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  1. #include <iostream>
  2. #include <cstdio>
  3. struct point{
  4. 	int x,y;
  5.  	point operator-(){
  6. 		point ret;
  7. 		ret.x = -x;
  8. 		ret.y = -y;
  9. 		return ret;
  10. 	}
  11. 	point operator-(point p2){
  12. 		point ret;
  13. 		ret.x = x - p2.x;
  14. 		ret.y = y - p2.y;
  15. 		return ret;
  16. 	}
  17. };
  18.  
  19. int main() {
  20. 	point p1, p2;
  21. 	p1.x = 10, p1.y = 20;
  22. 	p2.x = 5, p2.y = 5;
  23. 	point p_one = -p1, p_two = p1-p2 ;
  24. 	printf("%d %d\n%d %d",p_one.x, p_one.y,p_two.x, p_two.y);
  25. 	return 0;
  26. }
Success #stdin #stdout 0s 3468KB
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stdin
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Standard input is empty
stdout
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-10 -20
5 15
https://ideone.com/x1LpEy
language:
C++ (gcc 8.3)
created:
8 years ago
visibility:
public

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