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  1. #include <stdio.h>
  2. #include <stdlib.h>
  3.  
  4. int main(void)
  5. {
  6. 	/* Declaracao de variaveis */
  7. 	int n, m, a, b, c, d;
  8.  
  9. 	/* Inicializacao de valores  */  
  10. 	n = 0;
  11. 	m = 0;
  12. 	printf("Valor inicial de n: %d\n",  n);
  13. 	printf("Valor inicial de m: %d\n\n",m);
  14.  
  15.  
  16. 	/* Operacoes de incremento e decremento */
  17. 	n++;          /* resultado: n =  1 			*/
  18. 	printf("n++: %d\n", n);
  19. 	getchar(); /* pause */
  20.  
  21. 	++m;          /* resultado: m =  1 			*/
  22. 	printf("++m: %d\n", m);
  23. 	getchar(); /* pause */
  24.  
  25. 	n--; --n;     /* resultado: n = -1 			*/
  26. 	printf("n--, --n: %d\n\n", n);
  27. 	getchar(); /* pause */
  28.  
  29. 	a = n++;      /* resultado: a = -1; n =0 	*/
  30. 	printf("a = n++:  %d\n",   a);
  31. 	printf("n      :  %d\n\n", n);
  32. 	getchar(); /* pause */
  33.  
  34. 	b = ++m;      /* resultado: b =  2; m = 2	*/
  35. 	printf("b = ++m :  %d\n",   b);
  36. 	printf("m       :  %d\n\n", m);
  37. 	getchar(); /* pause */
  38.  
  39. 	c = 2*(m++);  /* resultado: c =  4; m = 3	*/
  40. 	printf("c = 2*(m++):  %d\n",   c);
  41. 	printf("m          :  %d\n\n", m);
  42. 	getchar(); /* pause */
  43.  
  44. 	d = 3*(++n);  /* resultado: d =  3; n = 1	*/
  45. 	printf("d = 3*(++n):  %d\n",   d);
  46. 	printf("n          :  %d\n\n", n);
  47. 	getchar(); /* pause */
  48.  
  49.  
  50. 	printf("\n\n\n\n");
  51. 	getchar(); /* pause */
  52. 	return 0;
  53. }
Success #stdin #stdout 0.01s 5460KB
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stdin
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Standard input is empty
stdout
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Valor inicial de n: 0
Valor inicial de m: 0

n++: 1
++m: 1
n--, --n: -1

a = n++:  -1
n      :  0

b = ++m :  2
m       :  2

c = 2*(m++):  4
m          :  3

d = 3*(++n):  3
n          :  1
https://ideone.com/ZAOvj9
language:
C (gcc 8.3)
created:
1 year ago
visibility:
public

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