C Exercises: Check two given integers whether either of them is in the range 100..200 inclusive

Last update on July 28 2025 12:51:19 (UTC/GMT +8 hours)

7. Range Check 100 to 200

Write a C program to check two given integers whether either of them is in the range 100..200 inclusive.

C Code:

#include <stdio.h>  // Include standard input/output library
#include <stdlib.h> // Include standard library for absolute value function

int test(int x, int y); // Declare the function 'test' with two integer parameters

int main(void)
{
    // Call the function 'test' with arguments 100 and 199, and print the result
    printf("%d", test(100, 199));

    // Print a newline for formatting
    printf("\n");

    // Call the function 'test' with arguments 250 and 300, and print the result
    printf("%d", test(250, 300));

    // Print a newline for formatting
    printf("\n");

    // Call the function 'test' with arguments 105 and 190, and print the result
    printf("%d", test(105, 190));
}

// Function definition for 'test'
int test(int x, int y)
{
    // Check if either of the following conditions are true:
    // 1. x is between 100 and 200 (inclusive)
    // 2. y is between 100 and 200 (inclusive)
    // Return 1 (true) if either condition is true, otherwise return 0 (false).
    return (x >= 100 && x <= 200) || (y >= 100 && y <= 200);
}

Sample Output:

1
0
1

Explanation:

int test(int x, int y) {
  return (x >= 100 && x <= 200) || (y >= 100 && y <= 200);
}

This function takes two integer inputs ‘x’ and ‘y’ and returns 1 if either of the inputs is between 100 and 200 (inclusive), and returns 0 otherwise.

Time complexity and space complexity:

Time complexity: O(1) - The function has a constant time complexity, as the same number of operations are performed regardless of the input values.

Space complexity: O(1) - The function uses a constant amount of memory, as the inputs and the return value are the only variables used.

Pictorial Presentation:

Flowchart:

For more Practice: Solve these Related Problems:

• Write a C program to check if at least one of two integers lies within the range 150 to 250.
• Write a C program that verifies if one integer is between 50 and 150 or if both are outside this range.
• Write a C program to determine if either of two numbers falls within the range 100 to 300 inclusive.
• Write a C program to check if both integers fall within the range 90 to 210 and return true if at least one does.

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