C Programming Conditional Practice

12. ArithmeticOperator

// Write a program that takes two integers and displays a sum.

#include<stdio.h>
int main() {
int num1,num2,sum;
float avg;

printf(“Enter Two Numbers = “);
scanf(“%d %d”, &num1,&num2);

sum = num1+num2;
printf(“The Sum Is : %d \n”, sum);

avg = (float)sum/2; //type-casting
printf(“The average is : %.2f \n”,avg);

return 0; }

11. AreaCalculate

// Write a program that calculates the area of triangle.

#include<stdio.h>
int main()
{
float base,height,area;

printf(“Enter The Base : “);
scanf(“%f”, &base);

printf(“Enter The Height : “);
scanf(“%f”, &height);

area = 0.5 * base * height;

printf(“Area : %2f \n”, area);

return 0; }

10. Hexadecimal to Decimal

#include<stdio.h>
int main() {
int number;

printf(“Hexa-Decimal Number = “);
scanf(“%x”, &number);

printf(“Decimal Number : %d”, number);
getch(); }

09. Hexadecimal to Octal

#include<stdio.h>
int main() {
int number;

printf(“Hexa-Decimal Number = “);
scanf(“%x”, &number);

printf(“Octal Number : %o”, number);
getch(); }

08. Octal to Hexadecimal

#include<stdio.h>
int main() {
int number;

printf(“Octal Number = “);
scanf(“%o”, &number);

printf(“Hexa-Decimal Number : %x”, number);
getch(); }

07. Octal to Decimal

#include<stdio.h>
int main() {
int number;

printf(“Octal Number = “);
scanf(“%o”, &number);

printf(“Decimal Number : %d”, number);
getch(); }

06. Decimal to Hexadecimal

#include<stdio.h>
int main() {
int number;

printf(“Decimal Number = “);
scanf(“%d”, &number);

printf(“Hexa-Decimal Number : %x”, number);
getch(); }

05. Decimal to Octal

#include<stdio.h>
int main() {
int number;

printf(“Decimal Number = “);
scanf(“%d”, &number);

printf(“Octal Number : %o”, number);
getch(); }

04. Fahrenheit to Centigrade

// C = ( F – 32 )/1.8

#include<stdio.h>
int main() {
float C,F;

printf(“Enter Fahrenheit : “);
scanf(“%f”, &F);

C = ( F – 32 )/1.8;

printf(“Centigrade : %.2f \n”, C); }

03. Even and Odd

#include<stdio.h>

int main(){

int num;

printf(“Enter an integer number : “);
scanf(“%d”, &num);

if(num%2==0)
printf(“This is an Even Number.\n”);
if(num%2!=0)
printf(“This is an Odd Number. \n”); }

01. Age Height Weight

#include <stdio.h>

int main () {
char name [20];
int age;
double height;
double weight;

printf(“\nHello Sir, Assalamualaikum. \nI hope that you are pretty good today.”);
printf(“\nPlease type just four information and getting know something about you.”);
printf(“\n”);
printf (“\nEnter your name ( like-Jakaria) : “);
scanf(“%s”, &name);
printf (“\nEnter your age ( like-21 ) : “);
scanf(“%d”, &age);
printf (“\nEnter your hight ( like-5.6 ) : “);
scanf(“%lf”, &height);
printf (“\nEnter your weight ( like-58.4 ) : “);
scanf(“%lf”, &weight);

char person [] = “are so young person.”;
char very [] = “are very long than Jakaria.”;
char body [] = ” weight and body structure is really good.”;

printf(“\n\nYour beautiful name is : %s! I like your name. “, name, like);
printf(“\n\nYour young age is : %d years. you %s “, age, person);
printf(“\n\nYour correct height is : %.1lf fit. You %s “, height, very);
printf(“\n\nYour healthy body’s weight is : %.1lf kg. Your %s “, weight, body);

return 0; }

12. Coding With Variables

#include <stdio.h>
int main() {
//Student Information And Grade
int ID = 11858559;
int x = 17;
int y = 21;
int z = 11;
float CGPA = 1.67;
char Grade = ‘D’;
int Score = x+y+z;

//Printing Grade
printf(“Student Name : Sayed Ricky \n”);
printf(“Student ID : %d\n”, ID);
printf(“Obtained Marks : %d\n”, Score);
printf(“CGPA : %f\n”, CGPA);
printf(“Grade : %c\n”, Grade);
printf(“Comment : Poor”);
return 0; }

11. Simple Gaming

#include <stdio.h>
#include <stdlib.h>
#include <time.h>

int main() {
int guess, number, attempts = 0;
srand(time(0));
number = rand() % 100 + 1; // Generates a random number between 1 and 100

printf(“Welcome to the Guess the Number game!\n”);
printf(“I have chosen a number between 1 and 100. Can you guess it?\n”);

do {
printf(“Enter your guess: “);
scanf(“%d”, &guess);
attempts++;

if (guess > number) {
printf(“Too high! Try again.\n”);
} else if (guess < number) {
printf(“Too low! Try again.\n”);
} else {
printf(“Congratulations! You guessed the number in %d attempts.\n”, attempts);
}
} while (guess != number);

return 0; }

10. While_Loop

#include <stdio.h>
int main() {
int i=0;
do {
printf(“%d\n”, i);
i++; }
while(i<30); }

09. Leap Year

#include<stdio.h>
#include<conio.h>
int main ( ) {
int year;
printf(“Enter year”);
scanf(“%d”,& year);
if (year % 400==0)
printf(“%d is Leap Year”,year);
else if (year %100 == 0)
printf(“%d is not Leap Year”,year);
else if (year %4 == 0)
printf(“%d is Leap Year”,year);
else
printf(“%d is Leap Year”,year);
getch ( );
return 0; }

08. Complex Calculator

#include <stdio.h>
#include <stdlib.h>

// void funtion for calculator brain

void main_Calc(float number_one ,float number_two,char oparations){
if (oparations == ‘+’){
printf(“\nresult :%.2f”,number_one + number_two);
}else if(oparations == ‘-‘){
printf(“\nresult :%.2f”,number_one – number_two);
}else if(oparations == ‘*’){
printf(“\nresult :%.2f”,number_one * number_two);
}else if(oparations == ‘/’){
printf(“\nresult :%.2f”,number_one / number_two);
}else{
printf(“syntex erorr”); } }

//main function
int main(){
float num1 , num2;
char op,dis;
int x = 1;
while (x){

printf(“\n\nThis is a Easy Calculator. \n\nYou can do any types of calculation by using this calculator”);

printf(“\n\ninput number one : “);
scanf(“%f”,&num1);

printf(“\ninput number two :”);
scanf(“%f”,&num2);

printf(“\ninput oparator (+,-,*,/): “);
scanf(” %c”,&op);

main_Calc(num1,num2,op);

printf(“\n\nFor using calculator again type (yes) or (no) for exit: “);
scanf(” %c”,&dis);
if(dis == ‘yes’){
continue;
}else{
break; } }

return 0; }

07. Simple Calculator

#include<stdio.h>
int main() {
int num1,num2,result;

printf(“Enter Two Numbers : “);
scanf(“%d %d”, &num1,&num2);

result = num1 + num2;
printf(“The Sum Is : %d \n”, result);

result = num1 – num2;
printf(“The Sub Is : %d \n”, result);

result = num1 * num2;
printf(“The Mul Is : %d \n”, result);

result = num1 / num2;
printf(“The Div Is : %d \n”, result);

result = num1 % num2;
printf(“The Remainder Is : %d \n”, result);

return 0; }

 

06. Math problem

#include <math.h>
int main() {

int x1, y1, x2, y2;
printf(“First value of x and y: “);
scanf(“%d %d”, &x1,&y1);

printf(“Second value of x and y: “);
scanf(“%d %d”, &x2,&y2);

double distance;
distance = sqrt((x1-x2)*(x1-x2)+(y1+y2*(y1-y2)));

printf(“Distance = %.2lf\n”, distance);

return 0; }

05. ResultGrade

#include<stdio.h>

int main(){

float marks;

printf(“Enter your marks : “);
scanf(“%f”, &marks);

if(marks >=80)
printf(“A+\n”);

else if(marks >=70)
printf(“A\n”);

else if(marks >=60)
printf(“A-\n”);

else if(marks >=50)
printf(“B\n”);

else if(marks >=40)
printf(“C\n”);

else if(marks >=33)
printf(“D\n”);

else
printf(“Fail\n”);

return 0;
}

 

04. Decimal to Octal and Hexadecimal

#include<stdio.h>

void main()

{
int a;
printf(“\nDecimal number: “);
scanf(“%d”,&a);
printf(“\nOctal number: %o”,a);
printf(“\nHexadecimal number: %x”,a);

printf(“\n\n\n\n\nProgramming by Md Jakaria Nur!”);

printf(“\n\n\n\n”);

return 0;

}

03. Small Letter to Capital Letter

#include<stdio.h>

void main()

{
char n;
printf (“\nEnter any small character: “);
scanf(“%c”, &n);
printf(“\nYour typing capital charecter: %c”, n-32);

printf(“\n\n\n\n\nProgramming Md Jakaria Nur!”);

printf(“\n\n\n\n”);

return 0;

}

 

03. Small Letter to Capital Letter

#include
#include
#include

int main() {
int guess, number, attempts = 0;
srand(time(0));
number = rand() % 100 + 1; // Generates a random number between 1 and 100

printf(“Welcome to the Guess the Number game!\n”);
printf(“I have chosen a number between 1 and 100. Can you guess it?\n”);

do {
printf(“Enter your guess: “);
scanf(“%d”, &guess);
attempts++;

if (guess > number) {
printf(“Too high! Try again.\n”);
} else if (guess < number) {
printf(“Too low! Try again.\n”);
} else {
printf(“Congratulations! You guessed the number in %d attempts.\n”, attempts);
}
} while (guess != number);

return 0;
}

03. Small Letter to Capital Letter

#include <stdio.h>

void printF(int height, int width) {

for (int i = 0; i < height; ++i) {

if (i == 0 || i == height || i == height / 2) {

for (int j = 0; j < width; ++j) {

printf(“#”);

} printf(“\n”);

} else {

printf(“#\n”);

} } }

void printLargeC(int height, int width) {

for (int i = 0; i < height; ++i) {

if (i == 0 || i == height – 1) {

for (int j = 0; j < width; ++j) {

if (j >= width / 2) {

printf(“#”);

} else {

printf(” “); } }

printf(“\n”);

} else if (i == 1 || i == height – 2) {

for (int j = 0; j < width; ++j) {

if (j >= width / 2 – 1) {

printf(“#”);

} else {

printf(” “); } }

printf(“\n”);

} else if (i == 2 || i == height – 3) {

for (int j = 0; j < width; ++j) {

if (j >= width / 2 – 2) {

printf(“#”);

} else {

printf(” “); } }

printf(“\n”);

} else {

for (int j = 0; j < width; ++j) {

printf(“#”);

} printf(“\n”);

} } }

int main() {

printF(8, 5);

printf(“\n”);

printLargeC(6, 7);

return 0; }

 

 

#include <stdio.h>
#include <math.h>

int main() {
float a, b, c;
float discriminant, root1, root2, realPart, imaginaryPart;

printf(“Enter coefficients a, b and c: “);
scanf(“%f %f %f”, &a, &b, &c);

discriminant = b * b – 4 * a * c;

switch(discriminant > 0) {
case 1:
root1 = (-b + sqrt(discriminant)) / (2 * a);
root2 = (-b – sqrt(discriminant)) / (2 * a);
printf(“Roots are real and different: %.2f and %.2f”, root1, root2);
break;
case 0:
switch(discriminant < 0) {
case 1:
realPart = -b / (2 * a);
imaginaryPart = sqrt(-discriminant) / (2 * a);
printf(“Roots are complex and different: %.2f + %.2fi and %.2f – %.2fi”, realPart, imaginaryPart, realPart, imaginaryPart);
break;
case 0:
root1 = root2 = -b / (2 * a);
printf(“Roots are real and same: %.2f and %.2f”, root1, root2);
break;
}
break;
}

return 0;
}

Thank You!