Есептер
Marina Vitaliivna's Favorite Game#10128
Орташа · Brute force
Collectors' Bazaar in the City of Palaputra#10129
Орташа · Implementation
Squares#10138
Жеңіл · Implementation · Brute force
Stepan's House#10139
Орташа · Implementation
Shower cabin#10140
Өте жеңіл · Implementation
Interesting Sorting#10141
Орташа · Sorting
Power of time#10142
Жеңіл
Increasing sines#10145
Өте жеңіл · Brute force · Math
Tree Next#10146
Жеңіл · Trees · Binary Search
Tree Previous#10147
Жеңіл · Trees · Binary Search
Costume Party#10148
Жеңіл · Sorting · Two pointers
Election Time#10149
Жеңіл · Sorting · Greedy algorithms
iCow#10150
Жеңіл · Brute force
Cow Contest#10151
Өте жеңіл · Graphs
Running#10152
Жеңіл · Dynamic programming
Telephone Lines#10153
Жеңіл · Binary Search · Graphs
Artificial Lake#10154
Қиын · Greedy algorithms · Sorting · Data Structures · Stacks
Haybale Guessing#10155
Қиын · Segment Tree · Sorting · Range queries
Cell Phone Network#10156
Орташа · Dynamic programming · Trees · Depth-first Search · Greedy algorithms
Transitive closure#10157
Орташа · Depth-first Search · Graphs
Find the centroid#10158
Өте жеңіл · Trees
Building a Decomposition#10159
Жеңіл · Trees
Number of pairs#10160
Жеңіл · Graphs
IOI#10161
Орташа · Graphs · Trees