Patterns
counting
24 problems
# | Title | Acceptance | Difficulty |
|---|---|---|---|
1 | string hash map hashing +1 more | 31.1% | easy |
2 | array counting hash map | 75.4% | easy |
3 | array sorting two pointers +1 more | 29.6% | Med. |
4 | sorting array counting +1 more | 48.1% | easy |
5 | string hash map counting | 55.3% | easy |
6 | hash map string counting | 0.0% | easy |
7 | hash map counting array +1 more | 61.4% | easy |
8 | hash map counting array +3 more | 0.0% | easy |
9 | string counting hash map | 39.7% | easy |
10 | hash map counting string | 0.0% | easy |
11 | greedy algorithm counting string | 24.1% | easy |
12 | hash map counting string | 0.0% | easy |
13 | string hash map counting +1 more | 56.7% | easy |
14 | hash map counting string +1 more | 0.0% | easy |
15 | array hash map hash set +3 more | 82.6% | easy |
16 | array sorting counting +1 more | 68.2% | Med. |
17 | top k elements sorting array +2 more | 55.9% | Med. |
18 | sorting counting hash map +2 more | 80.5% | Med. |
19 | dynamic programming recursion backtracking +2 more | 44.6% | hard |
20 | prefix sum sliding window array +1 more | 56.6% | Med. |
21 | prefix sum hash map array +1 more | 50.5% | Med. |
22 | prefix sum array hash map +1 more | 45.2% | Med. |
23 | array two pointers greedy algorithm +1 more | 51.3% | easy |
24 | hash set array counting | 32.0% | Med. |