mirror of
https://github.com/Kiritow/OJ-Problems-Source.git
synced 2024-03-22 13:11:29 +08:00
111 lines
1.5 KiB
C++
111 lines
1.5 KiB
C++
#include<iostream>
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#include<string.h>
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using namespace std;
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#define MAX 201
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#define MAXN 0xffffff
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int map[MAX][MAX],link[MAX],dx[MAX],dy[MAX];
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bool visx[MAX],visy[MAX];
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int n,lack;
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char A[201][10001];
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bool DFS(int v)
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{
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visx[v]=true;
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for(int i=1;i<=n;i++)
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{
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if(visy[i])
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continue;
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int t=dx[v]+dy[i]-map[v][i];
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if(!t)
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{
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visy[i]=true;
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if(link[i]==-1||DFS(link[i]))
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{
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link[i]=v;
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return true;
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}
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}
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else
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{
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if(t<lack)
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lack=t;
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}
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}
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return false;
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}
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void KM()
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{
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int i,j;
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memset(dx,0,sizeof(dx));
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memset(dy,0,sizeof(dy));
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memset(link,-1,sizeof(link));
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for(i=1;i<=n;i++)
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{
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for(j=1;j<=n;j++)
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if(map[i][j]>dx[i])
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dx[i]=map[i][j];
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}
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for(i=1;i<=n;i++)
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{
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while(true)
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{
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memset(visx,0,sizeof(visx));
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memset(visy,0,sizeof(visy));
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lack=MAXN;
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if(DFS(i))
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break;
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for(j=1;j<=n;j++)
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{
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if(visx[j])
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dx[j]-=lack;
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if(visy[j])
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dy[j]+=lack;
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}
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}
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}
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int ans=0;
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for(i=1;i<=n;i++)
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ans+=map[link[i]][i];
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cout<<ans<<endl;
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}
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void Q()
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{
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int i,j,p,q;
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for(i=1;i<=n;i++)
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{
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int len1=strlen(A[i]);
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for(j=1;j<=n;j++)
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{
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if(i==j)
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map[i][j]=0;
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else
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{
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int len2=strlen(A[j]);
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q=0;
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p=len2-1;
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while(q<len1&&p>=0&&A[i][q]==A[j][p])
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{
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q++;p--;
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}
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map[i][j]=q;
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}
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}
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}
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}
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int main()
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{
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while(cin>>n)
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{
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int i,j;
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for(i=1;i<=n;i++)
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{
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for(j=1;j<=n;j++)
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map[i][j]=0;
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}
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for(i=1;i<=n;i++)
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scanf("%s",A[i]);
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Q();
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KM();
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}
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return 0;
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}
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