Submission #800562

#	Time	Username	Problem	Language	Result	Execution time	Memory
800562		fatherofnation	Round words (IZhO13_rowords)	C++14	24 / 100	2089 ms	8400 KiB

rowords

#include <iostream>
#include <string>
#include <vector>
#include <algorithm>

using namespace std;

int longestCommonSubsequence(const string& word1, const string& word2) {
    int m = word1.length();
    int n = word2.length();

    vector<vector<int>> dp(m + 1, vector<int>(n + 1, 0));

    for (int i = 1; i <= m; ++i) {
        for (int j = 1; j <= n; ++j) {
            if (word1[i - 1] == word2[j - 1]) {
                dp[i][j] = dp[i - 1][j - 1] + 1;
            } else {
                dp[i][j] = max(dp[i - 1][j], dp[i][j - 1]);
            }
        }
    }

    return dp[m][n];
}

vector<string> findRoundWords(const string& word) {
    int n = word.length();
    vector<string> roundWords;

    for (int i = 0; i < n; ++i) {
        string rotatedWord = word.substr(i) + word.substr(0, i);
        roundWords.push_back(rotatedWord);
    }

    return roundWords;
}

int main() {
    string word1, word2;
    cin >> word1 >> word2;

    vector<string> roundWords = findRoundWords(word1);

    int maxLCS = 0;
    for (const string& roundWord : roundWords) {
        int lcs = longestCommonSubsequence(roundWord, word2);
        maxLCS = max(maxLCS, lcs);
    }

    cout << maxLCS << endl;

    return 0;
}

• Subtask 1: 24 / 100