Tutorial 8 Computer Science

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Coding ini dibuat hanya untuk rujukan.Bukannya untuk ditiru bulat².
Sila buat tutorial anda sendiri.Usaha tangga kejayaan.

Question 3

#include<stdio.h>
void mph_to_kmph(float);
void kmph_to_mph(float);
int main(void)
{

int check,sentinel;
float ans,input;
sentinel=1;
while(sentinel==1)
{

printf("If you would like to convert from MPH to KMPH,please enter \"1\" and if you would like to convert from KMPH to MPH,please enter \"2\" : ");
scanf("%i",&check);

switch(check)
{
    case 1:
            printf("\nPlease enter the speed in MPH : ");
            scanf("%f",&input);
            kmph_to_mph(input);
            break;
    case 2:
            printf("\nPlease enter the speed in KMPH : ");
            scanf("%f",&input);
            mph_to_kmph(input);
            break;
}
printf("\n\nDo you want to continue converting ?\n1 for continue\n");
scanf("%i",&sentinel);
}
return 0;
}

void kmph_to_mph(float input)
{   float ans;
    ans=input/1.609344;
    printf("\n%f mph is equal to %f kmph",input,ans);
}

void mph_to_kmph(float input)
{   float ans;
    ans=input*1.609344;
    printf("\n%f kmph is equal to %f mph",input,ans);
}


Question 4

#include<stdio.h>
#include<math.h>
#define PI 4.0*atan(1.0)
float degree_to_radian(int);
int main(void)
{
    float radian;
    int degree;
    degree=0;
    printf("Degree\tRadian\n");
    while(degree<360)
    {
        degree+=5;
        radian=degree_to_radian(degree);
        printf("\n%i\t%f",degree,radian);
    }
    return 0;
}

float degree_to_radian(int degree)
{   float radian;
    radian=degree*(PI/180);
    return radian;
}


Question 5

#include<stdio.h>
#define c 2.9979E8
void energy(float);
int main(void)
{
    float mass;
    printf("Please enter the value of mass (kg) : ");
    scanf("%f",&mass);
    energy(mass);

}

void energy(float mass)
{   float E;
    E=mass*c*c;
    printf("\nThe energy required for %.2f kg is %.2E",mass,E);
}


Question 6

#include<stdio.h>
#include<math.h>
float area(float,float,float,float);
float s(float,float,float);
int main(void)
{
    int sentinel;
    float a,b,c,S,AREA;
//LOOP BEGIN
do{

//Asking user data (input)

printf("Please enter value of a : ");
scanf("%f",&a);
printf("Please enter value of b : ");
scanf("%f",&b);
printf("Please enter value of c : ");
scanf("%f",&c);

//Assigning value to "S"
S=s(a,b,c);

//Calculating AREA
AREA=area(S,a,b,c);

printf("\nThe S value is %f,and the area of the triangle is %f",S,AREA);
printf("\nDo you want to continue ? Hit 1 to continue : ");
scanf("%i",&sentinel);
}while(sentinel==1);
//LOOP ENDS
return 0;
}

float s(float a,float b,float c)
{float S;
    S=(a+b+c)/2;
    return S;
}

float area(float S,float a,float b,float c)
{float AREA;
    AREA=sqrt(S*(S-a)*(S-b)*(S-c));
    return AREA;
}