Answer / himaja

egyptian fraction is of the series eg 1/2+1/3=5/6.
#include<stdio.h>
#include<conio.h>
main()
{
int n,i=2,sum=0;
float m=0;
scanf("%d",&n);
for(i=0;i<=n;i++)
{
m = float(1/i);
sum=sum+m;
}
printf("%d",sum);
getch();

}

in one file global variable int i; is declared as static. In another file it is extern int i=100; Is this valid ?

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#include<stdio.h> int main() { int a[3][3][2]= {1,2,3,4,5,6,7,8,9,10,11,12,13,14,15,16,17,18}; printf("%d\n",*(*(*a+1)); return 0; } What will be the output of the above question? And how?

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What is preprocessor with example?

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When should we use pointers in a c program?

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