Lesson 1: Iterations
BinaryGap: https://codility.com/demo/results/trainingU2FQPQ-7Y4/

Lesson 2: Arrays
CyclicRotation: https://codility.com/demo/results/trainingSH2W5R-RP5/
OddOccurrencesInArray: https://codility.com/demo/results/trainingFN5RVT-XQ4/

Lesson 3: Time Complexity
FrogJmp: https://codility.com/demo/results/training6KKWUD-BXJ/
PermMissingElem: https://codility.com/demo/results/training58W4YJ-VHA/
TapeEquilibrum: https://codility.com/demo/results/trainingHMJHCT-9BX/

Lesson 4: Couting Elements
FrogRiverOne: https://codility.com/demo/results/trainingVKFWNJ-84P/
MaxCounters: https://codility.com/demo/results/trainingQ3KEC6-S4T/
MissingInteger: https://codility.com/demo/results/trainingPBJ5G7-2QB/
PermCheck: https://codility.com/demo/results/trainingN4XJDP-QJ6/

Lesson 5: Prefix Sums
CountDiv: https://codility.com/demo/results/trainingGBF99N-YHX/
GenomicRangeQuery: https://codility.com/demo/results/trainingZ47Q2A-CUW/
MinAvgTwoSlice: https://codility.com/demo/results/trainingU6BWPU-ADW/
PassingCars: https://codility.com/demo/results/trainingAR78MG-6TF/

Lesson 6: Sorting
Distinct: https://codility.com/demo/results/trainingWPEYF6-TC9/
MaxProductOfThree: https://codility.com/demo/results/trainingR637FP-8XS/
NumberOfDiscIntersections: https://codility.com/demo/results/trainingDQZTYA-ZGD/
Triangle: https://codility.com/demo/results/training5FCWC6-F95/

Lesson 7: Stacks and Queues
Brackets: https://codility.com/demo/results/trainingRQ4V9Q-PWX/
Fish: https://app.codility.com/demo/results/trainingMN4Y5V-ETB/
Nesting: https://app.codility.com/demo/results/trainingSEDJ88-W3X/
StoneWall: https://app.codility.com/demo/results/trainingXS737F-8RQ/

Lesson 8: Leader
Dominator: https://app.codility.com/demo/results/trainingG78XPK-PFE/
EquiLeader: https://app.codility.com/demo/results/trainingV9Y8CG-HD2/

Lesson 9: Maximum slice problem
MaxDoubleSliceSum: https://app.codility.com/demo/results/trainingHCV7B8-TKK/
MaxProfit: https://app.codility.com/demo/results/trainingKGXRDB-52U/
MaxSliceSum: https://app.codility.com/demo/results/training9AFNW2-NHB/

Lesson 10: Prime and composite numbers
CountFactors: https://app.codility.com/demo/results/trainingYUNPHG-GHZ/
Flags: https://app.codility.com/demo/results/trainingQRVB4B-M3R/
MinPerimeterRectangle: https://app.codility.com/demo/results/trainingFPZV97-4EC/
Peaks: https://app.codility.com/demo/results/trainingQBY4XW-AQM/

Lesson 11: Sieve of Eratosthenes
CountNonDivisible: https://app.codility.com/demo/results/trainingMNRT8Y-XQB/
CountSemiprimes:

Lesson 12: Euclidean algorithm
ChocolatesByNumbers: https://app.codility.com/demo/results/trainingGTA5B3-RVS/
CommonPrimeDivisors: https://app.codility.com/demo/results/training537SBJ-JD9/

Lesson 13: Fibonacci
FibFrog: https://app.codility.com/demo/results/trainingUYD5VR-RCV/
Ladder:

Lesson 14: Binary search algorithm
MinMaxDivision:
NailingPlanks:

Lesson 15: Caterpillar method
AbsDistinct: https://app.codility.com/demo/results/trainingNFUJPF-JW2/
CountDistinctSlices: https://app.codility.com/demo/results/trainingMDX683-GGE/
CountTriangles:
MinAbsSumOfTwo: