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  1. #include <stdio.h>
  2. int *A, stkTop;
  3. int stkFunc (int opcode, int val)
  4. {	   	static int size=2, stkTop=1;
  5.    		switch (opcode)
  6.    		{		case -1: size = val; break;
  7.       				case 0: if (stkTop < size) A[++stkTop] = ++val; break;
  8.       				default: if (stkTop <= size) return A[--stkTop];    }
  9.    return 1; }
  10. int main()
  11. {	   	int B[20]; A=B; stkTop = -2;
  12.    		stkFunc(-1, 6);
  13.    		stkFunc(0, 3);
  14.    		stkFunc(0, 8);
  15.    		printf("%d\n", stkFunc (3, 2) + stkFunc (5, 8));	}
  16.  
Success #stdin #stdout 0s 5280KB
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https://ideone.com/tQlHIk
language:
C (gcc 8.3)
created:
5 days ago
visibility:
public

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