the problem is http://mirror.codeforces.com/contest/513/problem/C
the solution is http://mirror.codeforces.com/contest/513/submission/9761274
i wonder how this solution not TLE it is 1009*1009*6*6*6 which is TLE
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Dude. You don't just analyze the complexity by counting for loops
the each iteration in the for loop work as i clear the dp array so this is the complexity i am confused :s
For clearing the dp array, I see four for loops and they go till 6,6,6,10009 so how TLE?
no i mean the dp is in 10009*6*6*6 okay but there is for loop iterating on dp in the main so what is the total complexity ?
Memoization technique has been used in the solution, which means you just calculate the value for each state only once. Therefore the whole solution proceeds 10009*6*6*6 different states which is pretty far from TLE.