卬高杯
提出id | 提出時刻 | ユーザー名 | 問題 | 言語 | 判定状況 | 判定 | 実行時間 |
---|---|---|---|---|---|---|---|
114866 | 2023-10-24 09:18:51 | TKTYI | H | cpp | 19/19 | AC | 647 |
#include<bits/stdc++.h>
using namespace std;
typedef vector<int> vi;
typedef vector<vi> vvi;
typedef vector<vvi> vvvi;
typedef vector<vvvi> vvvvi;
typedef vector<bool> vb;
typedef vector<vb> vvb;
typedef vector<vvb> vvvb;
typedef vector<vvvb> vvvvb;
#define REP(i,n) for(int i=0;i<n;i++)
template<class T>bool chmax(T&a,T b){if(a<b){a=b;return 1;}return 0;}
int main(){
int N;cin>>N;
vector<string>S(N);
REP(i,N)cin>>S[i];
int ans=0;
vvb DP(1<<N,vb(N));
REP(i,N)DP[1<<i][i]=1;
vvi b(1<<N);vi e(1<<N);
REP(i,1<<N)REP(j,N)if((i>>j)%2){
b[i].emplace_back(j);
e[i]+=S[j].size();
}
vvb E(N,vb(N));
REP(i,N)REP(j,N)if(S[i].back()==S[j][0])E[i][j]=1;
REP(i,1<<N)for(auto j:b[i])for(auto k:b[i])if(DP[i-(1<<j)][k]&&E[k][j])DP[i][j]=1;
REP(i,1<<N)for(auto j:b[i])if(DP[i][j])chmax(ans,e[i]);
cout<<ans<<endl;
return 0;
}
sample1.txt AC 2 sample2.txt AC 2 sample3.txt AC 3 case1.txt AC 364 case2.txt AC 362 case3.txt AC 362 case4.txt AC 359 case5.txt AC 358 case6.txt AC 618 case7.txt AC 619 case8.txt AC 3 case9.txt AC 20 case10.txt AC 10 case11.txt AC 3 case12.txt AC 4 case13.txt AC 15 case14.txt AC 3 case15.txt AC 8 case16.txt AC 647 647 AC647 AC