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C program to check numbers are EVEN or ODD from 1 to N.

mahmoud2506
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2022-05-03
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C program to check numbers are EVEN or ODD from 1 to N.

This program will read value of N and print all numbers from 1 to N with EVEN and ODD after checking the numbers whether they are EVEN or ODD.

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mahmoud2506
2022-05-03
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Print number from 1 to N with EVEN and ODD message using C program

/*C program to check numbers are EVEN or ODD from 1 to N.*/

#include <stdio.h>

int checkEven(int num)
{
    /*if number (num) is divisible by 2, number is even*/
    if (num % 2 == 0)
        return 1;
    else
        return 0;
}

int main()
{
    int i, n;

    printf("Enter the value of N: ");
    scanf("%d", &n);

    for (i = 1; i <= n; i++) {
        if (checkEven(i))
            printf("%4d [EVEN]\t", i);
        else
            printf("%4d [ODD]\t", i);
    }

    return 0;
}

Output:

Enter the value of N: 100

    1 [ODD]         2 [EVEN]        3 [ODD]         4 [EVEN]        5 [ODD]
    6 [EVEN]        7 [ODD]         8 [EVEN]        9 [ODD]        10 [EVEN]
11 [ODD]        12 [EVEN]       13 [ODD]        14 [EVEN]       15 [ODD]
16 [EVEN]       17 [ODD]        18 [EVEN]       19 [ODD]        20 [EVEN]
21 [ODD]        22 [EVEN]       23 [ODD]        24 [EVEN]       25 [ODD]
26 [EVEN]       27 [ODD]        28 [EVEN]       29 [ODD]        30 [EVEN]
31 [ODD]        32 [EVEN]       33 [ODD]        34 [EVEN]       35 [ODD]
36 [EVEN]       37 [ODD]        38 [EVEN]       39 [ODD]        40 [EVEN]
41 [ODD]        42 [EVEN]       43 [ODD]        44 [EVEN]       45 [ODD]
46 [EVEN]       47 [ODD]        48 [EVEN]       49 [ODD]        50 [EVEN]
51 [ODD]        52 [EVEN]       53 [ODD]        54 [EVEN]       55 [ODD]
56 [EVEN]       57 [ODD]        58 [EVEN]       59 [ODD]        60 [EVEN]
61 [ODD]        62 [EVEN]       63 [ODD]        64 [EVEN]       65 [ODD]
66 [EVEN]       67 [ODD]        68 [EVEN]       69 [ODD]        70 [EVEN]
71 [ODD]        72 [EVEN]       73 [ODD]        74 [EVEN]       75 [ODD]
76 [EVEN]       77 [ODD]        78 [EVEN]       79 [ODD]        80 [EVEN]
81 [ODD]        82 [EVEN]       83 [ODD]        84 [EVEN]       85 [ODD]
86 [EVEN]       87 [ODD]        88 [EVEN]       89 [ODD]        90 [EVEN]
91 [ODD]        92 [EVEN]       93 [ODD]        94 [EVEN]       95 [ODD]
96 [EVEN]       97 [ODD]        98 [EVEN]       99 [ODD]       100 [EVEN]

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