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  1. #include<iostream>
  2. #include<string>
  3. #include<iomanip>
  4. #include<cmath>
  5. #include<algorithm>
  6. #include<vector>
  7. #include<stack>
  8. #include<queue>
  9. #include<map>
  10. #include<deque>
  11. #include<set>
  12. #include<bitset>
  13. #include <stdio.h>
  14. #include <stdlib.h>
  15. #include <functional>
  16. typedef unsigned long long ull;
  17. typedef long long ll;
  18. typedef long double ld;
  19. //#define all(v) v.begin(),v.end()
  20. #define sz(s)(int)(s.size())
  21. #define PI 3.14159265
  22. #define ebs 1e-8
  23. using namespace std;
  24. void fast()
  25. {
  26. 	std::ios_base::sync_with_stdio(0);
  27. 	cin.tie(NULL);
  28. 	cout.tie(NULL);
  29.  
  30. }
  31. //void file() { freopen("input.txt", "r", stdin); freopen("output.txt", "w", stdout); }
  32. ll frq[100000];
  33. int main()
  34. {
  35. 	//file();
  36. 	fast();
  37. 	ll arr[4];
  38. 	ll a = 0, b = 0, c = 0, d = 0;
  39. 	for (int i = 0; i < 4; i++)
  40. 	{
  41. 		cin >> arr[i];
  42. 		if (arr[i] == arr[0])
  43. 			a++;
  44. 		else if (arr[i] == arr[1])
  45. 			b++;
  46. 		else if (arr[i] == arr[2])
  47. 			c++;
  48. 		else if (arr[i] == arr[3])
  49. 			d++;
  50. 	}
  51. 	ll z = max(a, max(b, max(c, d)));
  52. 	//cout << a << "\n" << b << "\n" << c << "\n" << d << "\n";
  53. 	if (z > 1)
  54. 	{
  55. 		ll cnt = 0;
  56. 		if (z == a)
  57. 			cnt++;
  58. 		if (z == b)
  59. 			cnt++;
  60. 		if (z == c)
  61. 			cnt++;
  62. 		if (z == d)
  63. 			cnt++;
  64. 		//cout << cnt << "\n";
  65. 		cout << cnt*(z - 1) << "\n";
  66. 	}
  67. 	else
  68. 	   cout << z - 1 << "\n";
  69. 	return 0;
  70. }
Success #stdin #stdout 0s 4544KB
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https://ideone.com/kOJxIS
language:
C++ (gcc 8.3)
created:
4 years ago
visibility:
public

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