Number Theory and Combinatorics Practice

Practice number theory and combinatorics through 53 problems, ordered from NT01 to NT53.

Problems

#	Problem	Points	AC Rate	Users
1	Big Integer Addition	100	0.0%	0
2	Multiple Big Integer Additions	100	0.0%	0
3	Cell Division	100	0.0%	0
4	Fibonacci Queries	100	0.0%	0
5	Large Fibonacci Queries	100	0.0%	0
6	Primes below n	100	0.0%	0
7	Primality Queries	100	0.0%	0
8	Prime Factorization	100	0.0%	0
9	Number of Divisors	100	0.0%	0
10	Prime Check	100	0.0%	0
11	Prime Sieve	100	0.0%	0
12	Multiple Prime Checks	100	0.0%	0
13	Prime Numbers with Prime Digits	100	0.0%	0
14	Goldbach Pairs	100	0.0%	0
15	Pure Prime Numbers	100	0.0%	0
16	Coprime Pairs	100	0.0%	0
17	T-primes	100	0.0%	0
18	Count T-primes	100	0.0%	0
19	Divisor Count from a Factorization	100	0.0%	0
20	Smallest Prime Factors	100	0.0%	0
21	Factorization with Exponents	100	0.0%	0
22	Exponent of a Prime in n!	100	0.0%	0
23	Trailing Zeroes of n!	100	0.0%	0
24	Sphenic Number	100	0.0%	0
25	Smith Number	100	0.0%	0
26	Largest Prime Factor	100	0.0%	0
27	Divisible by a Prime Square	100	0.0%	0
28	Powerful Numbers	100	0.0%	0
29	Repeated Digit Sum	100	0.0%	0
30	Right-truncatable Primes	100	0.0%	0
31	Pascal's Triangle	100	0.0%	0
32	Perfect Square Check	100	0.0%	0
33	Perfect Squares in a Range	100	0.0%	0
34	Count Perfect Squares in a Range	100	0.0%	0
35	Sum of Divisors	100	0.0%	0
36	Count Divisors	100	0.0%	0
37	Odd Number of Divisors	100	0.0%	0
38	Perfect Number	100	0.0%	0
39	Palindromes with Three Prime Divisors	100	0.0%	0
40	Lucky Digits	100	0.0%	0
41	Lucky Palindromes	100	0.0%	0
42	Primes Whose Last Digit Is Largest	100	0.0%	0
43	k-th Prime Factor	100	0.0%	0
44	Euler's Totient Function	100	0.0%	0
45	Prime Digits	100	0.0%	0
46	Smallest Common Multiple with n Digits	100	0.0%	0
47	GCD and LCM	100	0.0%	0
48	Pascal's Triangle Modulo	100	0.0%	0
49	Modular Exponentiation	100	0.0%	0
50	Number of Divisors of n!	100	0.0%	0
51	Alternating Sum	100	0.0%	0
52	Last Digit of 1378^N	100	0.0%	0
53	A Distinct Goldbach Pair	100	0.0%	0
54	Digit Sum	100	100.0%	1
55	Digit Sums in an Array	100	0.0%	0
56	Prime Check	100	0.0%	0
57	Prime Elements	100	0.0%	0
58	Perfect Square Check	100	0.0%	0
59	Perfect Squares up to N	100	0.0%	0
60	Perfect Square Elements	100	0.0%	0
61	Prime Factorization	100	0.0%	0
62	Multiple Prime Factorizations	100	0.0%	0
63	Perfect Numbers up to N	100	0.0%	0
64	Binomial Coefficient	100	0.0%	0
65	Palindrome Numbers	100	0.0%	0
66	Sum of Divisors	100	0.0%	0
67	First N Fibonacci Numbers	100	0.0%	0
68	Fibonacci Membership	100	0.0%	0
69	GCD and LCM	100	0.0%	0
70	Primes up to N	100	0.0%	0
71	Squared Difference	100	0.0%	0
72	Difference of Cubes	100	0.0%	0
73	Integer and Fractional Parts	100	0.0%	0
74	Triangle Area	100	0.0%	0
75	Average of Two Numbers	100	0.0%	0
76	Tiered Electricity Bill	100	0.0%	0
77	Pairs with a Bounded Sum	100	0.0%	0

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