I'm getting tle with normal divisor algorithm. Is there some extra needed concept required for this problem..
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I'm getting tle with normal divisor algorithm. Is there some extra needed concept required for this problem..
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You should fill a dp ( dp[i] = number of divisors of i) before getting tests.
Then use partial sum on dp and answer each query in O(1).
So similar to 546D - Солдат и игра с числами.
So use a fast input ouput like scanf printf.