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Submission #966597

# Submission time Handle Problem Language Result Execution time Memory
966597 2024-04-20T06:16:48 Z 12345678 Lozinke (COCI17_lozinke) C++17
90 / 100
 156 ms 3764 KB 
#include <bits/stdc++.h>

using namespace std;

const int nx=2e4+5, mod=1e9+9;

#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
90.0 / 100.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 2396 KB Output is correct
2 Correct 1 ms 2392 KB Output is correct
3 Correct 1 ms 2396 KB Output is correct
4 Correct 1 ms 2396 KB Output is correct
5 Correct 6 ms 2396 KB Output is correct
6 Correct 9 ms 2396 KB Output is correct
7 Correct 11 ms 2396 KB Output is correct
8 Correct 12 ms 2660 KB Output is correct
9 Correct 64 ms 2908 KB Output is correct
10 Correct 66 ms 2904 KB Output is correct
11 Correct 89 ms 3152 KB Output is correct
12 Incorrect 126 ms 3152 KB Output isn't correct
13 Correct 137 ms 3664 KB Output is correct
14 Correct 140 ms 3764 KB Output is correct
15 Incorrect 156 ms 3408 KB Output isn't correct
16 Correct 123 ms 2652 KB Output is correct
17 Correct 30 ms 2648 KB Output is correct
18 Correct 23 ms 2852 KB Output is correct
19 Correct 143 ms 3524 KB Output is correct
20 Correct 89 ms 2892 KB Output is correct