[알고리즘] 백준 5582 - 공통 부분 문자열 (C++)

#include <iostream>
using namespace std;

string A, B;
int Arr[4001][4001];
int Ans;

int main(){
    cin >> A >> B;

    for(int i=1; i<=A.size(); i++){
        for(int j=1; j<=B.size(); j++){
            if(A[i - 1] == B[j - 1]){
                Arr[i][j] = Arr[i - 1][j - 1] + 1;
            }
            if(Arr[i][j] > Ans){
                Ans = Arr[i][j];
            }
        }
    }

    cout << Ans << "\n";

    return 0;
}