Programs to print the numbers in snake pattern have been given here.
1. Program & output to print numbers in snake pattern
1.1. C Program & output to print numbers in snake pattern
Code has been copied
/************************ alphabetacoder.com C program to print the numbers in snake pattern *************************/ #include <stdio.h> int main() { // declare variables int row, col, num, i, j, k; // take input printf("Enter the number of rows: "); scanf("%d", & row); printf("Enter the number of columns: "); scanf("%d", & col); // new line printf("\n"); // initilize num = 1; k = 1; // display the pattern for (i = 1; i <= row; i++) { for (j = 1; j <= col; j++) { // display value printf("%d\t", num); // increment num = num + k; } // when the index of the // next row is even if (i % 2 == 1) { // calculate the value with // which the next row starts num = num + col - 1; // increment value k = -1; } // when the index of the // next row is odd else { // calculate the value with // which the next row starts num = num + col + 1; // increment value k = 1; } // new line printf("\n"); } return 0; }
Output
Enter the number of rows: 4
Enter the number of columns: 2
1 2
4 3
5 6
8 7
1.2. C++ Program & output to print numbers in snake pattern
Code has been copied
/************************ alphabetacoder.com C++ program to print the numbers in snake pattern *************************/ #include <iostream> using namespace std; int main() { // declare variables int row, col, num, i, j, k; // take input cout << "Enter the number of rows: "; cin >> row; cout << "Enter the number of columns: "; cin >> col; // new line cout << endl; // initilize num = 1; k = 1; // display the pattern for (i = 1; i <= row; i++) { for (j = 1; j <= col; j++) { // display value cout << num << "\t"; // increment num = num + k; } // when the index of the // next row is even if (i % 2 == 1) { // calculate the value with // which the next row starts num = num + col - 1; // increment value k = -1; } // when the index of the // next row is odd else { // calculate the value with // which the next row starts num = num + col + 1; // increment value k = 1; } // new line cout << endl; } return 0; }
Output
Enter the number of rows: 7
Enter the number of columns: 3
1 2 3
6 5 4
7 8 9
12 11 10
13 14 15
18 17 16
19 20 21
1.3. Java Program & output to print numbers in snake pattern
Code has been copied
/************************ alphabetacoder.com Java program to print the numbers in snake pattern *************************/ import java.util.Scanner; class Main { public static void main(String[] args) { // declare instance of Scanner class Scanner sc = new Scanner(System.in); // declare variables int row, col, num, i, j, k; // take input System.out.print("Enter the number of rows: "); row = sc.nextInt(); System.out.print("Enter the number of columns: "); col = sc.nextInt(); // new line System.out.println(""); // initilize num = 1; k = 1; // display the pattern for (i = 1; i <= row; i++) { for (j = 1; j <= col; j++) { // display value System.out.print(num + "\t"); // increment num = num + k; } // when the index of the // next row is even if (i % 2 == 1) { // calculate the value with // which the next row starts num = num + col - 1; // increment value k = -1; } // when the index of the // next row is odd else { // calculate the value with // which the next row starts num = num + col + 1; // increment value k = 1; } // new line System.out.println(""); } } }
Output
Enter the number of rows: 6
Enter the number of columns: 2
1 2
4 3
5 6
8 7
9 10
12 11
1.4. Python Program & output to print numbers in snake pattern
Code has been copied
#*************************** # alphabetacoder.com #Python program to print the #numbers in snake pattern #**************************** # take input row = int(input("Enter the number of rows: ")) col = int(input("Enter the number of columns: ")) # new line print("") # initilize num = 1 k = 1 # display the pattern for i in range(1, row + 1): for j in range(1, col + 1): # display value print(num,"\t", end = "") # increment num = num + k # when the index of the # next row is even if i % 2 == 1: # calculate the value with # which the next row starts num = num + col - 1 # increment value k = -1 # when the index of the # next row is odd else: # calculate the value with # which the next row starts num = num + col + 1 # increment value k = 1 # new line print("")
Output
Enter the number of rows: 9
Enter the number of columns: 2
1 2
4 3
5 6
8 7
9 10
12 11
13 14
16 15
17 18
1.5. C# Program & output to print numbers in snake pattern
Code has been copied
/************************ alphabetacoder.com C# program to print the numbers in snake pattern *************************/ using System; namespace Snake { class Program { static void Main(string[] args) { // declare variables int row, col, num, i, j, k; // take input Console.Write("Enter the number of rows: "); row = Convert.ToInt32(Console.ReadLine()); Console.Write("Enter the number of columns: "); col = Convert.ToInt32(Console.ReadLine()); // new line Console.WriteLine(""); // initilize num = 1; k = 1; // display the pattern for (i = 1; i <= row; i++) { for (j = 1; j <= col; j++) { // display value Console.Write(num + "\t"); // increment num = num + k; } // when the index of the // next row is even if (i % 2 == 1) { // calculate the value with // which the next row starts num = num + col - 1; // increment value k = -1; } // when the index of the // next row is odd else { // calculate the value with // which the next row starts num = num + col + 1; // increment value k = 1; } // new line Console.WriteLine(""); } // wait for user to press any key Console.ReadKey(); } } }
Output
Enter the number of rows: 8
Enter the number of columns: 4
1 2 3 4
8 7 6 5
9 10 11 12
16 15 14 13
17 18 19 20
24 23 22 21
25 26 27 28
32 31 30 29