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Print Odd or Even (Using if-else)

Determine if a given integer is odd or even and print the corresponding result.

Understand the Problem

Problem Statement

The program must accept an integer N as the input. The program must print Odd if N is odd. Else the program must print Even as the output.

Constraints

  • N is an integer
  • -10^9 ≤ N ≤ 10^9
  • The input will contain exactly one integer

Examples

Example 1
Input
10
Output
Even
Explanation

Since 10 is divisible by 2 (10 % 2 = 0), the number is even, so we print "Even".

Example 2
Input
7
Output
Odd
Explanation

Since 7 is not divisible by 2 (7 % 2 = 1), the number is odd, so we print "Odd".

Example 3
Input
-3
Output
Odd
Explanation

Since -3 is not divisible by 2 (-3 % 2 = -1), the number is odd, so we print "Odd".

Solution

#include <stdio.h>

int main() {
    int N;
    scanf("%d", &N);
    
    if (N % 2 == 0) {
        printf("Even\n");
    } else {
        printf("Odd\n");
    }
    
    return 0;
}
Time:O(1)
Space:O(1)
Approach:

The C solution uses scanf to read the integer N from standard input. It then uses the modulo operator (%) to check if N is divisible by 2. If N % 2 == 0, it prints "Even" using printf. Otherwise, it prints "Odd". The program returns 0 to indicate successful execution.

Visual Explanation

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