C Exercises: Find the Sum of GP series
C For Loop: Exercise-52 with Solution
Write a program in c to find the Sum of GP series.
Pictorial Presentation:
Sample Solution:
C Code:
#include <stdio.h>
#include <math.h>
void main()
{
float g1,cr,i,n,j;
float ntrm,gpn;
float sum=0;
printf("\n\n Find the Sum of GP series.:\n ");
printf("-------------------------\n");
printf("Input the first number of the G.P. series: ");
scanf("%f",&g1);
printf("Input the number or terms in the G.P. series: ");
scanf("%f",&ntrm);
printf("Input the common ratio of G.P. series: ");
scanf("%f",&cr);
/*-------- generate G.P. series ---------------*/
printf("\nThe numbers for the G.P. series:\n ");
printf("%f ",g1);
sum=g1;
for(j=1;j<ntrm;j++)
{
gpn=g1*pow(cr,j);
sum=sum+gpn;
printf("%f ",gpn);
}
/*-------- End of G.P. series generate ---------------*/
printf("\nThe Sum of the G.P. series : %f\n\n",sum);
}
Sample Output:
Input the first number of the G.P. series: 3 Input the number or terms in the G.P. series: 5 Input the common ratio of G.P. series: 2 The numbers for the G.P. series: 3.000000 6.000000 12.000000 24.000000 48.000000 The Sum of the G.P. series : 93.000000
Flowchart:
C Programming Code Editor:
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C Programming: Tips of the Day
Static variable inside of a function in C
The scope of variable is where the variable name can be seen. Here, x is visible only inside function foo().
The lifetime of a variable is the period over which it exists. If x were defined without the keyword static, the lifetime would be from the entry into foo() to the return from foo(); so it would be re-initialized to 5 on every call.
The keyword static acts to extend the lifetime of a variable to the lifetime of the programme; e.g. initialization occurs once and once only and then the variable retains its value - whatever it has come to be - over all future calls to foo().
Ref : https://bit.ly/3fOq7XP
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