Program to check if the points are parallel to X axis or Y axis
Given n points, we need to check if these n points are parallel to X axis or Y axis or to No axis.
Examples:
Input : x[] = {0, 0, 0, 0, 0|
y[] = {9, 2, 1, 3, 4}
Output : Parallel to Y Axis
Input : x[] = {1, 2, 3|
y[] = {9, 2, 1}
Output : Not Parallel to X or Y Axis
Approach
To find the points parallel to X or Y axis just check if the points are same for any axis or not. If all the points on X axis are same then the line is parallel to Y axis. If all the points on Y axis are same so the line is parallel to X axis. If none of the cases is true, then it is not parallel to any axis.
Input the value N. And then Input the value of points in a
C++
// CPP program to check for parallel // to X and Y Axis #include <bits/stdc++.h> using namespace std; // To check for parallel line void parallel(int n, int a[][2]) { bool x = true, y = true; // checking for parallel to X and Y // axis condition for (int i = 0; i < n - 1; i++) { if (a[i][0] != a[i + 1][0]) x = false; if (a[i][1] != a[i + 1][1]) y = false; } // To display the output if (x) cout << "parallel to Y Axis" << endl; else if (y) cout << "parallel to X Axis" << endl; else cout << "Not parallel to X" << " and Y Axis" << endl; } // Driver's Code int main() { int a[][2] = { { 1, 2 }, { 1, 4 }, { 1, 6 }, { 1, 0 } }; int n = sizeof(a) / sizeof(a[0]); parallel(n, a); return 0; } |
Java
// Java program to illustrate.. // To check for parallel // To X and Y Axis import java.io.*; import java.util.*; class GFG { // To check for parallel line static void parallel(int a[][]) { boolean x = true, y = true; // checking for parallel to X and Y // axis condition for (int i = 0; i < a.length - 1; i++) { if (a[i][0] != a[i + 1][0]) x = false; if (a[i][1] != a[i + 1][1]) y = false; } // To display the output if (x) System.out.println("Parallel to Y Axis"); else if (y) System.out.println("Parallel to X Axis"); else System.out.println("Not parallel to X" + " and Y axis"); } public static void main(String[] args) { int a[][] = { { 1, 2 }, { 1, 4 }, { 1, 6 }, { 1, 0 } }; parallel(a); } } |
Python3
# Python3 program to check for parallel # to X and Y Axis # To check for parallel line def parallel(n, a): x = True; y = True; # checking for parallel # to X and Y axis condition for i in range(n - 1): if (a[i][0] != a[i + 1][0]): x = False; if (a[i][1] != a[i + 1][1]): y = False; # To display the output if (x): print("Parallel to Y Axis"); elif (y): print("Parallel to X Axis"); else: print("Not Parallel to X and Y Axis"); # Driver's Code a = [[1, 2], [1, 4], [1, 6], [1, 0]]; n = len(a); parallel(n, a); # This code is contributed by mits |
C#
// C# program to illustrate.. // To check for parallel // To X and Y Axis class GFG { // To check for parallel line static void parallel(int[, ] a) { bool x = true, y = true; // checking for parallel to X and Y // axis condition for (int i = 0; i < a.Rank - 1; i++) { if (a[i, 0] != a[i + 1, 0]) x = false; if (a[i, 1] != a[i + 1, 1]) y = false; } // To display the output if (x) System.Console.WriteLine("Parallel to Y Axis"); else if (y) System.Console.WriteLine("Parallel to X Axis"); else System.Console.WriteLine("Not parallel to X" + " and Y axis"); } public static void Main() { int[, ] a = { { 1, 2 }, { 1, 4 }, { 1, 6 }, { 1, 0 } }; parallel(a); } } // This code is contributed by mits |
PHP
<?php // PHP program to check for parallel // to X and Y Axis // To check for parallel line function parallel($n, $a) { $x = true; $y = true; // checking for parallel // to X and Y axis condition for ($i = 0; $i < $n - 1; $i++) { if ($a[$i][0] != $a[$i + 1][0]) $x = false; if ($a[$i][1] != $a[$i + 1][1]) $y = false; } // To display the output if ($x) echo "parallel to Y Axis" ; else if (y) echo "parallel to X Axis" ; else echo "Not parallel to X", " and Y Axis"; } // Driver's Code $a = array(array(1, 2), array(1, 4), array(1, 6), array(1, 0)); $n = count($a); parallel($n, $a); //This code is contributed by anuj_67 ?> |
Javascript
<script> // Javascript program to check for parallel // to X and Y Axis // To check for parallel line function parallel(n, a) { let x = true, y = true; // Checking for parallel to X and Y // axis condition for(let i = 0; i < n - 1; i++) { if (a[i][0] != a[i + 1][0]) x = false; if (a[i][1] != a[i + 1][1]) y = false; } // To display the output if (x) document.write("parallel to Y Axis" + "</br>"); else if (y) document.write("parallel to X Axis" + "</br>"); else document.write("Not parallel to X" + " and Y Axis" + "</br>"); } // Driver code let a = [ [ 1, 2 ], [ 1, 4 ], [ 1, 6 ], [ 1, 0 ] ]; let n = a.length; parallel(n, a); // This code is contributed by jana_sayantan </script> |
Output:
Parallel to Y Axis
Time Complexity: O(n)
Auxiliary Space: O(1)
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