Lab Works 1 programs

1.c

// Write a program to find simple interest using function 

#include <stdio.h>
float simpleInterest(int p, int t, int r);

int main(){
	
	int p,t,r;
	float si;
	
	printf("Enter principle : \n");
	scanf("%d",&p);
	
	printf("Enter Time : \n");
	scanf("%d",&t);
	
	printf("Enter Rate of Interest : \n");
	scanf("%d",&r);
	
	si = simpleInterest(p,t,r);
	
	
	printf("Simple Interest is: %0.2f",si);
	

	return 0;
}

float simpleInterest(int p, int t, int r){
	
	return p*t*r/100;
}

2.c

// Write a program to find greatest number among four different numbers 

#include <stdio.h>
int greatestNumber(int a, int b, int c , int d);

int main(){
	int a,b,c,d,max;
	
	printf("Enter Four Numbers to find Greatest Number: \n");
	scanf("%d%d%d%d",&a,&b,&c,&d);
	
	max = greatestNumber(a,b,c,d);
	
	printf("Greatest Number is %d.",max);
	
	return 0;
}

int greatestNumber(int a, int b, int c , int d){
	
	if(a>b && a>c && a>d){
		
		return a;
		
	}else  if(b>a && b>c && b > d){
		
		return b;
		
	}else if(c > a && c > b && c > d ){
		
		return c;
		
	}else {
		
		return d;
			
	}
}

3.c

#include <stdio.h>

void printTable(int);

int main(){
	int n;
	
	printf("Enter number to print multiplication Table: \n");
	scanf("%d",&n);
	
	printTable(n);
	
	return 0;
	
}

void printTable(int n){
	int i;
	
	for(i=1;i<=10;i++){
		printf("%d x %d = %d\n", n,i,n*i);
	}
}

7.c

#include <stdio.h>

int sum(int n, int numbers[]);

int main(){
	int n,i,s,a;
	printf("Enter Size of Array: \n");
	scanf("%d",&n);
	
	int numbers[n];
	
	for(i=0;i<n;i++){
		printf("Enter Array Element: \n");
		scanf("%d",&numbers[i]);
	}
	
	s = sum(n,numbers);
	a = s/n;
	
	printf("Sum = %d \nAverage = %d",s,a);	
	
	return 0;
}

int sum(int n, int numbers[]){
	int s = 0;
	int j;
	
	for(j=0;j<n;j++){
		s += numbers[j];
	}
	
	return s;
	
}

8.c

#include <stdio.h>

int findMax(int n, int numbers[]);

int main(){
	int n,i,max;
	printf("Enter Size of Array: \n");
	scanf("%d",&n);
	
	int numbers[n];
	
	for(i=0;i<n;i++){
		printf("Enter Array Element: \n");
		scanf("%d",&numbers[i]);
	}
	
	max = findMax(n,numbers);
	
	printf("Greatest Number is %d.",max);
	
	return 0;
}

int findMax(int n, int numbers[]){
	
	int i,max;
	
	max = numbers[0];
	
	for(i=0;i<n;i++){
		
		if(max<numbers[i]){
			max = numbers[i];
		}
		
	}
	
	return max;
}