Submission #1178629

#	Time	Username	Problem	Language	Result	Execution time	Memory
1178629		prideliqueee	Bajka (COCI20_bajka)	C++20	70 / 70	14 ms	1096 KiB

bajka

#include<bits/stdc++.h>
using namespace std;
#define int long long
signed main()
{
    int n,m;
    cin>>n>>m;
    string s1,s2;
    cin>>s1>>s2;
    swap(s1,s2);
    int dp[s1.size()][s2.size()];
    for(int i=0;i<s1.size();i++)
    for(int j=0;j<s2.size();j++)
    dp[i][j]=1e9;
    int ans=LLONG_MAX;
    for(int i=0;i<s2.size();i++)
    {
        if(s2[i]==s1[0])
        {
            dp[0][i]=0;
            if(s1.size()==1)
            ans=0;
        }
    }
    if(ans==0)
    {
        cout<<0;
        return 0;
    }
    for(int i=1;i<s1.size();i++)
    {
        ans=LLONG_MAX;
        for(int j=0;j<s2.size();j++)
        {
            if(s2[j]==s1[i])
            {
                if((j>0&&s2[j-1]==s1[i-1])||(j<s2.size()-1&&s2[j+1]==s1[i-1]))
                {
                    for(int k=0;k<s2.size();k++)
                    {
                        if(dp[i-1][k]<1e9)
                        {
                            if(j>0&&s2[j-1]==s1[i-1])
                            {
                                dp[i][j]=min(dp[i][j],dp[i-1][k]+1+abs(k-(j-1)));
                            }
                            if(j<s2.size()-1&&s2[j+1]==s1[i-1])
                            {
                                dp[i][j]=min(dp[i][j],dp[i-1][k]+1+abs(k-(j+1)));
                            }
                        }
                    }
                }
            }
            ans=min(ans,dp[i][j]);
            //cout<<dp[i][j]<<" ";
        }
        //cout<<endl;
    }
    if(ans<1e9)
    cout<<ans;
    else
    cout<<-1;
}

• Subtask 1: 20 / 20
• Subtask 2: 50 / 50