String
Problems
| Length | 1223 / 1233 | 800 | |
| Word Count | 1100 / 1138 | 800 | |
| lowercase | 1091 / 1105 | 800 | |
| Vowel | 1024 / 1041 | 800 | |
| Digit sum | 1028 / 1049 | 800 | |
| Strong password | 990 / 1007 | 800 | |
| Letter frequencies | 920 / 928 | 800 | |
| Palindrome string | 957 / 962 | 800 | |
| Palindrome substring | 767 / 794 | 800 | |
| Caesar cipher | 738 / 805 | 800 | |
| String occurences | 785 / 801 | 800 | |
| Sum | 681 / 754 | 800 | |
| String normalization | 678 / 749 | 800 | |
| Run-length encoding | 609 / 699 | 800 | |
| Expression | 440 / 470 | 800 |