| Id | Name | Done | Resources | Problems | Code | Difficulty |
|---|---|---|---|---|---|---|
| 56 | Binary Exponentiation | 1 | 1 | 1 | ||
| 57 | Modular Inverse | 1 | 1 | 1 | ||
| 58 | Sieve | 1 | 1 | code | 1 | |
| 59 | Sieve upto 1e9 | 1 | code | 3 | ||
| 60 | Extended Euclid | 1 | code | 1 | ||
| 61 | Combinatorics Basics | 1 | code | 1 | ||
| 62 | Lucas Theorem | 1 | code | 1 | ||
| 63 | nCr Modulo Any Mod | 1 2 | 1 | code | 2 | |
| 64 | Prefix Sum Queries of nCi | 1 2 | code | 2 | ||
| 65 | Sum of nCi over a Fixed Congruence Class | 1 | code | 2 | ||
| 66 | "Sum of nCr(a(i) k) for each k from 1 to n" | 1 2 | code | 2 | ||
| 67 | Sum of nCi for a Fixed Large n | 1 | code | 3 | ||
| 68 | Phi Function | 1 | code | 1 | ||
| 69 | Power Tower | 1 | 1 2 | code | 2 | |
| 70 | Mobius Function | 1 | 1 | code | 1 | |
| 71 | CRT | 1 | 1 2 3 4 | code | 1 | |
| 72 | Linear Congruence Equation | 1 | code | 1 | ||
| 73 | Pollard Rho | 1 | 1 | code | 2 | |
| 74 | Primitive Root | 1 | 1 | code | 2 | |
| 75 | Multiplicative Order / Carmichael's Lambda Function | 1 | 1 | code | 2 | |
| 76 | Discrete Log | 1 | 1 2 | code | 2 | |
| 77 | Discrete Root | 1 | 1 | code | 2 | |
| 78 | Discrete Root in O(p^(1/4)) using Tonelli-Shanks Algorithm | 1 | 1 | code | 3 | |
| 79 | Number of Distinct Kth Powers Modulo n | 1 | code | 3 | ||
| 80 | Number of Solutions to x^2 = 1 mod m | 1 | 1 | code | 2 | |
| 81 | Tonelli Shanks Algorithm | 1 | 1 2 | code | 3 | |
| 82 | Pells Equation | 1 2 | 1 | code | 3 | |
| 83 | Linear Diophantine Equation with Two Variables | 1 | 1 | code | 1 | |
| 84 | Trivariable Linear Diophantine Equation with Nonnegative Solutions | 1 | 1 | code | 3 | |
| 85 | Multivariable Linear Diophantine Equation with Nonnegative Solutions | 1 | 1 2 | code | 3 | |
| 86 | Linear Diophantine With N Unknowns and Two Equations | 1 | code | 3 | ||
| 87 | Floor Sum of Arithmetic Progression | 1 | 1 2 | code | 2 | |
| 88 | Generalized Floor Sum of Arithmetic Progression | 1 | 1 | code | 3 | |
| 89 | Sum of Floors | code | 1 | |||
| 90 | Number of Nonnegative Integer Solutions to ax+by ≤ c | code | 3 | |||
| 91 | Number of ax % p in a Range | code | 3 | |||
| 92 | Smallest Nonnegative Integer x s.t. l ≤ ax % p ≤ r | 1 2 | code | 3 | ||
| 93 | Prime Counting Function | 1 | 1 2 | code | 2 | |
| 94 | K Divisors | 1 2 | code | 3 | ||
| 95 | Smallest Number Having Exactly K Divisors | 1 | code | 2 | ||
| 96 | Sum of The Number of Divisors in cbrt(n) | 1 | code | 3 | ||
| 97 | Linear Sieve for Multiplicative Functions | 1 | code | 1 | ||
| 98 | Min_25 Sieve | 1 2 | 1 2 | code | 3 | |
| 99 | Mobius Inversion | 1 | 1 2 | 2 | ||
| 100 | Dirichlet convolution | 1 2 | 1 2 3 | code | 2 | |
| 101 | Number of Solutions to a Basic Linear Algebraic Equation | 1 | 1 | code | 1 | |
| 102 | Number of Solutions to a Basic Linear Algebraic Equation with Variable Upper Bound Constraints | 1 | 1 2 3 | code | 3 | |
| 103 | Partition Function | 1 | 1 | code | 3 | |
| 104 | Stirling Number of the First Kind for Fixed n | 1 | 1 | code | 2 | |
| 105 | Stirling Number of the First Kind for Fixed k | 1 | code | 3 | ||
| 106 | Stirling Number of the Second Kind for Fixed n | 1 | 1 | code | 2 | |
| 107 | Stirling Number of the Second Kind for Fixed k | 1 | 1 | code | 3 | |
| 108 | Bell Number | 1 | code | 2 | ||
| 109 | LCM of Fibonacci Numbers | 1 | 1 | code | 2 | |
| 110 | Phi Field | 1 2 | code | 2 | ||
| 111 | Pisano Period | 1 | 1 2 | code | 3 | |
| 112 | Rational Approximation / Stern-Brocot Tree | 1 2 | 1 | code | 3 | |
| 113 | Factoradic Number System | 1 | 1 | code | 2 | |
| 114 | Intersection of Arithmetic Progressions | 1 | code | 1 | ||
| 115 | Continued Fractions | 1 2 | 1 | code | 2 | |
| 116 | Maximum Coprime Product | 1 | code | 2 |