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답안 #200895

# 제출 시각 아이디 문제 언어 결과 실행 시간 메모리
200895 2020-02-08T12:52:08 Z SamAnd Lozinke (COCI17_lozinke) C++17
100 / 100
 112 ms 8440 KB 
#include <bits/stdc++.h>
using namespace std;
const int N = 20004;

int n;
string a[N];

int z;
int t[N * 11][26];
int q[N * 11];

int main()
{
    cin >> n;
    for (int i = 0; i < n; ++i)
        cin >> a[i];
    for (int i = 0; i < n; ++i)
    {
        int m = a[i].size();
        int pos = 0;
        for (int j = 0; j < m; ++j)
        {
            if (!t[pos][a[i][j] - 'a'])
                t[pos][a[i][j] - 'a'] = ++z;
            pos = t[pos][a[i][j] - 'a'];
        }
        ++q[pos];
    }
    long long ans = 0;
    for (int i = 0; i < n; ++i)
    {
        int m = a[i].size();
        set<int> s;
        for (int l = 0; l < m; ++l)
        {
            int pos = 0;
            for (int j = l; j < m; ++j)
            {
                if (!t[pos][a[i][j] - 'a'])
                    break;
                pos = t[pos][a[i][j] - 'a'];
                if (s.find(pos) == s.end())
                    ans += q[pos];
                s.insert(pos);
            }
        }
        --ans;
    }
    cout << ans << endl;
    return 0;
}

Subtask #1
100.0 / 100.0

# 결과 실행 시간 메모리 Grader output
1 Correct 5 ms 888 KB Output is correct
2 Correct 5 ms 888 KB Output is correct
3 Correct 6 ms 1016 KB Output is correct
4 Correct 6 ms 1016 KB Output is correct
5 Correct 8 ms 1272 KB Output is correct
6 Correct 11 ms 1272 KB Output is correct
7 Correct 10 ms 1528 KB Output is correct
8 Correct 11 ms 1784 KB Output is correct
9 Correct 33 ms 2540 KB Output is correct
10 Correct 38 ms 4472 KB Output is correct
11 Correct 46 ms 3576 KB Output is correct
12 Correct 65 ms 7800 KB Output is correct
13 Correct 95 ms 3192 KB Output is correct
14 Correct 52 ms 8056 KB Output is correct
15 Correct 71 ms 8440 KB Output is correct
16 Correct 112 ms 1400 KB Output is correct
17 Correct 48 ms 1144 KB Output is correct
18 Correct 37 ms 1144 KB Output is correct
19 Correct 66 ms 5496 KB Output is correct
20 Correct 62 ms 1284 KB Output is correct