Submission #1012124

#	Time	Username	Problem	Language	Result	Execution time	Memory
1012124		enkhochir	Bajka (COCI20_bajka)	C++14	0 / 70	27 ms	1116 KiB

bajka

#include<bits/stdc++.h>
using namespace std;
#define int long long
int n,m;
string s,t;
vector<vector<int>> dp(305,vector<int> (305,1e18));
signed main(){
	cin>>n>>m>>s>>t;
	s='.'+s;
	t='?'+t;
	//dp[i][j] t-iin ehnii i useg s-iin suuliin useg j deer bsn
	for(int i=1; i<=n; i++){
		if(s[i]==t[1]){
			dp[1][i]=0;	
		}
	}
	for(int i=2; i<=m; i++){
		for(int j=1; j<=n; j++){
			for(int k=1; k<=n; k++){
				if(k==j) continue;
				if(s[k]==s[j]) dp[i][j]=min(dp[i][j],dp[i-1][k]+abs(k-j));
			}
			if(j!=1){
				if(t[i]==s[j] and t[i-1]==s[j-1]){
					dp[i][j]=min(dp[i][j],dp[i-1][j-1]+1);
				}
			}
			if(j!=n){
				if(t[i]==s[j] and t[i-1]==s[j+1]){
					dp[i][j]=min(dp[i][j],dp[i-1][j+1]+1);
				}
			}
		}
	}
//	for(int i=1; i<=m; i++){
//		for(int j=1; j<=n; j++){
//			cout<<dp[i][j]<<" ";
//		}
//		cout<<endl;
//	}
	int ans=1e18;
	for(int i=1; i<=n; i++){
		ans=min(ans,dp[m][i]);	
	}
	if(ans==1e18) cout<<-1<<endl;
	else cout<<ans+1<<endl;
//	cout<< (ans==1e18) ? -1 : (ans);
}

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