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ID Problem Show tags Hide tags AC / Tried Difficulty
3557 ADACAROT  Ada and Carrot 0 / 0 (None)
3616 ADACON  Ada and Connections 0 / 0 (None)
3655 ADADIG  Ada and Digits 0 / 0 (None)
3671 ADADIGIT  Ada and Digits 2 0 / 0 (None)
3554 ADADUNG  Ada and Manure 0 / 0 (None)
3555 ADAGCD  Ada and GCD 0 / 0 (None)
3548 ADAHACK  Ada and Diary 0 / 0 (None)
3552 ADAHW  Ada and Homework 0 / 0 (None)
3651 ADAKOHL  Ada and Kohlrabi 0 / 0 (None)
3618 ADATAXES  Ada and Taxes 0 / 0 (None)
1156 ALICECUB  Alice’s Cube 0 / 0 (None)
1962 AMR11E  Distinct Primes 0 / 0 (None)
1088 ANARC08G  Think I will Buy Me a Football Team 0 / 0 (None)
1184 ANARC09C  Not So Flat After All 0 / 0 (None)
2461 APS  Amazing Prime Sequence 0 / 0 (None)
3563 BERNULLI  Bernoulli numbers 0 / 0 (None)
3083 CEQU  Crucial Equation 0 / 0 (None)
838 CPRIME  Prime Number Theorem 0 / 0 (None)
1737 CUBEFR  Cube Free Numbers 0 / 0 (None)
291 DIV  Divisors 0 / 0 (None)
292 DIV2  Divisors 2 0 / 0 (None)
3161 DIVFACT  Divisors of factorial 0 / 0 (None)
3228 EASYFACT  Easy Factorials 0 / 0 (None)
985 ETF  Euler Totient Function 0 / 0 (None)
3158 ETFD  Euler Totient Function Depth 0 / 0 (None)
1124 FACT0  Integer Factorization (15 digits) 0 / 0 (None)
3681 FACTMODP  Factorial Modulo Prime 0 / 0 (None)
3290 FCDC  Factorial Modulo 0 / 0 (None)
3248 FIBPOL  Fibonacci Polynomial 0 / 0 (None)
1224 FINDPRM  Finding Primes 0 / 0 (None)
1253 FNRANK  Rank of a Fraction 0 / 0 (None)
1231 FRQPRIME  Frequent Prime Ranges 0 / 0 (None)
890 GCDEX  GCD Extreme 0 / 0 (None)
3953 GCDGOOD  GCD Goodness 0 / 0 (None)
3323 GCDMAT2  GCD OF MATRIX (hard) 0 / 0 (None)
3952 GCDPRDSM  GCD Product Sum 0 / 0 (None)
2261 GRASSPLA  Grass Planting 0 / 0 (None)
2878 HG  HUGE GCD 0 / 0 (None)
992 HS08PAUL  A conjecture of Paul Erdős 0 / 0 (None)
2279 HS12PRIM  Classification from Erdős and Selfridge 0 / 0 (None)
3414 IAPCR2D  Find The Number 0 / 0 (None)
1249 INCPOWK  Increasing Powers of K 0 / 0 (None)
1252 INVCNT  Inversion Count 0 / 0 (None)
3931 JPM  Just Primes 0 / 0 (None)
3932 JPM2  Just Primes II 0 / 0 (None)
2274 KFSTB  Help the Commander in Chief 0 / 0 (None)
3786 KPOWERSUM  Kth Power Summation 0 / 0 (None)
819 LASTDIG  The last digit 0 / 0 (None)
1225 LCMSUM  LCM Sum 0 / 0 (None)
1784 MAIN111  Strictly not a Prime 0 / 0 (None)
1270 MB1  PP numbers 0 / 0 (None)
926 MCIRGAME  Point Connection Game in a Circle 0 / 0 (None)
2367 NDIV  n-divisors 0 / 0 (None)
1282 NDIVPHI  N DIV PHI_N 0 / 0 (None)
1578 NFACTOR  N-Factorful 0 / 0 (None)
1254 NGM2  Another Game With Numbers 0 / 0 (None)
3659 NKDIV  N..K..Divide 0 / 0 (None)
753 ODDDIV  Odd Numbers of Divisors 0 / 0 (None)
1118 PA06ANT  Ant 0 / 0 (None)
1214 PARADOX  Paradox 0 / 0 (None)
851 PATHEADS  Patting Heads 0 / 0 (None)
3887 PERFSQNUM  Yet Another Perfect Square Equation 0 / 0 (None)
112 PHONY  Phony Primes 0 / 0 (None)
3236 POWFIB  Fibo and non fibo 0 / 0 (None)
1918 POWTOW  Power Tower City 0 / 0 (None)
2 PRIME1  Prime Generator 0 / 0 (None)
3468 PROD1GCD  Product it again 0 / 0 (None)
2802 PSYCHO3  Make Psycho 0 / 0 (None)
2213 PTIME  Prime Time 0 / 0 (None)
1256 PYRA  Treeramids 0 / 0 (None)
3909 RKRCTAN  The Attack Titan 0 / 0 (None)
994 SQFREE  Square-free integers 0 / 0 (None)
3921 SQPENT  Square Pentagon 0 / 0 (None)
3205 SUFFIX  Suffixes 0 / 0 (None)
3328 SUMDEC2  Sum the Decimal-part II 0 / 0 (None)
2800 TBATTLE  Thor vs Frost Giants 0 / 0 (None)
858 TRAFFICN  Traffic Network 0 / 0 (None)
3937 TRIMOD2  The triangle of Pascal modulo 2 0 / 0 (None)
1142 TUTMRBL  Playing with Marbles 0 / 0 (None)
82 TWOSQRS  Two squares or not two squares 0 / 0 (None)
1078 UCI2009B  Binomial Coefficients 0 / 0 (None)
3435 VECTAR9  Mangu Numbers 0 / 0 (None)
3375 WONOWON  Wonowon 0 / 0 (None)
2973 WPC5I  LCM 0 / 0 (None)
1260 YODANESS  Yodaness Level 0 / 0 (None)
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