2

Author: kedebug

EditDistance/EditDistance.cpp

@@ -0,0 +1,26 @@
+class Solution {
+public:
+    int minDistance(string word1, string word2) {
+        // Start typing your C/C++ solution below
+        // DO NOT write int main() function
+        
+        int len1 = word1.size();
+        int len2 = word2.size();
+        
+        for (int i = 0; i <= max(len1, len2); i++)
+            F[i][0] = F[0][i] = i;
+            
+        for (int i = 1; i <= len1; i++) {
+            for (int j = 1; j <= len2; j++) {
+                if (word1[i-1] == word2[j-1])
+                    F[i][j] = F[i-1][j-1];
+                else
+                    F[i][j] = min(F[i-1][j-1], min(F[i-1][j], F[i][j-1])) + 1;
+            }
+        }
+        return F[len1][len2];
+    }
+private:
+    static const int MAXN = 1010;
+    int F[MAXN][MAXN];
+};