Run-Length Encoding
Compress strings by replacing sequences of identical characters with that character followed by a count.
Easy5/15/2024
Problem statement
Run-length encoding (RLE) compresses strings by replacing sequences of identical characters with that character prefixed by a count. For instance, aaaabcccaa should be compressed to 4a1b3c2a.
Problem leaderboard
# | Size | % | Users |
|---|---|---|---|
#1 | 42 c. | Top 59% | +3           |
#2 | 43 c. | Top 64% |  |
#3 | 46 c. | Top 68% |  |
#4 | 47 c. | Top 73% |  |
#5 | 50 c. | Top 77% |  |
#6 | 54 c. | Top 82% |  |
#7 | 55 c. | Top 86% |  |
#8 | 76 c. | Top 91% |  |
#9 | 411 c. | Top 95% |  |
#10 | 1065 c. | Top 100% |  |
© 2025 Corentin Thomasset