99% Set Solutions Episode: 2

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1. C Program to Print Hello World

#include <stdio.h>

int main() {
    printf("Hello World");
    return 0;
}

2. C Program to Add Two Numbers

#include <stdio.h>

int main() {
    int a, b, sum;
    scanf("%d %d", &a, &b);
    sum = a + b;
    printf("Sum = %d", sum);
    return 0;
}

3. C Program to Subtract, Multiply, and Divide Two Numbers

#include <stdio.h>

int main() {
    int a, b;
    scanf("%d %d", &a, &b);
    printf("Subtraction = %d\n", a - b);
    printf("Multiplication = %d\n", a * b);
    printf("Division = %d", a / b);
    return 0;
}

4. C Program to Check Even or Odd

#include <stdio.h>

int main() {
    int n;
    scanf("%d", &n);

    if (n % 2 == 0)
        printf("Even Number");
    else
        printf("Odd Number");

    return 0;
}

5. C Program to Check Positive, Negative, or Zero

#include <stdio.h>

int main() {
    int n;
    scanf("%d", &n);

    if (n > 0)
        printf("Positive Number");
    else if (n < 0)
        printf("Negative Number");
    else
        printf("Zero");

    return 0;
}

6. C Program to Calculate Total Marks and Percentage

#include <stdio.h>

int main() {
    int m1, m2, m3, total;
    float percentage;

    scanf("%d %d %d", &m1, &m2, &m3);
    total = m1 + m2 + m3;
    percentage = total / 3.0;

    printf("Total = %d\n", total);
    printf("Percentage = %.2f", percentage);

    return 0;
}

7. C Program to Calculate Area of Rectangle or Circle

#include <stdio.h>

int main() {
    float l, b, r;
    scanf("%f %f", &l, &b);
    printf("Area of Rectangle = %.2f\n", l * b);

    scanf("%f", &r);
    printf("Area of Circle = %.2f", 3.14 * r * r);

    return 0;
}

8. C Program to Calculate Simple Interest

#include <stdio.h>

int main() {
    float p, t, r, si;
    scanf("%f %f %f", &p, &t, &r);
    si = (p * t * r) / 100;
    printf("Simple Interest = %.2f", si);
    return 0;
}

9. C Program to Find the Largest Number Between Two Numbers

#include <stdio.h>

int main() {
    int a, b;
    scanf("%d %d", &a, &b);

    if (a > b)
        printf("Largest = %d", a);
    else
        printf("Largest = %d", b);

    return 0;
}

10. C Program to Find the Largest Number Among Three Numbers

#include <stdio.h>

int main() {
    int a, b, c;
    scanf("%d %d %d", &a, &b, &c);

    if (a > b && a > c)
        printf("Largest = %d", a);
    else if (b > c)
        printf("Largest = %d", b);
    else
        printf("Largest = %d", c);

    return 0;
}

11. C Program to Display ASCII Value of a Character

#include <stdio.h>

int main() {
    char ch;
    scanf("%c", &ch);
    printf("ASCII value = %d", ch);
    return 0;
}

12. C Program to Convert Celsius to Fahrenheit

#include <stdio.h>

int main() {
    float c, f;
    scanf("%f", &c);
    f = (c * 9 / 5) + 32;
    printf("Fahrenheit = %.2f", f);
    return 0;
}

13. C Program to Swap Two Numbers Using Third Variable

#include <stdio.h>

int main() {
    int a, b, temp;
    scanf("%d %d", &a, &b);

    temp = a;
    a = b;
    b = temp;

    printf("a = %d, b = %d", a, b);
    return 0;
}

14. C Program to Swap Two Numbers Without Using Third Variable

#include <stdio.h>

int main() {
    int a, b;
    scanf("%d %d", &a, &b);

    a = a + b;
    b = a - b;
    a = a - b;

    printf("a = %d, b = %d", a, b);
    return 0;
}

✅ Exam Tip

  • Always write #include <stdio.h>

  • Don’t forget return 0;

  • Keep syntax clean → full marks guaranteed

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