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Find Negative Numbers in Array
Find Negative Numbers in Array
Description:
Print all the negative numbers from a given array, extracting and displaying only those values that are less than zero.
Example 1:
Input: arr = [1, 5, -3, 2, 0, -8, 4]
Output: [-3, -8]
Explanation: The negative numbers in the array are -3 and -8.
Example 2:
Input: arr = [-2, -7, 10, 4, -6, 8]
Output: [-2, -7, -6]
Explanation: The negative numbers in the array are -2, -7, and -6.
Constraints:
The array length |arr| is at least 1 and at most 10^5. Elements in the array are integers ranging from -10^9 to 10^9.
Java Code:
public class HackerAlgo {
public static void printNegativeNumbers(int[] arr) {
for (int num : arr) {
if (num< 0) {
System.out.print(num + " ");
}
}
System.out.println();
}
public static void main(String[] args) {
int[] exampleArr = {1, 5, -3, 2, 0, -8, 4};
printNegativeNumbers(exampleArr);
}
}
Python Code:
def print_negative_numbers(arr):
negatives = [num for num in arr if num< 0]
print(negatives)
# Example usage
example_arr = [1, 5, -3, 2, 0, -8, 4]
print_negative_numbers(example_arr)
C++ Code:
#include <iostream>
#include <vector>
class HackerAlgo {
public:
static void printNegativeNumbers(const std::vector<int>&arr) {
for (int num : arr) {
if (num< 0) {
std::cout<<num<< " ";
}
}
std::cout<< std::endl;
}
};
int main() {
// Example usage
std::vector<int>exampleArr = {1, 5, -3, 2, 0, -8, 4};
HackerAlgo::printNegativeNumbers(exampleArr);
return 0;
}
JavaScript Code:
class HackerAlgo {
static printNegativeNumbers(arr) {
const negatives = arr.filter(num =>num< 0);
console.log(negatives);
}
}
// Example usage
constexampleArr = [1, 5, -3, 2, 0, -8, 4];
HackerAlgo.printNegativeNumbers(exampleArr);
