Ambitious Kid (Codeforces 1866A)
Tags: Math, math

Chaneka, Pak Chanek's child, is an ambitious kid, so Pak Chanek gives her the following problem to test her ambition.Given an array of integers $$$[A_1, A_2, A_3, \ldots, A_N]$$$. In one operation, Chaneka can choose one element, then increase or decrease the element's value by $$$1$$$. Chaneka can do that operation multiple times, even for different elements.What is the minimum number of operations that must be done to make it such that $$$A_1 \times A_2 \times A_3 \times \ldots \times A_N = 0$$$?

Input: The first line contains a single integer $$$N$$$ ($$$1 \leq N \leq 10^5$$$).The second line contains $$$N$$$ integers $$$A_1, A_2, A_3, \ldots, A_N$$$ ($$$-10^5 \leq A_i \leq 10^5$$$).

Output: An integer representing the minimum number of operations that must be done to make it such that $$$A_1 \times A_2 \times A_3 \times \ldots \times A_N = 0$$$.

Note: In the first example, initially, $$$A_1\times A_2\times A_3=2\times(-6)\times5=-60$$$. Chaneka can do the following sequence of operations:  Decrease the value of $$$A_1$$$ by $$$1$$$. Then, $$$A_1\times A_2\times A_3=1\times(-6)\times5=-30$$$  Decrease the value of $$$A_1$$$ by $$$1$$$. Then, $$$A_1\times A_2\times A_3=0\times(-6)\times5=0$$$ In the third example, Chaneka does not have to do any operations, because from the start, it already holds that $$$A_1\times A_2\times A_3\times A_4\times A_5=0\times(-1)\times0\times1\times0=0$$$

Sample Inputs:
3
2 -6 5

1
-3

5
0 -1 0 1 0

Sample Outputs:
2

3

0

Solution (Python):
print(min(map(abs, map(int, [*open(0)][1].split()))))

Solution (Python):
n = int(input())
alst = list(map(int, input().split()))
alst = [abs(i) for i in alst]
print(min(alst))

Solution (Python):
n = int(input())
a = list(map(int, input().split()))
a = [x * -1 if x < 0 else x for x in a]
print(min(a))