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  1. #include <stdio.h>
  2.  
  3.  
  4. int main()
  5. {
  6.  
  7. float tf, tc, tk, t;
  8. char udm, c, k, f;
  9.  
  10. printf("inserire una temperatura:\n");
  11. scanf("%f",& t);
  12.  
  13. printf("inserire l'udm:\n");
  14. scanf("%char", &udm);
  15.  
  16. if(udm='k'){
  17.     tk=t;
  18.     tc=tk-273.15;
  19.     tf=(tk-273.15)*1.8+32;
  20. }
  21. else if(udm='c'){
  22.     tc=t;
  23.     tk=tc+273.15;
  24.     tf=tc*1.8+32;
  25. }
  26. else if(udm='f'){
  27.     tf=t;
  28.     tc=(tf-32)/1.8;
  29.     tk=tc+273.15;
  30.  
  31. }
  32.  
  33. if (tk<0){
  34.     printf("errore\n");
  35.  
  36. }
  37.    printf("la temperatura in celsius vale %f\n", tc);
  38.    printf("la temperatura in kelvin vale %f\n", tk); 
  39.    printf("la temperatura in fahrenheit vale %f\n", tf);
  40.  
  41.  
  42.  
  43.  
  44.     return 0;
  45. }
Success #stdin #stdout 0s 5572KB
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stdin
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10
c
stdout
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inserire una temperatura:
inserire l'udm:
la temperatura in celsius vale -263.149994
la temperatura in kelvin vale 10.000000
la temperatura in fahrenheit vale -441.670013
https://ideone.com/8eletC
language:
C (gcc 8.3)
created:
2 years ago
visibility:
public

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