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  1. #include <bits/stdc++.h>
  2. using namespace std;
  3. // LONG LONG
  4. #define LL long long
  5. #define SFL(a) scanf("%lld",&a)
  6. #define SF2L(a,b) scanf("%lld%lld",&a,&b)
  7. #define PFL(a) printf("%lld",a)
  8. #define PF2L(a,b) printf("%lld %lld",a,b)
  9.  
  10. // INPUT
  11. #define SF(a) scanf("%d",&a)
  12. #define SF2(a,b) scanf("%d%d",&a,&b)
  13. #define SFS(a) scanf("%s",a)
  14.  
  15. // OUTPUT
  16. #define PF(a) printf("%d",a)
  17. #define PF2(a,b) printf("%d %d",a,b);
  18. #define PFS(s) printf("%s",s)
  19. #define PF2S(s1,s2) printf("%s %s",s1,s2)
  20.  
  21. #define NL printf("\n")
  22. #define fl(i,x,n) for(i=x;i<=n;i++)
  23. #define PB push_back
  24. #define MP make_pair
  25.  
  26. // DATA-STRUCTURES
  27. #define PII pair<int, int >
  28. #define PPIII pair<PII, int >
  29. #define PIPII pair<int, PII >
  30. #define PPIIPII pair<PII, PII >
  31.  
  32. // CONSTANTS
  33. #define MOD 1000000007
  34. #define SIZE 100005
  35.  
  36.  
  37. int main()
  38. {
  39. 	int i,j,r,g,b,sum=0;
  40. 	SF(r);
  41. 	SF2(g,b);
  42. 	if(r<=g && r<=b)
  43. 	{
  44. 		sum=r;
  45. 		i=g=g-r;
  46. 		j=b=b-r;
  47. 	}
  48. 	else if(b<=r && b<=g)
  49. 	{
  50. 		sum=b;
  51. 		i=r=r-b;
  52. 		j=g=g-b;
  53. 	}
  54. 	else
  55. 	{
  56. 		sum=g;
  57. 		i=r=r-g;
  58. 		j=b=b-g;
  59. 	}
  60. 	if(i>j)
  61. 	{
  62. 		int t=i;
  63. 		i=j;
  64. 		j=t;
  65. 	}
  66. 	while(i+j>=3)
  67. 	{
  68. 		if(i<j/2)
  69. 		{
  70. 			sum+=i;
  71. 			i=0;
  72. 			j=j-2*i;
  73. 			break;
  74. 		}
  75. 		else
  76. 		{
  77. 			sum+=j/2;
  78. 			i=i-j/2;
  79. 			j=j-2*(j/2);
  80. 			if(i>j)
  81. 			{
  82. 				int t=i;
  83. 				i=j;
  84. 				j=t;
  85. 			}
  86. 		}
  87. 	}
  88. 	PF(sum);
  89. 	NL;
  90. 	return 0;
  91. }
Success #stdin #stdout 0s 3460KB
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https://ideone.com/afXA8I
language:
C++ (gcc 8.3)
created:
8 years ago
visibility:
public

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