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  1. #include <stdio.h>
  2.  
  3. int main(void) {
  4. int N=10;
  5. double sum;
  6. for(int n=1;n<=10;n++){
  7. sum=0;
  8. for(int i=1;i<=n;i++){
  9. sum+=1.0/i;
  10. if(i<n)
  11. printf("1/%d+",i);
  12. else
  13. printf("1/%d",n);
  14. }
  15.  
  16. printf("=%.3f\n",sum);
  17. }
  18.  
  19. return 0;
  20. }
  21.  
Success #stdin #stdout 0s 2156KB
stdin
Standard input is empty
stdout
1/1=1.000
1/1+1/2=1.500
1/1+1/2+1/3=1.833
1/1+1/2+1/3+1/4=2.083
1/1+1/2+1/3+1/4+1/5=2.283
1/1+1/2+1/3+1/4+1/5+1/6=2.450
1/1+1/2+1/3+1/4+1/5+1/6+1/7=2.593
1/1+1/2+1/3+1/4+1/5+1/6+1/7+1/8=2.718
1/1+1/2+1/3+1/4+1/5+1/6+1/7+1/8+1/9=2.829
1/1+1/2+1/3+1/4+1/5+1/6+1/7+1/8+1/9+1/10=2.929