Database System Concepts
Database System Concepts
7th Edition
ISBN: 9780078022159
Author: Abraham Silberschatz Professor, Henry F. Korth, S. Sudarshan
Publisher: McGraw-Hill Education
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program that runs in turbo c only

 

(Use function) Write a function-oriented program that scans a number n and then output the sum of the powers from 1 to n. Thus, if the input is 3, the output should be 14. Because of this computation: 12+22+32= 1+4+9 =14

Sample input/output dialogue:

Enter number: 3

The result is: 1 + 4 + 9 = 14

 

modify my program:

 

#include <stdio.h>
#include <conio.h>
#include <stdlib.h>
#include <string.h>

int exponential(int x);

void main(){
int value;
system("cls");
printf("Enter number: "); scanf("%d",&value);
printf("%d",exponential(value));
}

int exponential(int a)
{
int i,total=0;
for(i=1;i<=a;i++)
{
if(i!=a)
{
printf("%d + ",i*i);
}
else if (i==a)
{
printf("%d = ",i*i);
}
total += i*i;
}
getch();
return total;
}

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