AIBOHP haha palindrome not LCS

AIBOHP.cpp

@@ -0,0 +1,64 @@
+//DATE: 27/09/2015
+//Author: Ramjeet Saran
+//http://www.spoj.com/problems/AIBOHP/
+
+#include <bits/stdc++.h>
+
+#define gc getchar_unlocked
+#define pc putchar_unlocked
+# define MAX(a,b) a>b ? a : b;
+# define MIN(a,b) a<b ? a : b;
+# define lli long long int
+# define ull unsigned long long int
+
+using namespace std;
+
+static unsigned short int DP[6200][6200];
+
+void fastwrite(int inp){
+  int a=(inp<0)?-inp:inp;
+  char snum[20];
+  int i=0;
+  do
+  {
+    snum[i++]=a%10+48;
+    a=a/10;
+  }while(a!=0);
+  if(inp<0)
+  snum[i++]='-';
+  i--;
+  while(i>=0)
+  pc(snum[i--]);
+  pc('\n');
+}
+
+int compute(string IN){
+
+    int len = IN.length();
+    for(int i = 0; i <= len; i++) {
+        for(int j = 0; j <= len; j++) {
+            if (i == 0 || j == 0)
+                DP[i][j] = 0;
+            else {
+                if(IN[i - 1] == IN[len - j])
+                    DP[i][j] = DP[i - 1][j - 1] + 1;
+                else
+                    DP[i][j] = MAX(DP[i][j - 1], DP[i - 1][j]);
+            }
+            //cout<<DP[i][j]<<" ";
+        }
+        //cout<<endl;
+    }
+
+    return len - DP[len][len];
+}
+
+int main(){
+  int T;
+  string B;
+  cin>>T;
+  while(T--){
+    cin>>B;
+   fastwrite(compute(B));
+  }
+}

Readme

@@ -72,3 +72,4 @@ http://www.spoj.com/users/raj94/
 68) MIXTURES
 69) GCD2
 70) ANARC09A
+71) AIBOHP