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Problems

Complexity
All Problems Very simple Simple Average Difficult Very difficult
geometry
All Problems ---topological-sort- ---traveling-salesman-problem- -three- 2-sat algorithms-on-strings articulation-point backtracking beginners bellman-ford-algorithm binary-search bitwise-operators breadth-first-search bridges calculation-system catalan-numbers clique combinatorics connected-components depth-first-search dijkstra-algorithm Others...
4
Two circles
7927 / 12845
12
Injured Picture
774 / 1206
38
Firs conversation
93 / 219
42
Green spot
98 / 262
49
The Smart Cat
676 / 1030
52
The Cheese for Anfisa
789 / 983
56
The Butterflies
35 / 169
57
The Butterfly – Medical Attendan
3542 / 3942
60
Area of a Polygon
2447 / 3130
130
Rectangle
1257 / 2236
134
Two circle - 2 (RU)
578 / 678
143
Point and triangle
2749 / 3535
144
Quadrilateral
2242 / 2786
295
Circle
1142 / 1755
296
The painted over sections 2
49 / 169
297
The painted points
217 / 343
298
Green spot - 2
34 / 75
299
Circle and Points
15 / 45
359
Circle and line
533 / 751
600
Адронные коллайдеры
2 / 16
653
The triangle
2275 / 2903
666
Triangle and point
1045 / 1560
667
Circle and triangle (RU)
39 / 127
708
Do not smoke! (RU)
38 / 63
714
Intersection of segments (RU)
61 / 161