I think you are lucky … 
My solution with same approach is not getting 100 and even I used same approach during contest, I got 50 only.
My Solution http://www.codechef.com/viewsolution/4404727
I am getting SIGSEGV for all test cases…I am using linked list can anyone help me?
@gdisastery1 What i found is “rope” is taking more time(approx double) than simple std::string insert/substr based implementation. why??
String based @ http://www.codechef.com/viewsolution/4404035 ,
rope based @ http://www.codechef.com/viewsolution/4390862
Use this to generate a test case: http://ideone.com/X1kXHB with Python 2.7
On my computer, the std::string version is taking about ~2.5 seconds and the rope version only ~0.3 seconds.
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I am getting SIGABRT for all test cases, here is my solution :
http://www.codechef.com/viewsolution/4474050 can anyone help me?
I Didn’t Understand The Editorial , Can Someone Please Explain it to me ??