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  1. #include <stdio.h>
  2.  
  3. int main(void) {
  4. 	/* Declare and initialize each variable first  */
  5.  
  6. int var1 = 42;
  7.  
  8. int var2 = 014;           /* any number that starts with zero is octal */
  9.  
  10.                                    /* Octal 12 is equal to 10 decimal */
  11.  
  12. int var3 = 0x4A6;     /* any number that starts with 0x is hexadecimal */
  13.  
  14. char var4 = '8';         /* characters can be any character from the keyboard */
  15.  
  16. char var5 = 'a';
  17.  
  18. char var6 = '#';         /* each character should be in single quotes */
  19.  
  20. char var7 = 'A';
  21.  
  22. float var8 = 5.2;   /* floating pointer variables contain a decimal point */
  23.  
  24. float var9 = 2.0;
  25.  
  26. float varA = 2;     /* will be stored as 2.0 */
  27.  
  28. float varB = 0.07;
  29.  
  30. float varC = 7.0e-2;  /* 0.07 */
  31.  
  32. double varD = 5.2;  /* double variables may contain more decimal point numbers */
  33.  
  34. double varE = 12.33434343;
  35.  
  36. double varF = 5.667744544e3;    /* lots of digits passed the decimal pointer */
  37.  
  38. /* Let's print some numbers to the screen */
  39.  
  40. printf ("Integers:  %i %i %i \n", var1, var2, var3);
  41. printf ("Characters:  %c %c %c %c \n", var4, var5, var6, var7);
  42. printf ("Floats:  %f %f %f %f %f \n", var8, var9, varA, varB, varC);
  43. printf ("Doubles:  %g %g %g \n", varD, varE, varF);
  44. 	return 0;
  45. }
  46.  
Success #stdin #stdout 0.01s 5316KB
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stdin
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Standard input is empty
stdout
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Integers:  42 12 1190 
Characters:  8 a # A 
Floats:  5.200000 2.000000 2.000000 0.070000 0.070000 
Doubles:  5.2 12.3343 5667.74
https://ideone.com/xn1kMM
language:
C (gcc 8.3)
created:
2 days ago
visibility:
public

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