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  1. //This is my first C language program
  2. #include <stdio.h>
  3. int main(void)
  4. {
  5. int n=0;
  6. int i=0;
  7. int s=0;
  8.  
  9. printf("Please enter value for N/n");
  10. scanf("%d",&n);
  11. s=0;
  12. for(i=1;i<=n;i+=1)
  13. {
  14. if (i % 2 == 0)
  15. {
  16. s=s+i;
  17. printf("Current value i=%d S=%d\n",i,s);
  18. }
  19. }
  20. printf("Final result suma is S=%d",s);
  21. }
Success #stdin #stdout 0.01s 5308KB
stdin
8
stdout
Please enter value for N/nCurrent value i=2 S=2
Current value i=4 S=6
Current value i=6 S=12
Current value i=8 S=20
Final result suma is S=20