Submission #1171335

#	Time	Username	Problem	Language	Result	Execution time	Memory
1171335		Choco	Bajka (COCI20_bajka)	C++20	0 / 70	4 ms	1172 KiB

bajka

#include<bits/stdc++.h>
using namespace std;
#define Study ios_base::sync_with_stdio(false);cin.tie(NULL);cout.tie(NULL)
#define ll long long
#define ull unsigned long long
#define pb push_back
#define ff first 
#define ss second
#define ins insert
#define all(x) x.begin(),x.end()
#define fori(x,y,z) for(ll x=y;x<=z;x++)
const ll INF=1e9;
const ll sz=1e2+10;
const ll mod=1e9+7;
void work(){
    ll n,m;
    cin>>n>>m;
    string a,b;
    cin>>a>>b;
    vector<vector<ll>>dp(n+10,vector<ll>(m+10,INF));
    fori(i,0,n-1){
        if(a[i]==b[0])
        dp[0][i]=0;
    }
    fori(i,1,m-1){
        fori(j,0,n-1){
            if(a[j]!=b[i])
            continue;
            if(j!=0 && b[i-1]==a[j-1])
            dp[i][j]=min(dp[i][j],dp[i-1][j-1]+1);
            if(j!=n-1 && b[i-1]==a[j+1])
            dp[i][j]=min(dp[i][j],dp[i-1][j+1]+1);
            fori(k,0,n-1){
                if(k==j || a[k]!=a[j])
                continue;
                dp[i][k]=min(dp[i][k],dp[i][j]+abs(j-k));
            }
        }
    }
    ll ans=INF;
    fori(i,0,n-1)
    ans=min(ans,dp[m-1][i]);
    if(ans==INF)
    cout<<-1;
    else
    cout<<ans<<endl;
}
int main(){
    Study;
    ll t=1;
    //cin>>t;
    while(t--){
        work();
    }
}

• Subtask 1: 0 / 20
• Subtask 2: 0 / 50