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Problems

Complexity
All Problems Very simple Simple Average Difficult Very difficult
beginners
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...
1
Simple problem
49907 / 55755
407
Exchange
6174 / 6905
500
Repair
5120 / 6113
583
Airplane (RU)
161 / 580
803
Абзац
49 / 142
901
Number of operations
7242 / 8261
902
The level of educational achievements
17253 / 18567
903
First or last?
16377 / 17946
904
Increase by 2
12178 / 14010
905
What type of triangle?
14834 / 16384
906
Product of digits
19728 / 20717
907
The first is not greater for 2,5
7528 / 8697
908
Those that are divisible by 6
8530 / 9747
909
Number of words
7370 / 8135
910
The arithmetic mean of positive
9481 / 10821
911
Quadratic equation
6255 / 9076
912
Number of sentences
3916 / 5276
913
Use sub-program
3773 / 4173
914
Maximum of absolute values
8193 / 9399
915
Rectangular or not?
10089 / 11358
916
Interesting Product
2824 / 3479
917
Twice the minimum
8128 / 8886
918
Which quarter?
9928 / 11686
919
Number by 3
6762 / 7460
920
Use the function
5486 / 6059