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This level simply consists of 20 phases, 4 phases on HackerRank Online Judge, 4 phases on LeetCode Online Judge, 4 phases on AtCoder Online Judge, 4 phases on Codeforces Online Judge, 4 phases on HackerEarth Online Judge.
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The time estimate for level problems is between 30 min to 45 min for each problem, including reading time, thinking time, coding time, debugging time, and learning time, and you can consider that the phase is done when you solved at least 30% of the phase problems, and the level is done when you solved at least 6 phases.
- HackerRank Online Judge Phases
- LeetCode Online Judge Phases
- AtCoder Online Judge Phases
- Codeforces Online Judge Phases
- HackerEarth Online Judge Phases
- UVA Online Judge Phases
| # | Phase OJ | Phase Name | Phase Sections | # Problems | Hrs | |
|---|---|---|---|---|---|---|
| 01 |
 |
HackerRank OJ C++ |
Introduction Arrays and Strings Functions and Libraries Structs and Classes Implementation |
20 10 10 15 15 |
70 | 40 |
| 02 |
|
HackerRank OJ Python |
Introduction Collections Functions and Libraries I Functions and Libraries II Classes |
25 25 20 20 10 |
100 | 40 |
| 03 |
|
HackerRank OJ Java |
Introduction Strings and BigNumber Data Structures Object Oriented Programming Advanced |
15 15 15 10 10 |
65 | 40 |
| 04 |
|
HackerRank OJ Linux Shell |
Bash Text Processing I Text Processing II Arrays in Bash Grep Sed Awk |
10 15 15 10 15 |
65 | 40 |
| # | Phase OJ | Phase Name | Phase Sections | # Problems | Hrs | |
|---|---|---|---|---|---|---|
| 01 |
 |
LeetCode OJ Array 1 |
Array I Array II Array III Array IV |
15 15 15 15 |
60 | 40 |
| 02 |
|
LeetCode OJ Array 2 |
Array I Array II Array III Array IV |
15 15 15 15 |
60 | 40 |
| 03 |
|
LeetCode OJ Array and Bit Manipulation |
Bit Manipulation I Bit Manipulation II Array I Array II |
15 15 15 15 |
60 | 40 |
| 04 |
|
LeetCode OJ Mathematics and Strings |
Math I Math II String I String II |
15 15 15 15 |
60 | 40 |
| # | Phase OJ | Phase Name | Phase Sections | # Problems | Hrs | |
|---|---|---|---|---|---|---|
| 01 |
 |
AtCoder OJ Phase 1-1 |
2016-2017 Beginner Contests 2018-2019 Beginner Contests 2020-2021 Beginner Contests 2022 Beginner Contests 2023 Beginner Contests |
20 30 35 25 25 |
135 | 80 |
| 02 |
|
AtCoder OJ Phase 1-2 |
2016-2017 Beginner Contests 2018-2019 Beginner Contests 2020-2021 Beginner Contests 2022 Beginner Contests 2023 Beginner Contests |
20 30 35 25 25 |
135 | 80 |
| 03 |
|
AtCoder OJ Phase 1-3 |
2016-2017 Beginner Contests 2018-2019 Beginner Contests 2020-2021 Beginner Contests 2022 Beginner Contests 2023 Beginner Contests |
20 30 35 25 25 |
135 | 80 |
| 04 |
|
AtCoder OJ Phase 1-4 |
2016-2017 Beginner Contests 2018-2019 Beginner Contests 2020-2021 Beginner Contests 2022 Beginner Contests 2023 Beginner Contests |
20 30 35 25 25 |
135 | 80 |
| # | Phase OJ | Phase Name | Phase Sections | # Problems | Hrs | |
|---|---|---|---|---|---|---|
| 01 |
 |
Codeforces OJ Phase 1-1 |
Basic Operator Condition Loop String List / Array I List / Array II |
10 20 25 30 20 20 |
125 | 80 |
| 02 |
|
Codeforces OJ Phase 1-2 |
Basic Operator Condition Loop String List / Array I List / Array II |
10 20 25 30 20 20 |
125 | 80 |
| 03 |
|
Codeforces OJ Phase 1-3 |
Basic Operator Condition Loop String List / Array I List / Array II |
10 20 25 30 20 20 |
125 | 80 |
| 04 |
|
Codeforces OJ Phase 1-4 |
Basic Operator Condition Loop String List / Array I List / Array II |
10 20 25 30 20 20 |
125 | 80 |
| # | Phase OJ | Phase Name | Phase Sections | # Problems | Hrs | |
|---|---|---|---|---|---|---|
| 01 |
 |
HackerEarth OJ Phase 1-1 |
Implementation I Implementation II Implementation III Implementation IV |
25 25 25 25 |
100 | 80 |
| 02 |
|
HackerEarth OJ Phase 1-2 |
Implementation I Implementation II Implementation III Implementation IV |
25 25 25 25 |
100 | 80 |
| 03 |
|
HackerEarth OJ Phase 1-3 |
Implementation I Implementation II Implementation III Implementation IV |
25 25 25 25 |
100 | 80 |
| 04 |
|
HackerEarth OJ Phase 1-4 |
Input/Output Bit Manipulation Recursion Operators |
40 40 10 35 |
125 | 80 |
coming soon ...