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Submission #966601

# Submission time Handle Problem Language Result Execution time Memory
966601 2024-04-20T06:20:23 Z 12345678 Lozinke (COCI17_lozinke) C++17
80 / 100
 144 ms 3920 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]*31)%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
80.0 / 100.0

# Verdict Execution time Memory Grader output
1 Correct 2 ms 2396 KB Output is correct
2 Correct 1 ms 2512 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 2392 KB Output is correct
6 Correct 9 ms 2396 KB Output is correct
7 Correct 12 ms 2548 KB Output is correct
8 Correct 12 ms 2396 KB Output is correct
9 Correct 65 ms 2996 KB Output is correct
10 Correct 67 ms 3076 KB Output is correct
11 Correct 99 ms 3296 KB Output is correct
12 Incorrect 128 ms 3364 KB Output isn't correct
13 Correct 135 ms 3764 KB Output is correct
14 Incorrect 144 ms 3920 KB Output isn't correct
15 Incorrect 141 ms 3664 KB Output isn't correct
16 Correct 124 ms 2892 KB Output is correct
17 Correct 30 ms 3180 KB Output is correct
18 Correct 23 ms 2908 KB Output is correct
19 Incorrect 138 ms 3692 KB Output isn't correct
20 Correct 89 ms 3040 KB Output is correct