Finding the Largest Number in an Array in C

 Machine Problem 

Write a program for finding the largest number in an array.

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Program Listing

/* largest.c

 Machine Problem

 

   Write a program for finding the largest number in an array.

Author : Jake Rodriguez Pomperada, MAED-IT, MIT

www.jakerpomperada.com  and www.jakerpomperada.blogspot.com

jakerpomperada@gmail.com

Bacolod City, Negros Occidental

*/

#include <stdio.h>

int main()

{

int *arr, i=0, j=0, num=0, LARGEST; 

printf("\n\n");

printf("\tFinding the Largest Number in an Array in C");

printf("\n\n");

printf("\tHow many elements in an array? : "); 

scanf("%d", &num);

printf("\n");

arr=(int*) malloc(sizeof(int)*num); 

for(i=0; i<num; i++)

{

printf("\tEnter a value number %d : ",i+1); 

scanf("%d", &arr[i]);

} 

LARGEST=arr[0];

for(i=1; i<num;i++) 

{

if(arr[i]>LARGEST) LARGEST=arr[i];

}

printf("\n\n");

printf("\tThe largest number in the array is : %d", LARGEST); 

printf("\n\n");

printf("\tEnd of Program");

printf("\n\n");

system("pause");

}