Submission #530953

#	Time	Username	Problem	Language	Result	Execution time	Memory
530953		Tenis0206	Trener (COCI20_trener)	C++11	55 / 110	2079 ms	10712 KiB

trener

#include <bits/stdc++.h>

using namespace std;

const int Mod = 1e9 + 7;

int n,k;
int dp[1505];

string s[1505];

map<string,int> dps,fc;

int main()
{
    ios::sync_with_stdio(false);
    cin.tie(0);
    cin>>n>>k;
    for(int j=1; j<=k; j++)
    {
        cin>>s[j];
        ++dps[s[j]];
    }
    for(int i=2; i<=n; i++)
    {
        for(int j=1; j<=k; j++)
        {
            dp[j] = 0;
        }
        for(int j=1; j<=k; j++)
        {
            cin>>s[j];
            fc.clear();
            for(int st=0; st<s[j].size(); st++)
            {
                string aux;
                for(int dr=st; dr<s[j].size(); dr++)
                {
                    aux.push_back(s[j][dr]);
                    if(!fc[aux])
                    {
                        dp[j] += dps[aux];
                        dp[j] %= Mod;
                    }
                    ++fc[aux];
                }
            }
        }
        dps.clear();
        for(int j=1; j<=k; j++)
        {
            dps[s[j]] += dp[j];
            dps[s[j]] %= Mod;
        }
    }
    int rez = 0;
    for(int j=1; j<=k; j++)
    {
        rez += dp[j];
        rez %= Mod;
    }
    cout<<rez<<'\n';
    return 0;
}

Compilation message (stderr)

trener.cpp: In function 'int main()':
trener.cpp:34:29: warning: comparison of integer expressions of different signedness: 'int' and 'std::__cxx11::basic_string<char>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   34 |             for(int st=0; st<s[j].size(); st++)
      |                           ~~^~~~~~~~~~~~
trener.cpp:37:34: warning: comparison of integer expressions of different signedness: 'int' and 'std::__cxx11::basic_string<char>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   37 |                 for(int dr=st; dr<s[j].size(); dr++)
      |                                ~~^~~~~~~~~~~~

• Subtask 1: 22 / 22
• Subtask 2: 33 / 33
• Subtask 3: 0 / 55