Submission #1011874

#TimeUsernameProblemLanguageResultExecution timeMemory
1011874enkhochirBajka (COCI20_bajka)C++14
20 / 70
5 ms1116 KiB
#include<bits/stdc++.h> using namespace std; #define int long long int n,m; string s,t; vector<vector<int>> dp(305,vector<int> (305,1e12)); signed main(){ cin>>n>>m>>s>>t; s='.'+s; t='.'+t; for(int i=1; i<=n; i++){ if(s[i]==t[1]){ dp[1][i]=0; } } //dp[i][j] - ehnii i useg bas suuliin index ni j for(int i=2; i<=m; i++){ for(int j=1; j<=n; j++){ if(t[i]==s[j]){ for(int k=1; k<=n; k++){ // if(s[i] if(k==j) continue; dp[i][j]=min(dp[i][j],dp[i-1][k]+abs(k-j)); } for(int k=j, idx=i; k<=n and idx<=m; k++, idx++){ if(t[idx]==s[k]){ dp[idx][k]=min(dp[idx][k],dp[i][j]+k-j+1); } else break; } for(int k=j, idx=i; k>=1 and idx<=m; k--, idx++){ if(t[idx]==s[k]){ dp[idx][k]=min(dp[idx][k],dp[i][j]+abs(k-j)+1); } else break; } } } } int ans=1e12; // for(int i=1; i<=m; i++){ // for(int j=1; j<=n; j++){ // cout<<dp[i][j]<<" "; // } // cout<<endl; // } for(int i=1; i<=n; i++){ ans=min(ans,dp[m][i]); } if(ans>1e9) cout<<-1<<endl; else cout<<ans<<endl; }
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