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Submission #966602

# Submission time Handle Problem Language Result Execution time Memory
966602 2024-04-20T06:20:55 Z 12345678 Lozinke (COCI17_lozinke) C++17
85 / 100
 152 ms 3668 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]*97)%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
85.0 / 100.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 2392 KB Output is correct
2 Correct 1 ms 2396 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 12 ms 2396 KB Output is correct
8 Correct 13 ms 2396 KB Output is correct
9 Correct 57 ms 2900 KB Output is correct
10 Correct 71 ms 2896 KB Output is correct
11 Correct 97 ms 3152 KB Output is correct
12 Incorrect 138 ms 2992 KB Output isn't correct
13 Correct 144 ms 3344 KB Output is correct
14 Incorrect 147 ms 3668 KB Output isn't correct
15 Incorrect 152 ms 3488 KB Output isn't correct
16 Correct 142 ms 2988 KB Output is correct
17 Correct 31 ms 2652 KB Output is correct
18 Correct 23 ms 2648 KB Output is correct
19 Correct 143 ms 3548 KB Output is correct
20 Correct 90 ms 2888 KB Output is correct