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  1. #include <iostream>     // std::cout
  2. #include <algorithm>    // std::sort
  3. #include <vector>       // std::vector
  4.  
  5.  
  6. int CountSamePositions(std::vector<int> &A, std::vector<int> &B)
  7. {
  8.     int count = 0;
  9.     for(int i = 0; i < 3; i++)
  10.         if(A[i] == B[i])
  11.             count ++;
  12.  
  13.     return count;
  14. }
  15.  
  16. int CountSameNumbers(std::vector<int> A, std::vector<int> B)
  17. {
  18.     std::sort(A.begin(), A.begin() + 3);
  19.     std::sort(B.begin(), B.begin() + 3);
  20.  
  21.     int count = 0;
  22.     for(int i = 0, j = 0; i < 3 && j < 3;)
  23.         if(A[i] < B[j])
  24.             i ++;
  25.         else if(A[i] > B[j])
  26.             j ++;
  27.         else
  28.             count ++, i ++, j ++;
  29.  
  30.     return count;
  31. }
  32.  
  33. int main(void) {
  34. 	int a = 1, b = 2, c = 3;
  35. 	int d = 2, e = 4, f = 3;
  36.  
  37. 	std::vector<int> A, B;
  38. 	A.push_back(a); A.push_back(b); A.push_back(c);
  39. 	B.push_back(d); B.push_back(e); B.push_back(f);
  40.  
  41.     int samepos = CountSamePositions(A, B);
  42.     int samenum = CountSameNumbers(A, B);
  43.  
  44.     if(samepos == 3)
  45.     	std::cout << "You won!\n";
  46. 	else if(samenum > 0)
  47. 		std::cout << "You guessed " << samenum << " numbers, " << samepos << " of them at right positions.\n";
  48. 	else
  49. 		std::cout << "You failed to guess any number. :(\n";
  50. 	return 0;
  51. }
  52.  
Success #stdin #stdout 0s 3472KB
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stdin
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Standard input is empty
stdout
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You guessed 2numbers, 1 of them at right positions.
https://ideone.com/Qp9DTH
language:
C++14 (clang 8.0)
created:
7 years ago
visibility:
public

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