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  1. //This is my first C language program
  2. #include <stdio.h>
  3.  
  4. int main(void)
  5. {
  6. int n=0;
  7. int i=0;
  8. int s=0;
  9.  
  10. printf("Please enter value for N\n");
  11. scanf("%d", &n);
  12.  
  13. s = 0;
  14. for (i = 1; i <= n; i = i + 1)
  15. {
  16. if (i % 2 == 0)
  17. {
  18. s = s + i;
  19. printf("Current value i=%d S=%d\n", i, s);
  20. }
  21. }
  22.  
  23. printf("Final result suma is S=%d", s);
  24. }
Success #stdin #stdout 0.01s 5316KB
stdin
10
stdout
Please enter value for N
Current value i=2 S=2
Current value i=4 S=6
Current value i=6 S=12
Current value i=8 S=20
Current value i=10 S=30
Final result suma is S=30