| pascal | Batch | Dynamic Programming, Math | 133 |
| fraction | Batch | Math | 125 |
| cubecutting | Batch | Math | 105 |
| magictowers | Batch | Math | 90 |
| modsum | Batch | NOI 2012, Brute Force, Dynamic Programming, Math | 77 |
| openclose | Batch | String Processing, Ad Hoc, Creative, Math | 75 |
| euclid | Batch | NOI 2006, Number Theory, Math | 63 |
| pushups | Batch | Math | 61 |
| mathforjaneI | Batch | Ad Hoc | 58 |
| sume | Batch | Syntax, Math, COCI 2012/2013 | 52 |
| xorb | Batch | Math | 50 |
| indivisibility | Batch | Math | 44 |
| access_code | Batch | HCI NOI Selection Test 2015, Math | 43 |
| happynumbers | Batch | Math | 42 |
| catnames | Batch | RI NOI Selection Test 2016, Math | 41 |
| idolclub | Batch | Math | 41 |
| formula | Batch | Math | 40 |
| island | Batch | NOI 2018 Prelims, Math, Graph Theory | 40 |
| mathforjaneII | Batch | Ad Hoc | 39 |
| mathforjaneIII | Batch | CS3233 2013 Selection, Ad Hoc | 39 |
| mathtest | Batch | String Processing, Primes | 35 |
| towering | Batch | Math | 35 |
| moreprimes | Batch | Math | 26 |
| experimentexplodeexpel | Batch | Math | 24 |
| spiraldance | Batch | RI-HCI NOI Selection Test 2018, Math | 24 |
| ferrari | Batch | Math | 23 |
| shanoi | Batch | Math | 23 |
| socks | Batch | Math | 23 |
| bananadance | Batch | Math | 22 |
| divisiongame | Batch | Math | 19 |
| palindromicnumber | Batch | Math | 19 |
| wizardparty | Batch | Math | 18 |
| fivefive | Batch | AtCoder, Number Theory, Math | 18 |
| pianokeys | Batch | Math | 17 |
| prosjecni | Batch | Math, COCI 2016/2017 | 16 |
| wonderland | Batch | Ad Hoc, Math | 15 |
| clawdius | Batch | Ad Hoc, Math | 15 |
| levels | Batch | Math | 14 |
| inequalities | Batch | Math | 14 |
| bananaflood | Batch | HCI NOI Selection Test 2016, Math | 13 |
| graphoverflow2 | Batch | Graph Theory, Math | 13 |
| primecount | Batch | Math | 12 |
| radioactive | Batch | NOI 2015, Math | 11 |
| placingtiles | Batch | Math | 11 |
| beancurdfailmath | Batch | Creative | 11 |
| anothersquare | Batch | Math | 10 |
| totient | Batch | Math | 10 |
| magnets | Batch | Math | 9 |
| cokolade | Batch | Math, Precomputation, COCI 2013/2014 | 9 |
| spherical | Batch | Data Structure, Math | 8 |
| play | Batch | Math | 7 |
| nonomath | Batch | Math | 7 |
| alien_value | Batch | Math | 7 |
| scientist | Batch | Math | 6 |
| chessmaster | Batch | Math, Game Theory | 6 |
| rearrangement_hard | Batch | Math | 6 |
| mathexam | Batch | String Processing, Number Theory | 5 |
| drunkenbinary | Batch | Math | 5 |
| highways | Batch | Math | 4 |
| wastingtime | Batch | Math | 4 |
| balloons | Batch | Math | 4 |
| pandafunction | Batch | Creative, Math | 3 |
| smileyville | Batch | Math, Dynamic Programming | 3 |
| permsplit | Batch | Math | 3 |
| fourier | Batch | Math | 3 |
| factorsum | Batch | Math | 3 |
| peachparty | Batch | Dynamic Programming, Data Structure, Math | 2 |
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| blackboxgroup | Batch | Math | 1 |
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