| 2915 | 「一本通 6.4 例 5」Strange Way to Express Integers | 30 | 115 | 26.087% |
| 5014 | BZOJ1014：[JSOI2008]火星人prefix | 2 | 2 | 100.000% |
| 5352 | BZOJ1352：[Baltic2006]RLE COMPRESSION | 0 | 0 | 0.000% |
| 5385 | BZOJ1385：[Baltic2000]Division expression | 0 | 0 | 0.000% |
| 5624 | BZOJ1624：[Usaco2008 Open] Clear And Present Danger 寻宝之路 | 0 | 0 | 0.000% |
| 5723 | BZOJ1723：[Usaco2009 Feb]The Leprechaun 寻宝 | 0 | 0 | 0.000% |
| 5847 | BZOJ1847：[HDOJ3204]Expression Counting | 0 | 0 | 0.000% |
| 6796 | BZOJ2796：[Poi2012]Fibonacci Representation | 0 | 0 | 0.000% |
| 6803 | BZOJ2803：[Poi2012]Prefixuffix | 0 | 0 | 0.000% |
| 6880 | BZOJ2880：Ipsc2009 Easy representation | 0 | 0 | 0.000% |
| 7155 | BZOJ3155：Preprefix sum | 0 | 0 | 0.000% |
| 7483 | BZOJ3483： SGU505 Prefixes and suffixes（询问在线版） | 0 | 0 | 0.000% |
| 8725 | BZOJ4725：[POI2017]Reprezentacje ró?nicowe | 0 | 0 | 0.000% |
| 100633 | [AtCoder]ABC063 D - Widespread | 0 | 0 | 0.000% |
| 100763 | [AtCoder]ABC076 D - AtCoder Express | 0 | 0 | 0.000% |
| 101063 | [AtCoder]ABC106 D - AtCoder Express 2 | 0 | 0 | 0.000% |
| 101071 | [AtCoder]ABC107 B - Grid Compression | 0 | 0 | 0.000% |
| 101343 | [AtCoder]ABC134 D - Preparing Boxes | 0 | 0 | 0.000% |
| 101410 | [AtCoder]ABC141 A - Weather Prediction | 0 | 0 | 0.000% |
| 101493 | [AtCoder]ABC149 D - Prediction and Restriction | 0 | 0 | 0.000% |
| 101850 | [AtCoder]ABC185 A - ABC Preparation | 0 | 0 | 0.000% |
| 101893 | [AtCoder]ABC189 D - Logical Expression | 0 | 0 | 0.000% |
| 101922 | [AtCoder]ABC192 C - Kaprekar Number | 0 | 0 | 0.000% |
| 101932 | [AtCoder]ABC193 C - Unexpressed | 0 | 0 | 0.000% |
| 101955 | [AtCoder]ABC195 F - Coprime Present | 0 | 0 | 0.000% |
| 102070 | [AtCoder]ABC207 A - Repression | 0 | 0 | 0.000% |
| 102110 | [AtCoder]ABC211 A - Blood Pressure | 0 | 0 | 0.000% |
| 102135 | [AtCoder]ABC213 F - Common Prefixes | 0 | 0 | 0.000% |
| 102305 | [AtCoder]ABC230 F - Predilection | 0 | 0 | 0.000% |
| 102310 | [AtCoder]ABC231 A - Water Pressure | 0 | 0 | 0.000% |
| 102343 | [AtCoder]ABC234 D - Prefix K-th Max | 0 | 0 | 0.000% |
| 102504 | [AtCoder]ABC250 E - Prefix Equality | 0 | 0 | 0.000% |
| 102526 | [AtCoder]ABC252 G - Pre-Order | 0 | 0 | 0.000% |
| 102555 | [AtCoder]ABC255 F - Pre-order and In-order | 0 | 1 | 0.000% |
| 102576 | [AtCoder]ABC257 G - Prefix Concatenation | 0 | 0 | 0.000% |
| 102681 | [AtCoder]ABC268 B - Prefix? | 0 | 0 | 0.000% |
| 102762 | [AtCoder]ABC276 C - Previous Permutation | 0 | 5 | 0.000% |
| 102801 | [AtCoder]ABC280 B - Inverse Prefix Sum | 0 | 1 | 0.000% |
| 102851 | [AtCoder]ABC285 B - Longest Uncommon Prefix | 0 | 0 | 0.000% |
| 103154 | [Atcoder]ABC315 E - Prerequisites | 0 | 14 | 0.000% |
| 103173 | [Atcoder]ABC317 D - President | 0 | 5 | 0.000% |
| 103221 | [Atcoder]ABC322 B - Prefix and Suffix | 0 | 11 | 0.000% |
| 103290 | [Atcoder]ABC329 A - Spread | 0 | 10 | 0.000% |
| 103340 | [Atcoder]ABC334 A - Christmas Present | 0 | 13 | 0.000% |
| 103345 | [Atcoder]ABC334 F - Christmas Present 2 | 0 | 1 | 0.000% |
| 103436 | [Atcoder]ABC343 G - Compress Strings | 0 | 7 | 0.000% |
| 103635 | [Atcoder]ABC363 F - Palindromic Expression | 0 | 4 | 0.000% |
| 103762 | [Atcoder]ABC376 C - Prepare Another Box | 0 | 27 | 0.000% |
| 200603 | [AtCoder]ARC060 F - Best Representation | 0 | 0 | 0.000% |
| 200751 | [AtCoder]ARC075 D - Widespread | 0 | 0 | 0.000% |
| 200872 | [AtCoder]ARC087 E - Prefix-free Game | 0 | 0 | 0.000% |
| 201164 | [AtCoder]ARC116 E - Spread of Information | 0 | 0 | 0.000% |
| 201195 | [AtCoder]ARC119 F - AtCoder Express 3 | 0 | 0 | 0.000% |
| 201373 | [AtCoder]ARC137 D - Prefix XORs | 0 | 0 | 0.000% |
| 201411 | [AtCoder]ARC141 B - Increasing Prefix XOR | 0 | 0 | 0.000% |
| 201513 | [AtCoder]ARC151 D - Binary Representations and Queries | 0 | 0 | 0.000% |
| 300002 | CF1B. Spreadsheets | 0 | 0 | 0.000% |
| 300014 | CF4D. Mysterious Present | 0 | 0 | 0.000% |
| 300021 | CF6B. President's Office | 0 | 0 | 0.000% |
| 300280 | CF54A. Presents | 0 | 0 | 0.000% |
| 300304 | CF58E. Expression | 0 | 0 | 0.000% |
| 300331 | CF64B. Expression | 0 | 0 | 0.000% |
| 300333 | CF64D. Presents | 0 | 0 | 0.000% |
| 300420 | CF80A. Panoramix's Prediction | 0 | 0 | 0.000% |
| 300421 | CF80B. Depression | 0 | 0 | 0.000% |
| 300603 | CF115D. Unambiguous Arithmetic Expression | 0 | 0 | 0.000% |
| 300616 | CF118B. Present from Lena | 0 | 0 | 0.000% |
| 300695 | CF131F. Present to Mom | 0 | 0 | 0.000% |
| 300717 | CF136A. Presents | 0 | 0 | 0.000% |
| 300954 | CF178F1. Representative Sampling | 0 | 0 | 0.000% |
| 300955 | CF178F2. Representative Sampling | 0 | 0 | 0.000% |
| 300956 | CF178F3. Representative Sampling | 0 | 0 | 0.000% |
| 301874 | CF354E. Lucky Number Representation | 0 | 0 | 0.000% |
| 301986 | CF377B. Preparing for the Contest | 0 | 0 | 0.000% |
| 301993 | CF378D. Preparing for the Contest | 0 | 0 | 0.000% |
| 301996 | CF379B. New Year Present | 0 | 0 | 0.000% |
| 302002 | CF380A. Sereja and Prefixes | 0 | 0 | 0.000% |
| 302009 | CF381C. Sereja and Prefixes | 0 | 0 | 0.000% |
| 302184 | CF416E. President's Path | 0 | 0 | 0.000% |
| 302248 | CF432D. Prefixes and Suffixes | 0 | 0 | 0.000% |
| 302342 | CF451C. Predict Outcome of the Game | 0 | 0 | 0.000% |
| 302390 | CF460C. Present | 0 | 0 | 0.000% |
| 302485 | CF479A. Expression | 0 | 0 | 0.000% |
| 302501 | CF483B. Friends and Presents | 0 | 0 | 0.000% |
| 302522 | CF487C. Prefix Product Sequence | 0 | 0 | 0.000% |
| 302529 | CF488E. Prefix Product Sequence | 0 | 0 | 0.000% |
| 302626 | CF509E. Pretty Song | 0 | 0 | 0.000% |
| 302694 | CF523D. Statistics of Recompressing Videos | 0 | 0 | 0.000% |
| 302839 | CF550B. Preparing Olympiad | 0 | 0 | 0.000% |
| 302911 | CF567E. President and Roads | 0 | 0 | 0.000% |
| 303009 | CF585E. Present for Vitalik the Philatelist | 0 | 0 | 0.000% |
| 303224 | CF627D. Preorder Test | 0 | 0 | 0.000% |
| 303272 | CF633F. The Chocolate Spree | 0 | 0 | 0.000% |
| 303279 | CF634E. Preorder Test | 0 | 0 | 0.000% |
| 303286 | CF635F. Preorder Test | 0 | 0 | 0.000% |
| 303287 | CF635F. Preorder Test | 0 | 0 | 0.000% |
| 303350 | CF650B. Image Preview | 0 | 0 | 0.000% |
| 303351 | CF650C. Table Compression | 0 | 0 | 0.000% |
| 303357 | CF651D. Image Preview | 0 | 0 | 0.000% |
| 303358 | CF651E. Table Compression | 0 | 0 | 0.000% |