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  1. #include<stdio.h>
  2. int main()
  3. {
  4. int i=2,s=0,n;
  5. printf("Enter the value of the last series:");
  6. scanf("%d",&n);
  7. do
  8. {
  9. i=i+2;
  10. s=s+i;
  11. }
  12. while(i<=n);
  13. printf("%d",s);
  14. return 0;
  15. }
Success #stdin #stdout 0s 5320KB
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stdin
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stdout
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Enter the value of the last series:2650
https://ideone.com/HXzZsW
language:
C (gcc 8.3)
created:
1 day ago
visibility:
public

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