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  1. #include <bits/stdc++.h>
  2. using namespace std;
  3.  
  4. string s;
  5. string t[505];
  6. vector<int> pi[505];
  7. int mat[505];
  8. int dp[100005];
  9. int n;
  10. int main() {
  11.   ios_base::sync_with_stdio(false);
  12.   cin.tie(0);
  13.   cin >> s >> n;
  14.   for (int i = 0; i < n; ++i) {
  15.     cin >> t[i];
  16.     int m = 0;
  17.     pi[i].assign(t[i].size(), 0);
  18.     for (int j = 1; j < t[i].size(); ++j) {
  19.       while (t[i][j] != t[i][m] && m > 0) m = pi[i][m - 1];
  20.       if (t[i][j] == t[i][m]) ++m;
  21.       pi[i][j] = m;
  22.     }
  23.   }
  24.  
  25.   for (int i = 0; i < s.size(); ++i) {
  26.     dp[i+1] = max(dp[i+1], dp[i]);
  27.     for (int j = 0; j < n; ++j) {
  28.       while (s[i] != t[j][mat[j]] && mat[j] > 0) mat[j] = pi[j][mat[j] - 1];
  29.       if (s[i] == t[j][mat[j]]) ++mat[j];
  30.       if (mat[j] == t[j].size()) {
  31.         dp[i + 1] = max(dp[i + 1], dp[i - (int)t[j].size() + 1] + mat[j]);
  32.         mat[j] = pi[j][mat[j] - 1];
  33.       }
  34.     }
  35.   }
  36.   cout << dp[s.size()] << '\n';
  37. }
  38.  
Success #stdin #stdout 0s 3868KB
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stdin
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aabcc
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aab
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stdout
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3
https://ideone.com/zloOUb
BOJ 2401 최대 문자열 붙여넣기
language:
C++14 (gcc 8.3)
created:
7 years ago
visibility:
public

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