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gzshawnliang · Sep 13, 2019 · 00dbef4 · 00dbef4
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Showing 7 changed files with 374 additions and 62 deletions.
diff --git a/myCpps/kmp.cpp b/myCpps/kmp.cpp
@@ -5,87 +5,40 @@ using namespace std;
 ifstream fin("powerStrings_UVA10298.in");
 ofstream fout("powerStrings_UVA10298.out");
 
-vector<int> createNext(string & P)
-{
-    vector<int> next;
-    return next;
-}
-
-vector<int> KmpSearch(string & T,string & P)
-{
-    vector<int> pos;
-    vector<int> next = createNext(P);
-
-    //begin search
-
-    return pos;
-}
-
-bool KmpExistSearch(string & T,string & P)
-{
-    bool isExisted;
-    vector<int> next = createNext(P);
-
-    //begin search
-
-    return isExisted;
-}
-
 int main()
 {
-    // string s = "ababababababababcabababab",
-    //        t = "abababc";
-
-    string s = "krfxmjtbbbrywsrndqengumtgnbmpvzdsjw",
-           t = "tbbry";
+    string s = "ercaabcabcjjjj",
+           t = "abcabc";
 
     int sizeS = s.size(), sizeT = t.size();
 
-    int _i = 1, _j = 0;
-    vector<int> next(sizeT, 0); next[0] = 0;
+    int _i = 0, _j = -1;
+    vector<int> next(sizeT + 1, 0); next[0] = -1;
     while (_i <= sizeT - 1)
     {
-        while (_j > 0 && t[_i] != t[_j])
+        while (_j >= 0 && t[_i] != t[_j])
         {
-            if (_j > 0) _j = next[_j - 1];
-
-            if (_j == -1) break;
+            _j = next[_j];
         }
-
-        if (t[_i] == t[_j]) next[_i] = _j + 1;
 
-        ++_i;
-        ++_j;
+        ++_i; ++_j;
+        next[_i] = _j;
     }
 
     int i = 0, j = 0;
     vector<int> ans;
     while (i <= sizeS - 1)
     {
-        if (s[i] != t[j])
+        while (j >= 0 && s[i] != t[j])
         {
-            if (j == 0)
-            {
-                ++i;
-            }
-            else
-            {
-                j = next[j - 1];
-            }
+            j = next[j];
         }
-        else
+
+        ++i; ++j;
+        if (j == sizeT)
         {
-            if (j == sizeT - 1)
-            {
-                ans.push_back(i - sizeT + 1);
-                ++i;
-                j = 0;
-            }
-            else
-            {
-                ++i;
-                ++j;
-            }
+            ans.push_back(i - sizeT);
+            j = next[j];
         }
     }
 

diff --git a/myCpps_2020/importantStuffs/kmp.cpp b/myCpps_2020/importantStuffs/kmp.cpp
@@ -0,0 +1,46 @@
+#include <bits/stdc++.h>
+
+using namespace std;
+
+ifstream fin("powerStrings_UVA10298.in");
+ofstream fout("powerStrings_UVA10298.out");
+
+int main()
+{
+    string s = "ercaabcabcjjjj",
+           t = "abcabc";
+
+    int sizeS = s.size(), sizeT = t.size();
+
+    int _i = 0, _j = -1;
+    vector<int> next(sizeT + 1, 0); next[0] = -1;
+    while (_i <= sizeT - 1)
+    {
+        while (_j >= 0 && t[_i] != t[_j])
+        {
+            _j = next[_j];
+        }
+
+        ++_i; ++_j;
+        next[_i] = _j;
+    }
+
+    int i = 0, j = 0;
+    vector<int> ans;
+    while (i <= sizeS - 1)
+    {
+        while (j >= 0 && s[i] != t[j])
+        {
+            j = next[j];
+        }
+
+        ++i; ++j;
+        if (j == sizeT)
+        {
+            ans.push_back(i - sizeT);
+            j = next[j];
+        }
+    }
+
+    return 0;
+}
diff --git a/myCpps_2020/secretWord_UVA12467/!-OJcreater.cpp b/myCpps_2020/secretWord_UVA12467/!-OJcreater.cpp
@@ -0,0 +1,166 @@
+#include <algorithm>
+#include <cmath>
+#include <cstdio>
+#include <cstdlib>
+#include <fstream>
+#include <iomanip>
+#include <iostream>
+#include <set>
+#include <string>
+#include <vector>
+
+using namespace std;
+
+//***************************************
+const string CPPfile = "secretWord_UVA12467"; //*
+//***************************************
+
+ifstream fin(CPPfile + ".cpp");
+ofstream fout(CPPfile + "OJ.cpp");
+
+bool _isAlpha(char a)
+{
+    return (a >= 'a' && a <= 'z') || (a >= 'A' && a <= 'Z');
+}
+
+int main()
+{
+    bool findMain = false;
+    bool fastDone = false;
+    while (true)
+    {
+        string in = "I am Shawn.";
+        getline(fin, in);
+        int size = in.size();
+
+        if (findMain == true && fastDone == false)
+        {
+            fout << in << '\n';
+            fout << "\tios_base::sync_with_stdio(false);\n\tstd::cin.tie(NULL);\n";
+            fastDone = true;
+            continue;
+        }
+
+        if (in == "I am Shawn.")
+        {
+            break;
+        }
+        else if (in == "")
+        {
+            fout << '\n';
+            continue;
+        }
+        else if (in == "int main()")
+        {
+            findMain = true;
+            fout << "int main()\n";
+            continue;
+        }
+        else if (size >= 9)
+        {
+            int i = 0, SPACEcount = 0, TABcount = 0;
+            while (in[i] == ' ' || in[i] == '\t')
+            {
+                ++i;
+                if (in[i] == ' ')
+                {
+                    ++SPACEcount;
+                }
+                else
+                {
+                    ++TABcount;
+                }
+            }
+
+            string front = "";
+            for (int j = i; j <= size - 1; ++j)
+            {
+                front.push_back(in[j]);
+            }
+
+            if (front == "return 0;")
+            {
+                for (int c = 1; c <= SPACEcount; ++c)
+                {
+                    fout << ' ';
+                }
+                for (int c = 1; c <= TABcount; ++c)
+                {
+                    fout << '\t';
+                }
+
+                fout << "cout.flush();\n";
+
+                for (int c = 1; c <= SPACEcount; ++c)
+                {
+                    fout << ' ';
+                }
+                for (int c = 1; c <= TABcount; ++c)
+                {
+                    fout << '\t';
+                }
+
+                fout << "return 0;\n";
+                continue;
+            }
+        }
+
+        if (size >= 8)
+        {
+            string front = "";
+
+            int i = 0;
+            while (in[i] == ' ' || in[i] == '\t')
+            {
+                ++i;
+            }
+
+            front.push_back(in[i]);
+            front.push_back(in[i + 1]);
+            front.push_back(in[i + 2]);
+            front.push_back(in[i + 3]);
+            front.push_back(in[i + 4]);
+            front.push_back(in[i + 5]);
+            front.push_back(in[i + 6]);
+            front.push_back(in[i + 7]);
+
+            if (front == "ifstream" || front == "ofstream")
+            {
+                continue;
+            }
+        }
+        if (size >= 2)
+        {
+            int i = 0;
+            while (in[i] == ' ' || in[i] == '\t')
+            {
+                ++i;
+            }
+
+            if (i <= size - 2)
+            {
+                if (in[i] == '/' && in[i + 1] == '/')
+                {
+                    continue;
+                }
+            }
+        }
+        if (size > 2)
+
+        for (int i = 0; i <= size - 5; ++i)
+        {
+            string temp;
+            temp.push_back(in[i]);
+            temp.push_back(in[i + 1]);
+            temp.push_back(in[i + 2]);
+            if ((temp == "fin" && _isAlpha(in[i + 3]) == false) || (temp == "fou" && in[i + 3] == 't' && _isAlpha(in[i + 4]) == false))
+            {
+                in[i] = 'c';
+            }
+        }
+
+        fout << in << '\n';
+    }
+
+    return 0;
+}
diff --git a/myCpps_2020/secretWord_UVA12467/secretWord_UVA12467.cpp b/myCpps_2020/secretWord_UVA12467/secretWord_UVA12467.cpp
@@ -0,0 +1,71 @@
+#include <bits/stdc++.h>
+
+using namespace std;
+
+ifstream fin("secretWord_UVA12467.in");
+ofstream fout("secretWord_UVA12467.out");
+
+int main()
+{
+    int tcc; fin >> tcc;
+    for (int c = 1; c <= tcc; ++c)
+    {
+        string s; fin >> s;
+        int sizeS = s.size();
+
+        int l = 1, r = sizeS;
+        while (l <= r)
+        {
+            int m = (l + r) / 2;
+
+            string t = s.substr(0, m); reverse(t.begin(), t.end());
+
+            int _i = 0, _j = -1;
+            vector<int> next(m + 1, 0); next[0] = -1;
+            while (_i <= m - 1)
+            {
+                while (_j >= 0 && t[_i] != t[_j])
+                {
+                    _j = next[_j];
+                }
+
+                ++_i; ++_j;
+                next[_i] = _j;
+            }
+
+
+            bool flag = false;
+            int i = 0, j = 0;
+            while (i <= sizeS - 1)
+            {
+                while (j >= 0 && s[i] != t[j])
+                {
+                    j = next[j];
+                }
+
+                ++i; ++j;
+                if (j == m)
+                {
+                    flag = true;
+                    j = next[j];
+
+                    break;
+                }
+            }
+
+            if (flag == true)
+            {
+                l = m + 1;
+            }
+            else
+            {
+                r = m - 1;
+            }
+        }
+
+        string t = s.substr(0, r); reverse(t.begin(), t.end());
+        fout << t << '\n';
+    }
+
+    return 0;
+}
diff --git a/myCpps_2020/secretWord_UVA12467/secretWord_UVA12467.in b/myCpps_2020/secretWord_UVA12467/secretWord_UVA12467.in
@@ -0,0 +1,2 @@
+1
+listentonetsilthesilence
diff --git a/myCpps_2020/secretWord_UVA12467/secretWord_UVA12467.out b/myCpps_2020/secretWord_UVA12467/secretWord_UVA12467.out
@@ -0,0 +1 @@
+netsil