Miscellaneous Programs - CSU1128 - CSE 2026 - Shoolini University

Collection of Miscellaneous Programs to test your knowledge.

Test your knowledge for the course Logic Building with Computer Programming (CSU1128) under the guidance by Dr. Pankaj Vaidya.

Program 1


/*  Miscellaneous Program by dmj.one
 *  DO NOT COPY     DO NOT REPRODUCE    DO NOT MODIFY
 *  
 * (c) 2023, Divya Mohan for dmj.one. All rights reserved.
 */

#include <stdio.h>
int main() {
    int i = 3;
    printf("%d %d %d\n", i--, i--, i);
    return 0;
}

Output:

  2 3 1 / 2 1 0 / 3 2 1 / something else? You decide!!

Program 2


/*  Miscellaneous Program by dmj.one
 *  DO NOT COPY     DO NOT REPRODUCE    DO NOT MODIFY
 *  
 * (c) 2023, Divya Mohan for dmj.one. All rights reserved.
 */

#include <stdio.h>
int main() {
    int i = 3;
    printf("%d\n", i = i++);
    return 0;
}

Output:

  3

Program 3


/*  Miscellaneous Program by dmj.one
 *  DO NOT COPY     DO NOT REPRODUCE    DO NOT MODIFY
 *  
 * (c) 2023, Divya Mohan for dmj.one. All rights reserved.
 */

#include <stdio.h>
void func(int *p) {
    *p += 2;
    p += 2;
}

int main() {
    int i = 4;
    int *p = &i;
    func(p);
    printf("%d\n", i);
    return 0;
}

Output:

  6

Program 4


/*  Miscellaneous Program by dmj.one
 *  DO NOT COPY     DO NOT REPRODUCE    DO NOT MODIFY
 *  
 * (c) 2023, Divya Mohan for dmj.one. All rights reserved.
 */

#include <stdio.h>
int main() {
    int i = 5;
    i = i + i++ * i++;
    printf("%d\n", i);
    return 0;
}

Output:

  27 / 37 / something else / something else? You decide!!

Program 5


/*  Miscellaneous Program by dmj.one
 *  DO NOT COPY     DO NOT REPRODUCE    DO NOT MODIFY
 *  
 * (c) 2023, Divya Mohan for dmj.one. All rights reserved.
 */

#include <stdio.h>
int main() {
    int i = 1;
    i = i + ++i;
    printf("%d\n", i);
    return 0;
}

Output:

  4

Program 6


/*  Miscellaneous Program by dmj.one
 *  DO NOT COPY     DO NOT REPRODUCE    DO NOT MODIFY
 *  
 * (c) 2023, Divya Mohan for dmj.one. All rights reserved.
 */

#include <stdio.h>
void func(int a[], int n) {
    int i;
    for (i = 0; i < n; i++) {
        a[i] = a[i] + 2;
        a++;
    }
}

int main() {
    int a[] = {1, 2, 3, 4};
    int n = sizeof(a) / sizeof(int);
    func(a, n);
    int i;
    for (i = 0; i < n; i++) {
        printf("%d ", a[i]);
    }
    return 0;
}

Output:

  3 5 7 9 / 3 2 5 4 / something else? You decide!!

Program 7


/*  Miscellaneous Program by dmj.one
 *  DO NOT COPY     DO NOT REPRODUCE    DO NOT MODIFY
 *  
 * (c) 2023, Divya Mohan for dmj.one. All rights reserved.
 */

#include <stdio.h>
int main() {
    int i = 5, j = 8;
    i = i++ + ++j;
    printf("%d %d\n", i, j);
    return 0;
}

Output:

  14 9

Program 8


/*  Miscellaneous Program by dmj.one
 *  DO NOT COPY     DO NOT REPRODUCE    DO NOT MODIFY
 *  
 * (c) 2023, Divya Mohan for dmj.one. All rights reserved.
 */

#include <stdio.h>
int main() {
    int i = 5, j = 3;
    i = i & j | i ^ j;
    printf("%d\n", i);
    return 0;
}

Output:

  1 / 7 / something else? You decide!!

Program 9


/*  Miscellaneous Program by dmj.one
 *  DO NOT COPY     DO NOT REPRODUCE    DO NOT MODIFY
 *  
 * (c) 2023, Divya Mohan for dmj.one. All rights reserved.
 */

#include <stdio.h>
int main() {
    int i = 5, j = 3;
    i += (j = 3);
    printf("%d\n", i);
    return 0;
}

Output:

  8

Program 10


/*  Miscellaneous Program by dmj.one
 *  DO NOT COPY     DO NOT REPRODUCE    DO NOT MODIFY
 *  
 * (c) 2023, Divya Mohan for dmj.one. All rights reserved.
 */

#include <stdio.h>
int main() {
    int a = 3, b = 4;
    if (a = b) {
        printf("Equal\n");
    } else {
        printf("Not Equal\n");
    }
    return 0;
}

Output:

  Equal

Program 11


/*  Miscellaneous Program by dmj.one
 *  DO NOT COPY     DO NOT REPRODUCE    DO NOT MODIFY
 *  
 * (c) 2023, Divya Mohan for dmj.one. All rights reserved.
 */

#include <stdio.h>
int main() {
    int i = 0;
    for (i = 0; i < 10; i++) {
        if (i == 5) {
            continue;
        } else if (i == 8) {
            break;
        }
        printf("%d ", i);
    }
    return 0;
}

Output:

  0 1 2 3 4 6 7

Program 12


/*  Miscellaneous Program by dmj.one
 *  DO NOT COPY     DO NOT REPRODUCE    DO NOT MODIFY
 *  
 * (c) 2023, Divya Mohan for dmj.one. All rights reserved.
 */

#include <stdio.h>
int main() {
    int i = 0, j = 0;
    i = i + j++;
    i = i + ++j;
    printf("i = %d j = %d\n", i, j);
    return 0;
}

Output:

  i = 2 j = 2 / i = 3 j = 2 / something else? You decide!!

Program 13


/*  Miscellaneous Program by dmj.one
 *  DO NOT COPY     DO NOT REPRODUCE    DO NOT MODIFY
 *  
 * (c) 2023, Divya Mohan for dmj.one. All rights reserved.
 */

#include <stdio.h>
int main() {
    int a = 0, b = 0, c = 0;
    a = b = c = 5;
    printf("a = %d b = %d c = %d\n", a, b, c);
    return 0;
}

Output:

  a = 5 b = 5 c = 5

Program 14


/*  Miscellaneous Program by dmj.one
 *  DO NOT COPY     DO NOT REPRODUCE    DO NOT MODIFY
 *  
 * (c) 2023, Divya Mohan for dmj.one. All rights reserved.
 */

#include <stdio.h>
int main() {
    int i = 5, j = 3;
    i += j += i += j;
    printf("i = %d j = %d\n", i, j);
    return 0;
}

Output:

  i = 16 j = 8 / i = 19 j = 11 / something else? You decide!!

Program 15


/*  Miscellaneous Program by dmj.one
 *  DO NOT COPY     DO NOT REPRODUCE    DO NOT MODIFY
 *  
 * (c) 2023, Divya Mohan for dmj.one. All rights reserved.
 */

#include <stdio.h>
int main() {
    int a = 0, b = 0;
    a = (b = 5) + (b = 3);
    printf("a = %d b = %d\n", a, b);
    return 0;
}

Output:

  a = 8 b = 3 / a = 6 b = 3 / something else? You decide!!

Program 16


/*  Miscellaneous Program by dmj.one
 *  DO NOT COPY     DO NOT REPRODUCE    DO NOT MODIFY
 *  
 * (c) 2023, Divya Mohan for dmj.one. All rights reserved.
 */

#include <stdio.h>
int main() {
    int i = 0, j = 0;
    i += ++j;
    i += j++;
    printf("i = %d j = %d\n", i, j);
    return 0;
}

Output:

  i = 2 j = 2

Program 17


/*  Miscellaneous Program by dmj.one
 *  DO NOT COPY     DO NOT REPRODUCE    DO NOT MODIFY
 *  
 * (c) 2023, Divya Mohan for dmj.one. All rights reserved.
 */

#include <stdio.h>
int main() {
    int i = 0, j = 0;
    i = i++ + j++;
    i = i + j;
    printf("i = %d j = %d\n", i, j);
    return 0;
}

Output:

  i = 2 j = 2 / i = 1 j = 1 / i = 3 j = 1 / something else? You decide!!

Program 18


/*  Miscellaneous Program by dmj.one
 *  DO NOT COPY     DO NOT REPRODUCE    DO NOT MODIFY
 *  
 * (c) 2023, Divya Mohan for dmj.one. All rights reserved.
 */

#include <stdio.h>
void fun(int x)
{
    x = x + 1;
    printf("x = %d\n", x);
}

int main()
{
    int y = 5;
    fun(y++);
    printf("y = %d\n", y);
    return 0;
}

Output:

  x = 6 y = 6

Program 19


/*  Miscellaneous Program by dmj.one
 *  DO NOT COPY     DO NOT REPRODUCE    DO NOT MODIFY
 *  
 * (c) 2023, Divya Mohan for dmj.one. All rights reserved.
 */

#include <stdio.h>
int main()
{
    int a = 5;
    a = (a++) + (++a);
    printf("a = %d\n", a);
    return 0;
}

Output:

  a = 7 / a = 12 / something else? You decide!!

Program 20


/*  Miscellaneous Program by dmj.one
 *  DO NOT COPY     DO NOT REPRODUCE    DO NOT MODIFY
 *  
 * (c) 2023, Divya Mohan for dmj.one. All rights reserved.
 */

#include <stdio.h>
#include <stdlib.h>
int main() {
    int a[] = {1, 2, 3, 4, 5};
    int *p = (int*) malloc(5 * sizeof(int));
    memcpy(p, a, 5 * sizeof(int));
    int i;
    for (i = 0; i < 5; i++) {
        printf("%d ", p[i]);
    }
    free(p);
    return 0;
}

Output:

  1 2 3 4 5

Program 21


/*  Miscellaneous Program by dmj.one
 *  DO NOT COPY     DO NOT REPRODUCE    DO NOT MODIFY
 *  
 * (c) 2023, Divya Mohan for dmj.one. All rights reserved.
 */

#include <stdio.h>
int main()
{
    int a = 5;
    a = (a--) + (--a);
    printf("a = %d\n", a);
    return 0;
}

Output:

  a = 3 / a = 7 / a = 8 / something else? You decide!!

Program 22


/*  Miscellaneous Program by dmj.one
 *  DO NOT COPY     DO NOT REPRODUCE    DO NOT MODIFY
 *  
 * (c) 2023, Divya Mohan for dmj.one. All rights reserved.
 */

#include <stdio.h>
#include <string.h>
int main() {
    char s1[] = "Hello";
    char s2[] = "World";
    int i = strcmp(s1, s2);
    if (i == 0) {
        printf("Equal\n");
    } else {
        printf("Not Equal\n");
    }
    return 0;
}

Output:

  Not Equal

Program 23


/*  Miscellaneous Program by dmj.one
 *  DO NOT COPY     DO NOT REPRODUCE    DO NOT MODIFY
 *  
 * (c) 2023, Divya Mohan for dmj.one. All rights reserved.
 */

#include <stdio.h>
#include <time.h>
int main() {
    time_t t;
    srand((unsigned) time(&t));
    int r = rand() % 100;
    printf("%d\n", r);
    return 0;
}

Output:

  (random number between 0-99) 79

Program 24


/*  Miscellaneous Program by dmj.one
 *  DO NOT COPY     DO NOT REPRODUCE    DO NOT MODIFY
 *  
 * (c) 2023, Divya Mohan for dmj.one. All rights reserved.
 */

#include <stdio.h>
int main()
{
    int a = 5;
    a = (++a) + (a++);
    printf("a = %d\n", a);
    return 0;
}

Output:

  a = 11 / a = 13 / something else? You decide!!

Program 25


/*  Miscellaneous Program by dmj.one
 *  DO NOT COPY     DO NOT REPRODUCE    DO NOT MODIFY
 *  
 * (c) 2023, Divya Mohan for dmj.one. All rights reserved.
 */

#include <stdio.h>
int main()
{
    int a = 5;
    a = (--a) + (a--);
    printf("a = %d\n", a);
    return 0;
}

Output:

  a = 7 / a = 3 / something else? You decide!!

Program 26


/*  Miscellaneous Program by dmj.one
 *  DO NOT COPY     DO NOT REPRODUCE    DO NOT MODIFY
 *  
 * (c) 2023, Divya Mohan for dmj.one. All rights reserved.
 */

#include <stdio.h>
#include <ctype.h>
int main() {
    char c = 'a';
    printf("%c\n", toupper(c));
    return 0;
}

Output:

  A

Program 27


/*  Miscellaneous Program by dmj.one
 *  DO NOT COPY     DO NOT REPRODUCE    DO NOT MODIFY
 *  
 * (c) 2023, Divya Mohan for dmj.one. All rights reserved.
 */

#include <stdio.h>
void func(int a[]) {
    a[0] = a[1] + a[2];
    a[1] = a[2] - a[0];
    a[2] = a[0] * a[1];
}

int main() {
    int a[] = {2, 3, 4};
    func(a);
    printf("%d %d %d\n", a[0], a[1], a[2]);
    return 0;
}

Output:

  a = 7 -3 -21 / a = 4 -1 -4 / a = 3 -1 -14 / something else? You decide!!

Program 28


/*  Miscellaneous Program by dmj.one
 *  DO NOT COPY     DO NOT REPRODUCE    DO NOT MODIFY
 *  
 * (c) 2023, Divya Mohan for dmj.one. All rights reserved.
 */

#include <stdio.h>
#include <stdlib.h>
int main() {
    int i = atoi("123");
    printf("%d\n", i);
    return 0;
}

Output:

  123

Program 29


/*  Miscellaneous Program by dmj.one
 *  DO NOT COPY     DO NOT REPRODUCE    DO NOT MODIFY
 *  
 * (c) 2023, Divya Mohan for dmj.one. All rights reserved.
 */

#include <stdio.h>
int main() {
    int x = 0;
    for (int i = 0; i < 4; i++) {
        for (int j = 0; j < 4; j++) {
            if (i == j) {
                x++;
                continue;
            }
            if (i < j) {
                x += 2;
            }
            if (i > j) {
                x -= 2;
            }
        }
    }
    printf("%d\n", x);
    return 0;
}

Output:

  0 / 4 / something else? You decide!!

Program 30


/*  Miscellaneous Program by dmj.one
 *  DO NOT COPY     DO NOT REPRODUCE    DO NOT MODIFY
 *  
 * (c) 2023, Divya Mohan for dmj.one. All rights reserved.
 */

#include <stdio.h>
int main() {
    int x = 5;
    x = x << 2 + 1;
    printf("%d\n", x);
    return 0;
}

Output:

  2

Program 31


/*  Miscellaneous Program by dmj.one
 *  DO NOT COPY     DO NOT REPRODUCE    DO NOT MODIFY
 *  
 * (c) 2023, Divya Mohan for dmj.one. All rights reserved.
 */

#include <stdio.h>
int main() {
    int x = 5;
    int y = x++ + ++x + x--;
    printf("%d\n", y);
    return 0;
}

Output:

  13 / 19 / something else? You decide!!

Program 32


/*  Miscellaneous Program by dmj.one
 *  DO NOT COPY     DO NOT REPRODUCE    DO NOT MODIFY
 *  
 * (c) 2023, Divya Mohan for dmj.one. All rights reserved.
 */

#include <stdio.h>
int main() {
    int x = 5;
    int y = 2;
    int z = x / y * y + x % y;
    printf("%d\n", z);
    return 0;
}

Output:

  5

Program 33


/*  Miscellaneous Program by dmj.one
 *  DO NOT COPY     DO NOT REPRODUCE    DO NOT MODIFY
 *  
 * (c) 2023, Divya Mohan for dmj.one. All rights reserved.
 */

#include <stdio.h>
int main() {
    int x = 5;
    x = x << 2 + 1;
    printf("%d\n", x);
    return 0;
}

Output:

  21 / 40 / something else? You decide!!

Program 34


/*  Miscellaneous Program by dmj.one
 *  DO NOT COPY     DO NOT REPRODUCE    DO NOT MODIFY
 *  
 * (c) 2023, Divya Mohan for dmj.one. All rights reserved.
 */

#include <stdio.h>
#include <stdlib.h>
int main() {
    int x = 10;
    int y = 20;
    int z = (x > y) ? x : y;
    printf("%d\n", z);
    return 0;
}

Output:

  20

Program 35


/*  Miscellaneous Program by dmj.one
 *  DO NOT COPY     DO NOT REPRODUCE    DO NOT MODIFY
 *  
 * (c) 2023, Divya Mohan for dmj.one. All rights reserved.
 */

#include <stdio.h>
#include <stdlib.h>
#include <time.h>
int main() {
    int a[100];
    srand(time(NULL));
    for (int i = 0; i < 100; i++) {
        a[i] = rand() % 1000;
    }

    int max = a[0];
    for (int i = 0; i < 100; i++) {
        if (a[i] > max) {
            max = a[i];
        }
    }
    printf("%d\n", max);
    return 0;
}

Output:

  (random number between 0-999) 334

Program 36


/*  Miscellaneous Program by dmj.one
 *  DO NOT COPY     DO NOT REPRODUCE    DO NOT MODIFY
 *  
 * (c) 2023, Divya Mohan for dmj.one. All rights reserved.
 */

#include <stdio.h>
int main() {
    int x = 5;
    int y = 2;
    int z = x + y - (x = y);
    printf("%d\n", z);
    return 0;
}

Output:

  3 / 5 / something else? You decide!!

Program 37


/*  Miscellaneous Program by dmj.one
 *  DO NOT COPY     DO NOT REPRODUCE    DO NOT MODIFY
 *  
 * (c) 2023, Divya Mohan for dmj.one. All rights reserved.
 */

#include <stdio.h>
int main() {
    int x = 5;
    int y = 2;
    int *p1 = &x;
    int *p2 = &y;
    int z = *p1 + *p2 - (*p1 = *p2);
    printf("%d\n", z);
    return 0;
}

Output:

  5

Program 38


/*  Miscellaneous Program by dmj.one
 *  DO NOT COPY     DO NOT REPRODUCE    DO NOT MODIFY
 *  
 * (c) 2023, Divya Mohan for dmj.one. All rights reserved.
 */

#include <stdio.h>
int main() {
    int x = 5;
    int y = 2;
    int z = x++ + y - (x = y);
    printf("%d\n", z);
    return 0;
}

Output:

  3 / 4 / 5 / something else? You decide!!