Submission #1078659

# Submission time Handle Problem Language Result Execution time Memory
1078659 2024-08-28T03:20:49 Z mamama Lozinke (COCI17_lozinke) C++14
0 / 100
1000 ms 5980 KB
#include<bits/stdc++.h>
using namespace std;
const long long mod1 = 1000000007;
const long long mod2 = 79462751;
long long n, powa[15], powb[15], res;
pair<long long, long long> caidautien;
pair<long long, long long> luugiu, chimotdemnuathoi;
pair<long long, long long> hasha[20005][15];
string s[20005];
pair<long long, long long> hashh(long long l, long long r, long long k)
{
    caidautien.first = ((hasha[k][r].first - hasha[k][l - 1].first * powa[r - l + 1] + mod1*mod1) % mod1);
    caidautien.second = ((hasha[k][r].second - hasha[k][l - 1].second * powb[r - l + 1] + mod2*mod2) % mod2);
    return caidautien;
}
int main()
{
    ios_base::sync_with_stdio(0);
    cin.tie();
    cout.tie();
    cin >> n;
    powa[0] = 1;
    powb[0] = 1;
    for (long long i = 1; i <= 12; i++)
    {
        powa[i] = powa[i - 1]*30 % mod1;
        powb[i] = powb[i - 1]*28 % mod2;
    }
    for (long long i = 1; i <= n; i++)
    {
        cin >> s[i];
        s[i] = "!" + s[i];
        for (long long j = 1; j <= s[i].length() - 1; j++)
        {
            hasha[i][j].first = (hasha[i][j - 1].first*30 + (s[i][j] - 'a' + 1)) % mod1;
            hasha[i][j].second = (hasha[i][j - 1].second*28 + (s[i][j] - 'a' + 1)) % mod2;
        }
    }
    res = 0;
    for (long long i = 1; i <= n; i++)
    {
        luugiu = hashh(1, s[i].length() - 1, i);
        for (long long j = 1; j <= n; j++)
        {
            // cout << "\n" << i << " " << j << "\n";
            if (i == j)
            {
                continue;
            } 
        
            for (long long k = 1; k <= s[j].length() - s[i].length() + 1; k++)
            {
                // cout << k << " " << k + s[i].length() - 2 << " - ";
                chimotdemnuathoi = hashh(k, k + s[i].length() - 2, j);
                if (chimotdemnuathoi.first == luugiu.first && chimotdemnuathoi.second == luugiu.second)
                {
                    res++;
                    // cout << "ok\n";
                    break;
                }
            }
        }
    }
    cout << res;
}

Compilation message

lozinke.cpp: In function 'int main()':
lozinke.cpp:33:33: warning: comparison of integer expressions of different signedness: 'long long int' and 'std::__cxx11::basic_string<char>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   33 |         for (long long j = 1; j <= s[i].length() - 1; j++)
      |                               ~~^~~~~~~~~~~~~~~~~~~~
lozinke.cpp:51:37: warning: comparison of integer expressions of different signedness: 'long long int' and 'std::__cxx11::basic_string<char>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   51 |             for (long long k = 1; k <= s[j].length() - s[i].length() + 1; k++)
      |                                   ~~^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
# Verdict Execution time Memory Grader output
1 Incorrect 82 ms 860 KB Output isn't correct
2 Incorrect 472 ms 860 KB Output isn't correct
3 Execution timed out 1027 ms 1112 KB Time limit exceeded
4 Execution timed out 1043 ms 1116 KB Time limit exceeded
5 Execution timed out 1082 ms 1112 KB Time limit exceeded
6 Execution timed out 1040 ms 1368 KB Time limit exceeded
7 Execution timed out 1060 ms 1372 KB Time limit exceeded
8 Execution timed out 1038 ms 1368 KB Time limit exceeded
9 Execution timed out 1004 ms 3416 KB Time limit exceeded
10 Execution timed out 1086 ms 3420 KB Time limit exceeded
11 Execution timed out 1045 ms 4700 KB Time limit exceeded
12 Execution timed out 1042 ms 4696 KB Time limit exceeded
13 Execution timed out 1055 ms 5724 KB Time limit exceeded
14 Execution timed out 1059 ms 5720 KB Time limit exceeded
15 Execution timed out 1030 ms 5720 KB Time limit exceeded
16 Execution timed out 1049 ms 5980 KB Time limit exceeded
17 Execution timed out 1049 ms 5976 KB Time limit exceeded
18 Execution timed out 1070 ms 5724 KB Time limit exceeded
19 Execution timed out 1036 ms 5720 KB Time limit exceeded
20 Execution timed out 1033 ms 5724 KB Time limit exceeded