Computer Scientists are Pretty Pessimistic

Sunday 4 October 2015

Write a program to print the sum and average of first n even numbers which are divisible by 3.

Enter n: 2 6+12 Sum is: 18 Average is: 9.0

CODE :: #include <stdio.h> int main () { int n,i=2,j,c=0,sum=0; double avg; printf("Enter n: "); scanf("%d",&n); while(c!=n) { if(i%3==0) { if(c<n-1) printf("%d+",i); else printf("%d",i); sum=sum+i; c++; } i=i+2; } printf("\nSum is: %d",sum); printf("\nAverage is: %.1lf",sum/(double)n); return 0; }  

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