제출 #523251

#	제출 시각	아이디	문제	언어	결과	실행 시간	메모리
523251		levsog2004	원형 문자열 (IZhO13_rowords)	C++14	0 / 100	33 ms	32352 KiB

rowords

#include <iostream>
#include <iomanip>
#include <fstream>
#include <algorithm>
#include <cstring>
#include <string>
#include <vector>
#include <queue>
#include <deque>
#include <stack>
#include <cmath>
#include <list>
#include <set>
#include <map>
using namespace std;

#define ll long long int 
#define forr(n) for(ll i=0;i<n;i++) 
#define um unordered_map<int,int>  
#define vec vector<int> 
#define vecl vector<ll> 
#define pb push_back 
#define bg begin()
#define en end()
 int dp[2005][2005];

void solve() {

    string s, t;
    cin >> s >> t;
    int tt = s.size();
    for (int i = 0; i < tt; ++i)
    {
        s.push_back(s[i]);
    }
    tt = t.size();
    for (int i = 0; i < tt; ++i)
    {
        t.push_back(t[i]);
    }
   
    int ss = s.size(); tt = t.size();

    memset(dp, 0, sizeof(dp));
    for (int i = 1; i <= ss; i++) {
        for (int j = 1; j <= tt; j++) {
            if (s[i - 1] == t[j - 1])
                dp[i][j] = 1 + dp[i - 1][j - 1];
            else
                dp[i][j] = max(dp[i - 1][j], dp[i][j - 1]);
        }
    }
    string ans;
    int i = ss, j = tt;
    while (i > 0 && j > 0) {
        if (s[i - 1] == t[j - 1])
        {
            ans += s[i - 1];
            i--; j--;
        }
        else {
            if (dp[i - 1][j] > dp[i][j - 1])
                i--;
            else
                j--;
        }
    }
    reverse(ans.bg, ans.en);
    cout << ans << " ";








}

int main() {
    ios_base::sync_with_stdio(false);
    cin.tie(NULL);
    cout.tie(NULL);
    int t = 1;
    //cin>>t;
    while (t--)
        solve();

    return 0;
}

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