct 23 ms 1912 KB Output is correct
9 Correct 53 ms 2072 KB Output is correct
10 Correct 205 ms 6264 KB Output is correct
11 Correct 123 ms 3704 KB Output is correct
12 Correct 438 ms 13540 KB Output is correct
13 Correct 145 ms 2424 KB Output is correct
14 Incorrect 250 ms 12208 KB Output isn't correct
15 Correct 401 ms 13416 KB Output is correct
16 Correct 108 ms 1152 KB Output is correct
17 Correct 35 ms 1024 KB Output is correct
18 Correct 20 ms 1024 KB Output is correct
19 Incorrect 231 ms 7096 KB Output isn't correct
20 Correct 71 ms 1152 KB Output is correct