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84 lines
1.9 KiB
C
84 lines
1.9 KiB
C
/*C Program to Calculate Sum & Average of an Array
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This C Program calculates the sum & average of an array. It declares an array and then add the array elements and finds the average of the array.*/
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/*
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* C program to read N integers into an array A and
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* a) Find the sum of negative numbers
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* b) Find the sum of positive numbers
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* c) Find the average of all numbers
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* Display the results with suitable headings
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*/
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#include <stdio.h>
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#define MAXSIZE 10
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void main()
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{
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int array[MAXSIZE];
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int i, num, negative_sum = 0, positive_sum = 0;
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float total = 0.0, average;
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printf ("Enter the value of N \n");
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scanf("%d", &num);
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printf("Enter %d numbers (-ve, +ve and zero) \n", num);
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for (i = 0; i < num; i++)
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{
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scanf("%d", &array[i]);
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}
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printf("Input array elements \n");
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for (i = 0; i < num; i++)
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{
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printf("%+3d\n", array[i]);
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}
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/* Summation starts */
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for (i = 0; i < num; i++)
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{
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if (array[i] < 0)
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{
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negative_sum = negative_sum + array[i];
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}
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else if (array[i] > 0)
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{
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positive_sum = positive_sum + array[i];
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}
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else if (array[i] == 0)
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{
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;
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}
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total = total + array[i] ;
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}
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average = total / num;
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printf("\n Sum of all negative numbers = %d\n", negative_sum);
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printf("Sum of all positive numbers = %d\n", positive_sum);
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printf("\n Average of all input numbers = %.2f\n", average);
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}
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/*
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Enter the value of N
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10
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Enter 10 numbers (-ve, +ve and zero)
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-8
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9
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-100
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-80
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90
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45
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-23
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-1
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0
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16
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Input array elements
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-8
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+9
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-100
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-80
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+90
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+45
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-23
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-1
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+0
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+16
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Sum of all negative numbers = -212
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Sum of all positive numbers = 160
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Average of all input numbers = -5.20
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