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Submission #1078058

# Submission time Handle Problem Language Result Execution time Memory
1078058 2024-08-27T12:07:31 Z khactrung1912 Lozinke (COCI17_lozinke) C++14
55 / 100
 156 ms 3748 KB 
#include <bits/stdc++.h>
 
using namespace std;
 
const int nx=2e4+5, mod=23071997;
 
#define ll long long
 
ll n, c[nx][12], sz[nx], res, p[nx], vl[nx];
string s;
map<ll, ll> mp;
 
int main()
{
    cin.tie(NULL)->sync_with_stdio(false);
    p[0]=1;
    for (int i=1; i<=10; i++) p[i]=(p[i-1]*30)%mod;
    cin>>n;
    for (int i=1; i<=n; i++)
    {
        cin>>s;
        sz[i]=s.size();
        for (int j=1; j<=sz[i]; j++) c[i][j]=s[j-1]-'a'+1;
    }
    for (int i=1; i<=n; i++)
    {
        set<ll> s;
        for (int j=1; j<=sz[i]; j++)
        {
            ll tmp=0;
            for (int k=j; k<=sz[i]; k++)
            {
                tmp=(tmp+c[i][k]*p[k-j])%mod;
                s.insert(tmp);
                if (j==1&&k==sz[i]) vl[i]=tmp;
            }
        }
        for (auto x:s) if (mp.find(x)!=mp.end()) res+=mp[x];
        mp[vl[i]]++;
    }
    mp.clear();
    for (int i=n; i>=1; i--)
    {
        set<ll> s;
        for (int j=1; j<=sz[i]; j++)
        {
            ll tmp=0;
            for (int k=j; k<=sz[i]; k++)
            {
                tmp=(tmp+c[i][k]*p[k-j])%mod;
                s.insert(tmp);
            }
        }
        for (auto x:s) if (mp.find(x)!=mp.end()) res+=mp[x];
        mp[vl[i]]++;
    }
    cout<<res;
}

Subtask #1
55.0 / 100.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 344 KB Output is correct
2 Correct 0 ms 344 KB Output is correct
3 Correct 1 ms 348 KB Output is correct
4 Correct 2 ms 348 KB Output is correct
5 Correct 5 ms 600 KB Output is correct
6 Correct 8 ms 604 KB Output is correct
7 Incorrect 10 ms 808 KB Output isn't correct
8 Incorrect 12 ms 604 KB Output isn't correct
9 Incorrect 62 ms 1812 KB Output isn't correct
10 Incorrect 69 ms 1972 KB Output isn't correct
11 Incorrect 85 ms 2548 KB Output isn't correct
12 Incorrect 138 ms 2640 KB Output isn't correct
13 Correct 134 ms 3412 KB Output is correct
14 Incorrect 144 ms 3664 KB Output isn't correct
15 Incorrect 156 ms 3748 KB Output isn't correct
16 Correct 112 ms 2896 KB Output is correct
17 Correct 25 ms 2652 KB Output is correct
18 Correct 29 ms 2652 KB Output is correct
19 Incorrect 135 ms 3412 KB Output isn't correct
20 Correct 77 ms 2652 KB Output is correct