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Jul 4th, 2015
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  1. #include <stdio.h>
  2.  
  3. int quadrangle(int *,int);
  4. int min(int,int);
  5.  
  6. int main(){
  7.  
  8. int t,i,j,n,p[n][n];
  9. printf("nEnter the number of test cases");
  10. scanf("%d",&t);
  11. for(i=0;i<t;i++){
  12. scanf("%d",&n);
  13. for(j=0;j<n;j++){
  14. scanf("%d %d",&p[j][0],&p[j][1]);
  15. }
  16. printf("%d",quadrangle(&p[0][0],n));
  17. }
  18. return 0;
  19. }
  20.  
  21. int quadrangle(int *p,int len){
  22. int f=0,s=0,t=0,fo=0,i;
  23. for(i=0;i<len;i++){
  24. if(*(p+i*len)>0&&*(p+i*len+1)>0)
  25. f++;
  26. if(*(p+i*len)>0&&*(p+i*len+1)<0)
  27. s++;
  28. if(*(p+i*len)<0&&*(p+i*len+1)<0)
  29. t++;
  30. if(*(p+i*len)<0&&*(p+i*len+1)>0)
  31. fo++;
  32. }
  33. return min(min(f,s),min(t,fo));
  34. }
  35.  
  36. int min(int a,int b){
  37. if(a>b) return b;
  38. else return a;}
  39.  
  40. int t,i,j,n,p[n][n];
  41.  
  42. int t,i,j,n,p[n][n];
  43.  
  44. int t,i,j,n;
  45.  
  46. int p[n][n];
  47.  
  48. scanf("%d",&n);
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