제출 #1118879

#제출 시각아이디문제언어결과실행 시간메모리
1118879hamzabc원형 문자열 (IZhO13_rowords)C++14
0 / 100
34 ms22120 KiB
#include <bits/stdc++.h> using namespace std; #define all(x) x.begin(), x.end() #define mod 1000000007 #define sp << " " << #define endl << '\n' int asz; int bsz; string a, b; vector<vector<int>> memoization; long long int dp(int sa, int sb){ if (sa == asz || sb == bsz) return 0; if (memoization[sa + 1][sb + 1] != -1) return memoization[sa + 1][sb + 1]; if (a[sa] == b[sb]) memoization[sa + 1][sb + 1] = dp(sa + 1, sb + 1) + 1; else memoization[sa + 1][sb + 1] = max(dp(sa, sb + 1), dp(sa + 1, sb)); return memoization[sa + 1][sb + 1]; } signed main() { ios_base::sync_with_stdio(false); cin.tie(0); cout.tie(0); cin >> a >> b; asz = a.size(); bsz = b.size(); a += a; b += b; memoization.resize(a.size() + 1, vector<int>(b.size() + 1, -1)); dp(0, 0); int res = 0; for (int i = 0; i <= asz; i++){ memoization[i][0] = 0; } for (int i = 0; i <= bsz; i++){ memoization[0][i] = 0; } for (int i = 0; i < asz; i++){ for (int o = 0; o < bsz; o++){ res = max(res, memoization[i][o] + memoization[i + asz + 1][o + bsz + 1] - memoization[i][o + bsz + 1] - memoization[i + asz + 1][o]); } } cout << res; return 0; }
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