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TAOCP 7.2.1.5 Exercise 71

We seek all integers $n < 10^9$ such that the equation $x_1 + x_2 + \cdots + x_n = x_1 x_2 \cdots x_n$ has exactly one solution in positive integers satisfying $x_1 \ge x_2 \ge \cdots \ge x_n$.

taocpmathematicsalgorithmsvolume-4math-medium
TAOCP 7.2.1.5 Exercise 70

We seek all integers $n < 10^9$ such that the equation $x_1 + x_2 + \cdots + x_n = x_1 x_2 \cdots x_n$ has exactly one solution in positive integers satisfying $x_1 \ge x_2 \ge \cdots \ge x_n$.

taocpmathematicsalgorithmsvolume-4math-hard
TAOCP 7.2.1.5 Exercise 69

We seek all integers $n < 10^9$ such that the equation $x_1 + x_2 + \cdots + x_n = x_1 x_2 \cdots x_n$ has exactly one solution in positive integers satisfying $x_1 \ge x_2 \ge \cdots \ge x_n$.

taocpmathematicsalgorithmsvolume-4medium
TAOCP 7.2.1.5 Exercise 68

We seek all integers $n < 10^9$ such that the equation $x_1 + x_2 + \cdots + x_n = x_1 x_2 \cdots x_n$ has exactly one solution in positive integers satisfying $x_1 \ge x_2 \ge \cdots \ge x_n$.

taocpmathematicsalgorithmsvolume-4medium
TAOCP 7.2.1.5 Exercise 67

We seek all integers $n < 10^9$ such that the equation $x_1 + x_2 + \cdots + x_n = x_1 x_2 \cdots x_n$ has exactly one solution in positive integers satisfying $x_1 \ge x_2 \ge \cdots \ge x_n$.

taocpmathematicsalgorithmsvolume-4hm-medium
TAOCP 7.2.1.5 Exercise 66

We seek all integers $n < 10^9$ such that the equation $x_1 + x_2 + \cdots + x_n = x_1 x_2 \cdots x_n$ has exactly one solution in positive integers satisfying $x_1 \ge x_2 \ge \cdots \ge x_n$.

taocpmathematicsalgorithmsvolume-4math-research
TAOCP 7.2.1.5 Exercise 65

We seek all integers $n < 10^9$ such that the equation $x_1 + x_2 + \cdots + x_n = x_1 x_2 \cdots x_n$ has exactly one solution in positive integers satisfying $x_1 \ge x_2 \ge \cdots \ge x_n$.

taocpmathematicsalgorithmsvolume-4hm-hard
TAOCP 7.2.1.5 Exercise 64

We seek all integers $n < 10^9$ such that the equation $x_1 + x_2 + \cdots + x_n = x_1 x_2 \cdots x_n$ has exactly one solution in positive integers satisfying $x_1 \ge x_2 \ge \cdots \ge x_n$.

taocpmathematicsalgorithmsvolume-4hm-project
TAOCP 7.2.1.5 Exercise 63

We seek all integers $n < 10^9$ such that the equation $x_1 + x_2 + \cdots + x_n = x_1 x_2 \cdots x_n$ has exactly one solution in positive integers satisfying $x_1 \ge x_2 \ge \cdots \ge x_n$.

taocpmathematicsalgorithmsvolume-4math-hard
TAOCP 7.2.1.5 Exercise 62

We seek all integers $n < 10^9$ such that the equation $x_1 + x_2 + \cdots + x_n = x_1 x_2 \cdots x_n$ has exactly one solution in positive integers satisfying $x_1 \ge x_2 \ge \cdots \ge x_n$.

taocpmathematicsalgorithmsvolume-4hm-project
TAOCP 7.2.1.5 Exercise 61

We seek all integers $n < 10^9$ such that the equation $x_1 + x_2 + \cdots + x_n = x_1 x_2 \cdots x_n$ has exactly one solution in positive integers satisfying $x_1 \ge x_2 \ge \cdots \ge x_n$.

taocpmathematicsalgorithmsvolume-4hm-hard
CF 102889C - 亦或骗子

We are given an array and we are allowed to split it into contiguous segments by assigning each position to a segment label.

codeforcescompetitive-programming
TAOCP 7.2.1.5 Exercise 60

We seek all integers $n < 10^9$ such that the equation $x_1 + x_2 + \cdots + x_n = x_1 x_2 \cdots x_n$ has exactly one solution in positive integers satisfying $x_1 \ge x_2 \ge \cdots \ge x_n$.

taocpmathematicsalgorithmsvolume-4hm-medium
TAOCP 7.2.1.5 Exercise 59

We seek all integers $n < 10^9$ such that the equation $x_1 + x_2 + \cdots + x_n = x_1 x_2 \cdots x_n$ has exactly one solution in positive integers satisfying $x_1 \ge x_2 \ge \cdots \ge x_n$.

taocpmathematicsalgorithmsvolume-4hm-medium
TAOCP 7.2.1.5 Exercise 45

We seek all integers $n < 10^9$ such that the equation $x_1 + x_2 + \cdots + x_n = x_1 x_2 \cdots x_n$ has exactly one solution in positive integers satisfying $x_1 \ge x_2 \ge \cdots \ge x_n$.

taocpmathematicsalgorithmsvolume-4hm-medium
TAOCP 7.2.1.5 Exercise 44

We seek all integers $n < 10^9$ such that the equation $x_1 + x_2 + \cdots + x_n = x_1 x_2 \cdots x_n$ has exactly one solution in positive integers satisfying $x_1 \ge x_2 \ge \cdots \ge x_n$.

taocpmathematicsalgorithmsvolume-4hm-medium
TAOCP 7.2.1.5 Exercise 43

We seek all integers $n < 10^9$ such that the equation $x_1 + x_2 + \cdots + x_n = x_1 x_2 \cdots x_n$ has exactly one solution in positive integers satisfying $x_1 \ge x_2 \ge \cdots \ge x_n$.

taocpmathematicsalgorithmsvolume-4hm-medium
CF 102889J - 括号序列

We are given a balanced parentheses string of length (n), and then we process (m) range operations. Each operation picks a segment ([l, r]) and flips every character in that range: every '(' becomes ')' and every ')' becomes '('.

codeforcescompetitive-programming
CF 102889D - 树上路径

We are given a line of trees labeled from 1 to n, and we always start at tree 1 and end at tree n. A valid “tree path” is defined by selecting a sequence of visited trees, including both endpoints, where each next move jumps forward by at least k positions.

codeforcescompetitive-programming
TAOCP 7.2.1.5 Exercise 42

We seek all integers $n < 10^9$ such that the equation $x_1 + x_2 + \cdots + x_n = x_1 x_2 \cdots x_n$ has exactly one solution in positive integers satisfying $x_1 \ge x_2 \ge \cdots \ge x_n$.

taocpmathematicsalgorithmsvolume-4hm-medium
TAOCP 7.2.1.5 Exercise 41

We seek all integers $n < 10^9$ such that the equation $x_1 + x_2 + \cdots + x_n = x_1 x_2 \cdots x_n$ has exactly one solution in positive integers satisfying $x_1 \ge x_2 \ge \cdots \ge x_n$.

taocpmathematicsalgorithmsvolume-4hm-medium
TAOCP 7.2.1.5 Exercise 40

We seek all integers $n < 10^9$ such that the equation $x_1 + x_2 + \cdots + x_n = x_1 x_2 \cdots x_n$ has exactly one solution in positive integers satisfying $x_1 \ge x_2 \ge \cdots \ge x_n$.

taocpmathematicsalgorithmsvolume-4hm-medium
TAOCP 7.2.1.5 Exercise 39

We seek all integers $n < 10^9$ such that the equation $x_1 + x_2 + \cdots + x_n = x_1 x_2 \cdots x_n$ has exactly one solution in positive integers satisfying $x_1 \ge x_2 \ge \cdots \ge x_n$.

taocpmathematicsalgorithmsvolume-4hm-medium
TAOCP 7.2.1.5 Exercise 38

We seek all integers $n < 10^9$ such that the equation $x_1 + x_2 + \cdots + x_n = x_1 x_2 \cdots x_n$ has exactly one solution in positive integers satisfying $x_1 \ge x_2 \ge \cdots \ge x_n$.

taocpmathematicsalgorithmsvolume-4math-hard
TAOCP 7.2.1.5 Exercise 37

We seek all integers $n < 10^9$ such that the equation $x_1 + x_2 + \cdots + x_n = x_1 x_2 \cdots x_n$ has exactly one solution in positive integers satisfying $x_1 \ge x_2 \ge \cdots \ge x_n$.

taocpmathematicsalgorithmsvolume-4math-medium
TAOCP 7.2.1.5 Exercise 36

We seek all integers $n < 10^9$ such that the equation $x_1 + x_2 + \cdots + x_n = x_1 x_2 \cdots x_n$ has exactly one solution in positive integers satisfying $x_1 \ge x_2 \ge \cdots \ge x_n$.

taocpmathematicsalgorithmsvolume-4math-medium
TAOCP 7.2.1.5 Exercise 35

We seek all integers $n < 10^9$ such that the equation $x_1 + x_2 + \cdots + x_n = x_1 x_2 \cdots x_n$ has exactly one solution in positive integers satisfying $x_1 \ge x_2 \ge \cdots \ge x_n$.

taocpmathematicsalgorithmsvolume-4math-medium
TAOCP 7.2.1.5 Exercise 34

We seek all integers $n < 10^9$ such that the equation $x_1 + x_2 + \cdots + x_n = x_1 x_2 \cdots x_n$ has exactly one solution in positive integers satisfying $x_1 \ge x_2 \ge \cdots \ge x_n$.

taocpmathematicsalgorithmsvolume-4simple
TAOCP 7.2.1.5 Exercise 33

We seek all integers $n < 10^9$ such that the equation $x_1 + x_2 + \cdots + x_n = x_1 x_2 \cdots x_n$ has exactly one solution in positive integers satisfying $x_1 \ge x_2 \ge \cdots \ge x_n$.

taocpmathematicsalgorithmsvolume-4math-medium
TAOCP 7.2.1.5 Exercise 32

We seek all integers $n < 10^9$ such that the equation $x_1 + x_2 + \cdots + x_n = x_1 x_2 \cdots x_n$ has exactly one solution in positive integers satisfying $x_1 \ge x_2 \ge \cdots \ge x_n$.

taocpmathematicsalgorithmsvolume-4math-medium
TAOCP 7.2.1.5 Exercise 31

We seek all integers $n < 10^9$ such that the equation $x_1 + x_2 + \cdots + x_n = x_1 x_2 \cdots x_n$ has exactly one solution in positive integers satisfying $x_1 \ge x_2 \ge \cdots \ge x_n$.

taocpmathematicsalgorithmsvolume-4hm-medium
TAOCP 7.2.1.5 Exercise 30

We seek all integers $n < 10^9$ such that the equation $x_1 + x_2 + \cdots + x_n = x_1 x_2 \cdots x_n$ has exactly one solution in positive integers satisfying $x_1 \ge x_2 \ge \cdots \ge x_n$.

taocpmathematicsalgorithmsvolume-4hm-hard
TAOCP 7.2.1.5 Exercise 29

We seek all integers $n < 10^9$ such that the equation $x_1 + x_2 + \cdots + x_n = x_1 x_2 \cdots x_n$ has exactly one solution in positive integers satisfying $x_1 \ge x_2 \ge \cdots \ge x_n$.

taocpmathematicsalgorithmsvolume-4math-hard
TAOCP 7.2.1.5 Exercise 28

We seek all integers $n < 10^9$ such that the equation $x_1 + x_2 + \cdots + x_n = x_1 x_2 \cdots x_n$ has exactly one solution in positive integers satisfying $x_1 \ge x_2 \ge \cdots \ge x_n$.

taocpmathematicsalgorithmsvolume-4math-medium
TAOCP 7.2.1.5 Exercise 27

We seek all integers $n < 10^9$ such that the equation $x_1 + x_2 + \cdots + x_n = x_1 x_2 \cdots x_n$ has exactly one solution in positive integers satisfying $x_1 \ge x_2 \ge \cdots \ge x_n$.

taocpmathematicsalgorithmsvolume-4math-hard
TAOCP 7.2.1.5 Exercise 26

We seek all integers $n < 10^9$ such that the equation $x_1 + x_2 + \cdots + x_n = x_1 x_2 \cdots x_n$ has exactly one solution in positive integers satisfying $x_1 \ge x_2 \ge \cdots \ge x_n$.

taocpmathematicsalgorithmsvolume-4math-simple
TAOCP 7.2.1.5 Exercise 25

We seek all integers $n < 10^9$ such that the equation $x_1 + x_2 + \cdots + x_n = x_1 x_2 \cdots x_n$ has exactly one solution in positive integers satisfying $x_1 \ge x_2 \ge \cdots \ge x_n$.

taocpmathematicsalgorithmsvolume-4math-hard
TAOCP 7.2.1.5 Exercise 24

We seek all integers $n < 10^9$ such that the equation $x_1 + x_2 + \cdots + x_n = x_1 x_2 \cdots x_n$ has exactly one solution in positive integers satisfying $x_1 \ge x_2 \ge \cdots \ge x_n$.

taocpmathematicsalgorithmsvolume-4hm-hard
TAOCP 7.2.1.5 Exercise 23

We seek all integers $n < 10^9$ such that the equation $x_1 + x_2 + \cdots + x_n = x_1 x_2 \cdots x_n$ has exactly one solution in positive integers satisfying $x_1 \ge x_2 \ge \cdots \ge x_n$.

taocpmathematicsalgorithmsvolume-4hm-hard
TAOCP 7.2.1.5 Exercise 22

We seek all integers $n < 10^9$ such that the equation $x_1 + x_2 + \cdots + x_n = x_1 x_2 \cdots x_n$ has exactly one solution in positive integers satisfying $x_1 \ge x_2 \ge \cdots \ge x_n$.

taocpmathematicsalgorithmsvolume-4math-simple
TAOCP 7.2.1.5 Exercise 21

We seek all integers $n < 10^9$ such that the equation $x_1 + x_2 + \cdots + x_n = x_1 x_2 \cdots x_n$ has exactly one solution in positive integers satisfying $x_1 \ge x_2 \ge \cdots \ge x_n$.

taocpmathematicsalgorithmsvolume-4math-hard
TAOCP 7.2.1.5 Exercise 20

We seek all integers $n < 10^9$ such that the equation $x_1 + x_2 + \cdots + x_n = x_1 x_2 \cdots x_n$ has exactly one solution in positive integers satisfying $x_1 \ge x_2 \ge \cdots \ge x_n$.

taocpmathematicsalgorithmsvolume-4medium
TAOCP 7.2.1.5 Exercise 19

We seek all integers $n < 10^9$ such that the equation $x_1 + x_2 + \cdots + x_n = x_1 x_2 \cdots x_n$ has exactly one solution in positive integers satisfying $x_1 \ge x_2 \ge \cdots \ge x_n$.

taocpmathematicsalgorithmsvolume-4hard
TAOCP 7.2.1.5 Exercise 18

We seek all integers $n < 10^9$ such that the equation $x_1 + x_2 + \cdots + x_n = x_1 x_2 \cdots x_n$ has exactly one solution in positive integers satisfying $x_1 \ge x_2 \ge \cdots \ge x_n$.

taocpmathematicsalgorithmsvolume-4math-simple
TAOCP 7.2.1.5 Exercise 17

We seek all integers $n < 10^9$ such that the equation $x_1 + x_2 + \cdots + x_n = x_1 x_2 \cdots x_n$ has exactly one solution in positive integers satisfying $x_1 \ge x_2 \ge \cdots \ge x_n$.

taocpmathematicsalgorithmsvolume-4hard
TAOCP 7.2.1.5 Exercise 16

We seek all integers $n < 10^9$ such that the equation $x_1 + x_2 + \cdots + x_n = x_1 x_2 \cdots x_n$ has exactly one solution in positive integers satisfying $x_1 \ge x_2 \ge \cdots \ge x_n$.

taocpmathematicsalgorithmsvolume-4medium
TAOCP 7.2.1.5 Exercise 15

We seek all integers $n < 10^9$ such that the equation $x_1 + x_2 + \cdots + x_n = x_1 x_2 \cdots x_n$ has exactly one solution in positive integers satisfying $x_1 \ge x_2 \ge \cdots \ge x_n$.

taocpmathematicsalgorithmsvolume-4math-medium
TAOCP 7.2.1.5 Exercise 14

We seek all integers $n < 10^9$ such that the equation $x_1 + x_2 + \cdots + x_n = x_1 x_2 \cdots x_n$ has exactly one solution in positive integers satisfying $x_1 \ge x_2 \ge \cdots \ge x_n$.

taocpmathematicsalgorithmsvolume-4hard
TAOCP 7.2.1.5 Exercise 13

We seek all integers $n < 10^9$ such that the equation $x_1 + x_2 + \cdots + x_n = x_1 x_2 \cdots x_n$ has exactly one solution in positive integers satisfying $x_1 \ge x_2 \ge \cdots \ge x_n$.

taocpmathematicsalgorithmsvolume-4math-hard
TAOCP 7.2.1.5 Exercise 12

We seek all integers $n < 10^9$ such that the equation $x_1 + x_2 + \cdots + x_n = x_1 x_2 \cdots x_n$ has exactly one solution in positive integers satisfying $x_1 \ge x_2 \ge \cdots \ge x_n$.

taocpmathematicsalgorithmsvolume-4math-hard
TAOCP 7.2.1.5 Exercise 11

We seek all integers $n < 10^9$ such that the equation $x_1 + x_2 + \cdots + x_n = x_1 x_2 \cdots x_n$ has exactly one solution in positive integers satisfying $x_1 \ge x_2 \ge \cdots \ge x_n$.

taocpmathematicsalgorithmsvolume-4hard
TAOCP 7.2.1.5 Exercise 10

We seek all integers $n < 10^9$ such that the equation $x_1 + x_2 + \cdots + x_n = x_1 x_2 \cdots x_n$ has exactly one solution in positive integers satisfying $x_1 \ge x_2 \ge \cdots \ge x_n$.

taocpmathematicsalgorithmsvolume-4medium
TAOCP 7.2.1.5 Exercise 9

We seek all integers $n < 10^9$ such that the equation $x_1 + x_2 + \cdots + x_n = x_1 x_2 \cdots x_n$ has exactly one solution in positive integers satisfying $x_1 \ge x_2 \ge \cdots \ge x_n$.

taocpmathematicsalgorithmsvolume-4math-medium
TAOCP 7.2.1.5 Exercise 8

We seek all integers $n < 10^9$ such that the equation $x_1 + x_2 + \cdots + x_n = x_1 x_2 \cdots x_n$ has exactly one solution in positive integers satisfying $x_1 \ge x_2 \ge \cdots \ge x_n$.

taocpmathematicsalgorithmsvolume-4medium
TAOCP 7.2.1.5 Exercise 7

We seek all integers $n < 10^9$ such that the equation $x_1 + x_2 + \cdots + x_n = x_1 x_2 \cdots x_n$ has exactly one solution in positive integers satisfying $x_1 \ge x_2 \ge \cdots \ge x_n$.

taocpmathematicsalgorithmsvolume-4math-medium
TAOCP 7.2.1.5 Exercise 6

We seek all integers $n < 10^9$ such that the equation $x_1 + x_2 + \cdots + x_n = x_1 x_2 \cdots x_n$ has exactly one solution in positive integers satisfying $x_1 \ge x_2 \ge \cdots \ge x_n$.

taocpmathematicsalgorithmsvolume-4medium
TAOCP 7.2.1.5 Exercise 5

We seek all integers $n < 10^9$ such that the equation $x_1 + x_2 + \cdots + x_n = x_1 x_2 \cdots x_n$ has exactly one solution in positive integers satisfying $x_1 \ge x_2 \ge \cdots \ge x_n$.

taocpmathematicsalgorithmsvolume-4medium
TAOCP 7.2.1.5 Exercise 4

We seek all integers $n < 10^9$ such that the equation $x_1 + x_2 + \cdots + x_n = x_1 x_2 \cdots x_n$ has exactly one solution in positive integers satisfying $x_1 \ge x_2 \ge \cdots \ge x_n$.

taocpmathematicsalgorithmsvolume-4medium
TAOCP 7.2.1.5 Exercise 3

We seek all integers $n < 10^9$ such that the equation $x_1 + x_2 + \cdots + x_n = x_1 x_2 \cdots x_n$ has exactly one solution in positive integers satisfying $x_1 \ge x_2 \ge \cdots \ge x_n$.

taocpmathematicsalgorithmsvolume-4math-medium
TAOCP 7.2.1.5 Exercise 2

We seek all integers $n < 10^9$ such that the equation $x_1 + x_2 + \cdots + x_n = x_1 x_2 \cdots x_n$ has exactly one solution in positive integers satisfying $x_1 \ge x_2 \ge \cdots \ge x_n$.

taocpmathematicsalgorithmsvolume-4medium
TAOCP 7.2.1.5 Exercise 1

We seek all integers $n < 10^9$ such that the equation $x_1 + x_2 + \cdots + x_n = x_1 x_2 \cdots x_n$ has exactly one solution in positive integers satisfying $x_1 \ge x_2 \ge \cdots \ge x_n$.

taocpmathematicsalgorithmsvolume-4medium
TAOCP 7.2.1.4 Exercise 73

We seek all integers $n < 10^9$ such that the equation $x_1 + x_2 + \cdots + x_n = x_1 x_2 \cdots x_n$ has exactly one solution in positive integers satisfying $x_1 \ge x_2 \ge \cdots \ge x_n$.

taocpmathematicsalgorithmsvolume-4math-medium
TAOCP 7.2.1.4 Exercise 72

We seek all integers $n < 10^9$ such that the equation $x_1 + x_2 + \cdots + x_n = x_1 x_2 \cdots x_n$ has exactly one solution in positive integers satisfying $x_1 \ge x_2 \ge \cdots \ge x_n$.

taocpmathematicsalgorithmsvolume-4math-hard
TAOCP 7.2.1.4 Exercise 71

We seek all integers $n < 10^9$ such that the equation $x_1 + x_2 + \cdots + x_n = x_1 x_2 \cdots x_n$ has exactly one solution in positive integers satisfying $x_1 \ge x_2 \ge \cdots \ge x_n$.

taocpmathematicsalgorithmsvolume-4math-research
TAOCP 7.2.1.4 Exercise 70

We seek all integers $n < 10^9$ such that the equation $x_1 + x_2 + \cdots + x_n = x_1 x_2 \cdots x_n$ has exactly one solution in positive integers satisfying $x_1 \ge x_2 \ge \cdots \ge x_n$.

taocpmathematicsalgorithmsvolume-4math-hard
TAOCP 7.2.1.4 Exercise 69

We seek all integers $n < 10^9$ such that the equation $x_1 + x_2 + \cdots + x_n = x_1 x_2 \cdots x_n$ has exactly one solution in positive integers satisfying $x_1 \ge x_2 \ge \cdots \ge x_n$.

taocpmathematicsalgorithmsvolume-4math-hard
TAOCP 7.2.1.4 Exercise 68

Let the perfect partition be a multiset with distinct values $v_1 < v_2 < \cdots < v_t$, where each value $v_i$ occurs with multiplicity $b_i-1 \ge 0$.

taocpmathematicsalgorithmsvolume-4math-medium
TAOCP 7.2.1.4 Exercise 67

Let the perfect partition be a multiset with distinct values $v_1 < v_2 < \cdots < v_t$, where each value $v_i$ occurs with multiplicity $b_i-1 \ge 0$.

taocpmathematicsalgorithmsvolume-4math-medium
TAOCP 7.2.1.4 Exercise 66

Let $P$ be a poset on ${1,\dots,m}$ with relation $\prec$, relabeled so that $j \prec k \Rightarrow j \le k$.

taocpmathematicsalgorithmsvolume-4math-medium
TAOCP 7.2.1.4 Exercise 65

Let $m=\prod_{p} p^{E_p}$ be the prime factorization of $m$, where each $E_p\ge 0$.

taocpmathematicsalgorithmsvolume-4medium
TAOCP 7.2.1.4 Exercise 64

Let $\lambda = (\lambda_1 \ge \lambda_2 \ge \cdots)$ and $\mu = (\mu_1 \ge \mu_2 \ge \cdots)$ be partitions of the same integer $n$.

taocpmathematicsalgorithmsvolume-4hard
TAOCP 7.2.1.4 Exercise 63

Solution to TAOCP 7.2.1.4 Exercise 63.

taocpmathematicsalgorithmsvolume-4research
TAOCP 7.2.1.4 Exercise 62

Let $\mathcal{P}(n,m)$ denote the set of partitions $\alpha = a_1 \ge a_2 \ge \cdots$ of $n$ with largest part $a_1 \le m$.

taocpmathematicsalgorithmsvolume-4research
TAOCP 7.2.1.4 Exercise 61

A partition of $n$ is a nonincreasing sequence a_1 \ge a_2 \ge \cdots \ge a_m \ge 1,\qquad a_1+\cdots+a_m=n.

taocpmathematicsalgorithmsvolume-4hard
TAOCP 7.2.1.4 Exercise 60

The solution does not address the stated problem.

taocpmathematicsalgorithmsvolume-4medium
TAOCP 7.2.1.4 Exercise 59

The solution does not address the stated problem.

taocpmathematicsalgorithmsvolume-4math-medium
TAOCP 7.2.1.4 Exercise 58

Let F_\alpha(x_1,\dots,x_m)=\frac{1}{m!

taocpmathematicsalgorithmsvolume-4math-medium
CF 102893H - Hard Work

I’m missing the actual statement for Codeforces 102893H - Hard Work. Without the problem description (input/output definition and constraints), I can’t produce a correct editorial or even infer the intended solution reliably.

codeforcescompetitive-programming
CF 102893J - Straight

The problem statement section is empty, so there isn’t enough information to reconstruct what Codeforces 102893J - Straight actually asks.

codeforcescompetitive-programming
CF 102893E - Prank at IKEA

I can’t write a correct editorial yet because the actual problem statement for Codeforces 102893E - Prank at IKEA is missing.

codeforcescompetitive-programming
CF 102893D - Multiple Subject Lessons

I can’t write a correct Codeforces editorial for this yet because the actual problem statement is missing. Right now I only see the title “102893D - Multiple Subject Lessons” but no description of: what the input contains, what decisions we’re making, or what the output…

codeforcescompetitive-programming
CF 102893A - Bank Transfer

I’m missing the actual problem statement for Codeforces 102893A “Bank Transfer”, so I can’t reliably reconstruct the task or write a correct editorial.

codeforcescompetitive-programming
TAOCP 7.2.1.4 Exercise 57

Let $\lambda = (\lambda_1 \ge \lambda_2 \ge \cdots \ge 0)$ and $\mu = (\mu_1 \ge \mu_2 \ge \cdots \ge 0)$ be partitions of the same integer $n$, and assume $\lambda \preceq \mu$ in the majorization or...

taocpmathematicsalgorithmsvolume-4math-medium
TAOCP 7.2.1.4 Exercise 56

Let $\lambda = (\lambda_1 \ge \lambda_2 \ge \cdots \ge 0)$ and $\mu = (\mu_1 \ge \mu_2 \ge \cdots \ge 0)$ be partitions of the same integer $n$, and assume $\lambda \preceq \mu$ in the majorization or...

taocpmathematicsalgorithmsvolume-4math-hard
TAOCP 7.2.1.4 Exercise 55

Let $\alpha = a_1 a_2 \dots a_k$ be a partition of $n$ and define the dominance order $\alpha \succeq \beta$ as in the exercise.

taocpmathematicsalgorithmsvolume-4math-project
CF 102893B - Bacteria

I can’t write a correct editorial yet because the problem statement is missing. “Codeforces 102893B - Bacteria” alone isn’t enough to reconstruct the task reliably, and guessing would risk producing a completely wrong solution and explanation.

codeforcescompetitive-programming
CF 102893C - Check Markers

The problem statement is missing from your prompt, so there’s no way to correctly reconstruct the task, constraints, or required output for “Codeforces 102893C - Check Markers”.

codeforcescompetitive-programming
CF 102891C - Elliptic-EX

I don’t have the actual statement of Codeforces 102891C - Elliptic-EX, and writing a correct editorial without it would force guessing the problem structure, which would make the explanation unreliable.

codeforcescompetitive-programming
TAOCP 7.2.1.4 Exercise 54

Let $a_1 \ge a_2 \ge \cdots \ge a_{32} \ge 1$ with $a_1 + \cdots + a_{32} = 100$.

taocpmathematicsalgorithmsvolume-4math-hard
CF 102891G - Silver Fences

I don’t have the actual problem statement for Codeforces 102891G - Silver Fences in your message, and without it I can’t safely reconstruct the solution or write a correct editorial.

codeforcescompetitive-programming
CF 102891E - Entanglement

We are given a tree-like structure of states, rooted at node 1, where each new state attaches to an earlier state and the connection carries a lowercase letter. Every node corresponds to the string formed by reading letters along the unique path from the root to that node.

codeforcescompetitive-programming
CF 102891F - Alarm Clocks

I can’t write a correct editorial for Codeforces 102891F without the actual problem statement. Right now I don’t know what “Alarm Clocks” is asking, what the input structure looks like, or what algorithmic constraints drive the solution.

codeforcescompetitive-programming
CF 102891A - Apples and Oranges

I don’t have the actual statement for Codeforces 102891A - Apples and Oranges, so I can’t reliably reconstruct the problem or write a correct editorial without guessing.

codeforcescompetitive-programming
CF 102890H - How to Work Less to Pass a Programming Course in Planet E-13

Codeforces 102890H: How to Work Less to Pass a Programming Course in Planet E-13

codeforcescompetitive-programming
TAOCP 7.2.1.4 Exercise 53

Let $a_1 \ge a_2 \ge \cdots \ge a_{32} \ge 1$ with $a_1 + \cdots + a_{32} = 100$.

taocpmathematicsalgorithmsvolume-4math-medium
CF 102890C - Counting triangles

We are given a list of strings, all of the same length, and we are asked to group them by an equivalence relation defined through rotation.

codeforcescompetitive-programming
CF 102890J - Jaime's greedy delivery

I can’t write a correct editorial for this yet because the actual problem statement is missing. Right now I only have the title “Jaime’s greedy delivery”, but none of the essential details like what the inputs represent, what decisions are being made, or what needs to…

codeforcescompetitive-programming
CF 102890D - Debugging the network

The task is about decoding a compressed string where digits act as repetition counters for the characters that follow.

codeforcescompetitive-programming
TAOCP 7.2.1.4 Exercise 52

The statement of Exercise 7.

taocpmathematicsalgorithmsvolume-4math-medium
TAOCP 7.2.1.4 Exercise 51

The statement of Exercise 7.

taocpmathematicsalgorithmsvolume-4math-research