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Problems
Prefix Sums
Difficulty
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160
Dancing school
Easy
221
Mountaineering (RU)
Easy
282
Sails
Hard
534
Lawrence of Arabia
Medium
682
Sum on a segment
Very easy
683
Partial matrix sum
684
Sum in a matrix
Very easy
685
Sum on parallelepiped
Easy
695
Range Variation Query
Very easy
723
Marine quadrille (RU)
805
Normal MaxSum
Easy
861
Matrix Summation
Very easy
1026
Карточки
Hard
1175
Monsters
Hard
1179
Substrings
Very easy
1350
Дезоксирыбонуклеиновая кислота
Easy
1415
Скала Советов
Very easy
1464
Simple Question
Very easy
1476
Морской бой
Very easy
1496
Вода
Hard
1569
Divisors
Very easy
1570
Be Efficient
Very easy
1621
The sum from 1 to n
Medium
1673
Sim-siм
Medium
1679
Честний ланцюжок
Very easy
1
2
3
4
5
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11