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Nov 26th, 2014
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  1. #include<iostream>
  2. #include<stdio.h>
  3. #include<string.h>
  4. #include<algorithm>
  5.  
  6. using namespace std;
  7.  
  8.  
  9. int main()
  10. {
  11.  
  12. unsigned long long a,b,c,p[3],m,l,m1,l1,ll,maxi;
  13. cin>>a>>b>>c;
  14. m=0;
  15. l=0;
  16. m1=0;
  17. l1=0;
  18. p[0]=a;
  19. p[1]=b;
  20. p[2]=c;
  21.  
  22. sort(p,p+3);
  23.  
  24. if(a+b+c>=3)
  25. {
  26. while(p[0]>0&&p[2]>=2)
  27. {
  28. p[0]=p[0]-1;
  29. p[2]=p[2]-2;
  30. sort(p,p+3);
  31. m++;
  32.  
  33.  
  34. }
  35.  
  36. while(p[1]>0&&p[2]>=2)
  37. {
  38. p[1]=p[1]-1;
  39. p[2]=p[2]-2;
  40. sort(p,p+3);
  41. m++;
  42.  
  43.  
  44. }
  45.  
  46.  
  47.  
  48. if(p[0]>0&&p[1]>0||p[0]>0&&p[2]>0||p[1]>0&&p[2]>0||p[0]>0&&p[1]>0&&p[2]>0)
  49. {
  50. if(p[0]+p[1]>=3)
  51. {
  52. m++;
  53. }
  54.  
  55. if(p[0]+p[2]>=3)
  56. {
  57. m++;
  58. }
  59.  
  60. if(p[1]+p[2]>=3)
  61. {
  62. m++;
  63. }
  64.  
  65.  
  66. if(p[1]+p[2]+p[0]>=3)
  67. {
  68. m++;
  69. }
  70.  
  71.  
  72.  
  73.  
  74.  
  75.  
  76. }
  77.  
  78.  
  79.  
  80.  
  81.  
  82.  
  83.  
  84. }
  85.  
  86.  
  87.  
  88.  
  89.  
  90. cout<<m<<endl;
  91.  
  92.  
  93.  
  94.  
  95.  
  96.  
  97. }
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