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Write a C program to find the greatest among ten numbers?

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asked Jan 8, 2014 by keem Expert (13,240 points)

1 Answer

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Program:

#include <stdio.h>

int main() {

int a[10];

int i;

int greatest;

printf("Enter ten values:");

//Store 10 numbers in an array

for (i = 0; i < 10; i++) {

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

}

//Assume that a[0] is greatest

greatest = a[0];

for (i = 0; i < 10; i++) {

if (a[i] > greatest) {

greatest = a[i];

}

}

printf("\nGreatest of ten numbers is %d", greatest);

return 0;

}

Output:

Enter ten values: 2 53 65 3 88 8 14 5 77 64 Greatest of ten numbers is 88

Explanation with example:

Entered values are 2, 53, 65, 3, 88, 8, 14, 5, 77, 64

They are stored in an array of size 10. let a[] be an array holding these values.

/* how the greatest among ten numbers is found */

Let us consider a variable 'greatest'. At the beginning of the loop, variable 'greatest' is assigned  with the value of first element in the array greatest=a[0]. Here variable 'greatest' is assigned 2 as a[0]=2. Below loop is executed until end of the array 'a[]';.

for(i=0; i<10; i++)

{

if(a[i]>greatest)

{

greatest= a[i];

}

}

For each value of 'i', value of a[i] is compared with value of variable 'greatest'. If any value greater than the value of 'greatest' is encountered, it would be replaced by a[i]. After completion of 'for' loop, the value of variable 'greatest' holds the greatest number in the array. In this case 88 is the greatest of all the numbers.
answered Jan 8, 2014 by rajesh Guru (39,140 points)

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