func_code_string: #include <bits/stdc++.h>   using namespace std;   const int N = 26;   vector<int> kmp;   string txt, pattern;   vector<vector<int> > nxt, dp;   void build() {     kmp.resize(pattern.size() + 10);     kmp[0] = 0;     for (int i = 1, j = 0; i < pattern.size();) {       if (pattern[i] == pattern[j])         kmp[i++] = ++j;       else if (!j)         kmp[i++] = 0;       else         j = kmp[j - 1];     }     nxt.resize(pattern.size() + 10);     for (int i = 0; i < pattern.size(); ++i) nxt[i].resize(N + 10);     for (int j = 0; j < N; ++j) nxt[0][j] = (pattern[0] -  a  == j);     for (int i = 1; i < pattern.size(); ++i)       for (int j = 0; j < N; ++j)         nxt[i][j] = (pattern[i] -  a  == j) ? i + 1 : nxt[kmp[i - 1]][j];     dp.resize(txt.size() + 10);     for (int i = 0; i < dp.size(); ++i) dp[i].resize(pattern.size() + 10);     for (int i = 0; i < dp.size(); ++i)       for (int j = 0; j < dp[i].size(); ++j) dp[i][j] = -1;   }   int solve(const int &i, const int &j) {     if (i == txt.size()) return 0;     if (dp[i][j] != -1) return dp[i][j];     int ans = 0;     if (txt[i] ==  ? ) {       for (int k = 0; k < N; ++k) {         int new_j = nxt[j][k];         if (new_j == pattern.size())           ans = max(ans, 1 + solve(i + 1, kmp[new_j - 1]));         else           ans = max(ans, solve(i + 1, new_j));       }     } else {       int k = txt[i] -  a ;       int new_j = nxt[j][k];       if (new_j == pattern.size())         ans = max(ans, 1 + solve(i + 1, kmp[new_j - 1]));       else         ans = max(ans, solve(i + 1, new_j));     }     return dp[i][j] = ans;   }   int main() {     cin >> txt >> pattern;     build();     printf( %d n , solve(0, 0));     return 0;   }   