Problem in short: We are given N pairs and from each pair we have to choose one element such that the difference between chosen sum and not chosen sum is minimized. N <= 150, value of elements <= 300.
Here's A Recursive DP Solution of this!
Equals Gifts IARCS at master · JVJplus
This problem can also be solved by using set<int> as set keep the data in sorted order!
Constraints: The values in the ids are <= 10^9, not <= 109. (CodeChef has a typo).
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we can also use binary search for checking if element is present or not. after storing values in sorted order.
IARCS Gives fatal to all C++ submissions, Try with JAVA
IARCS giving Segmentation Fault with DP solution with Arrays, Try Basic submitting with 2 variable to solve. :D
Given an array of N integers and an integer T, find all possible combinations of indices i, j, k, l such that i < j < k < l and S[i] + S[j] + S[k] + S[l] is equal to T where S is the array of integers
Constraints: N <= 5000, T <= 10^6
yeah, I had overthinked the problem bcz in the statement it is written find not count neither any example is given. Problem statement should be modified or example should be given.
Zonal Computing Olympiad is round 1 out of 3 (i.e. beginner) for selection into Indian IOI team. Check out the discussion responses for solution one hint at a time!
no, test cases are right, my code got ac with assuming test cases within range 10^5
The problem can be solved using hashing also, my code took 0.61s. Basically all i did was something like bruteforce, checking if further ap's are present in the array or not.
Zonal Computing Olympiad is round 1 out of 3 (i.e. beginner) for selection into Indian IOI team.
EDIT: I recommend you skip this problem. Reason stated in replies.
EDIT 2: Do NOT skip this problem. Test cases have be...
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