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  1. #include <stdio.h>
  2. #include <math.h>
  3.  
  4. int main(void) {
  5. 	double Tm,a=1,b=2,h,ci;
  6. 	int i,No,m;
  7.  
  8. for(No=1;No<500;No++){
  9. 	Tm=0;
  10. 	m=No;
  11.     h=(b-a)/m;
  12. 	ci=a+h;
  13. 	Tm=(pow(a,3)+pow(b,3))/2;
  14. 	for(i=1;i<m;i++){
  15. 		Tm+=pow(ci,3);
  16. 		ci+=h;
  17. 	}
  18. 	Tm*=h;
  19. 	printf("%8d %.12lf\n",No,Tm);
  20. }
  21. 	return 0;
  22. }
Success #stdin #stdout 0.01s 5280KB
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Standard input is empty
stdout
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       1 4.500000000000
       2 3.937500000000
       3 3.833333333333
       4 3.796875000000
       5 3.780000000000
       6 3.770833333333
       7 3.765306122449
       8 3.761718750000
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      10 3.757500000000
      11 3.756198347107
      12 3.755208333333
      13 3.754437869822
      14 3.753826530612
      15 3.753333333333
      16 3.752929687500
      17 3.752595155709
      18 3.752314814815
      19 3.752077562327
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      21 3.751700680272
      22 3.751549586777
      23 3.751417769376
      24 3.751302083333
      25 3.751200000000
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      27 3.751028806584
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      29 3.750891795482
      30 3.750833333333
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      32 3.750732421875
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      34 3.750648788927
      35 3.750612244898
      36 3.750578703704
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https://ideone.com/2AvTyj
language:
C (gcc 8.3)
created:
4 days ago
visibility:
public

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