21. Program
#include
#include
int main( )
{
char str[100];
int i;
printf( "Enter a value :");
scanf("%s %d", str, &i);
printf( "\nYou entered: %s %d ", str, i);
return 0;
getch();
}
Output
Enter a value : seven 7
You entered: seven 7
22. Calculate sum & Average of
an Array
#include
#include
#define Maxsize 10
void main()
{
int array[Maxsize];
int i, num, negative_sum = 0, positive_sum = 0;
float total = 0.0, average;
clrscr();
printf ("Enter the value of N \n");
scanf("%d", &num);
printf("Enter %d numbers (-ve, +ve and zero) \n", num);
for (i = 0; i < num; i++)
{
scanf("%d", &array[i]);
}
printf("Input array elements \n");
for (i = 0; i < num; i++)
{
printf("%+3d\n", array[i]);
}
for (i = 0; i < num; i++)
{
if (array[i] < 0)
{
negative_sum = negative_sum + array[i];
}
else if (array[i] > 0)
{
positive_sum = positive_sum + array[i];
}
else if (array[i] == 0)
{
;
}
total = total + array[i] ;
}
average = total / num;
printf("\n Sum of all negative numbers = %d\n", negative_sum);
printf("Sum of all positive numbers = %d\n", positive_sum);
printf("\n Average of all input numbers = %.2f\n", average);
getch();
}
Output
Enter the value of N
10
Enter 10 numbers (-ve, +ve and zero)
-8
9
-100
-80
90
45
-23
-1
0
16
Input array elements
-8
+9
-100
-80
+90
+45
-23
-1
+0
+16
Sum of all negative numbers = -212
Sum of all positive numbers = 160
Average of all input numbers = -5.20
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