oj.uz

Submission #530951

# Submission time Handle Problem Language Result Execution time Memory
530951 2022-02-27T08:01:14 Z Tenis0206 Trener (COCI20_trener) C++11
0 / 110
 476 ms 3608 KB 
#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;

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];
            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]);
                    dp[j] += dps[aux];
                    dp[j] %= Mod;
                }
            }
        }
        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

trener.cpp: In function 'int main()':
trener.cpp:33:28: warning: comparison of integer expressions of different signedness: 'int' and 'std::__cxx11::basic_string<char>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   33 |             for(int st=0;st<s[j].size();st++)
      |                          ~~^~~~~~~~~~~~
trener.cpp:36:33: warning: comparison of integer expressions of different signedness: 'int' and 'std::__cxx11::basic_string<char>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   36 |                 for(int dr=st;dr<s[j].size();dr++)
      |                               ~~^~~~~~~~~~~~

Subtask #1
0 / 22.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 332 KB Output is correct
2 Correct 1 ms 332 KB Output is correct
3 Correct 1 ms 332 KB Output is correct
4 Incorrect 1 ms 332 KB Output isn't correct
5 Halted 0 ms 0 KB -

Subtask #2
0 / 33.0

# Verdict Execution time Memory Grader output
1 Correct 476 ms 3608 KB Output is correct
2 Correct 465 ms 2944 KB Output is correct
3 Correct 474 ms 3380 KB Output is correct
4 Incorrect 88 ms 460 KB Output isn't correct
5 Halted 0 ms 0 KB -

Subtask #3
0 / 55.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 332 KB Output is correct
2 Correct 1 ms 332 KB Output is correct
3 Correct 1 ms 332 KB Output is correct
4 Incorrect 1 ms 332 KB Output isn't correct
5 Halted 0 ms 0 KB -