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Problems

Prefix Sums
Difficulty
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2634
Painting the Fence
2638
Winter Supplies
Very easy
2860
Sum of integers on the interval
Very easy
2875
Changing on a Segment (High)
Very easy
2876
Change on the Segment Junior
Easy
2888
Sigma-function on a segment
Easy
2905
Light Switching
Very easy
2906
Can you answer these queries - 1
Easy
2908
SumThem All
Easy
2909
Multiples of 3
Very easy
2911
Maximum Sum
Very easy
2938
Dima and the Time Machine
Very easy
2940
Dima and large array
Very easy
2941
Dima and array
Very easy
2943
Dima and the Table
2951
Count Offline
Easy
2956
Permutations strike back
Medium
2961
Tin
Medium
3070
Non-negative Partial Sums
3252
Range Sum Query
Very easy
3256
AFA Function
Very easy
3503
Signs alternating
Very easy
3507
Fabrozavrs-designers
Easy
3588
A Famous City
Very easy
3599
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