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  1. #include<iostream>
  2. #include<algorithm>
  3. #include<vector>
  4. #include<stack>
  5. using namespace std;
  6. int n;
  7. int arr[20][20] = { 0, };
  8. int cnt = 0;
  9. int check[20] = { 0 };
  10. int minn = 100000000;
  11.  
  12. void solve(int start) {
  13. 	if (cnt == n / 2) { // 출력한다.
  14. 		int size1 = 0;
  15. 		int size2 = 0;
  16. 		int num1 = 0;
  17. 		int num2 = 0;
  18. 		int t1[10] = { 0 };
  19. 		int t2[10] = { 0 };
  20. 		for (int i = 0; i < n; i++) {
  21. 			if (check[i] == 1) {
  22. 				t1[size1] = i;
  23. 				size1++;
  24. 			}
  25. 			else {
  26. 				t2[size2] = i;
  27. 				size2++;
  28. 			}
  29. 		}
  30.  
  31.  
  32.  
  33. 			cout << size1 << "     " << size2 << endl;
  34. 			for (int i = 0; i < n; i++) {
  35. 				cout << check[i] << " ";
  36. 			}
  37. 			cout << endl;
  38. 		for (int i = 0; i <= size1; i++) {
  39. 			for (int j = 0; j <= size1; j++) {
  40. 				num1 += arr[t1[i]][t1[j]];
  41. 				num2 += arr[t2[i]][t2[j]];
  42. 			}
  43. 		}
  44. 		if (minn > abs(num1 - num2))
  45. 			minn = abs(num1 - num2);
  46.  
  47. 		cout << cnt << endl;
  48. 		return;
  49. 	}
  50. 	else {
  51. 		for (int i = start; i < n; i++) {
  52. 			cnt++;
  53. 			check[i] = 1;
  54. 			solve(start + 1);
  55. 			check[i] = 0;
  56. 			cnt--;
  57. 		}
  58. 	}
  59. 	if (cnt == 0)
  60. 		return;
  61.  
  62.  
  63. }
  64.  
  65.  
  66.  
  67.  
  68. int main() {
  69. 	ios_base::sync_with_stdio(false);
  70. 	cin.tie(NULL);
  71. 	cout.tie(NULL);
  72.  
  73. 	cin >> n;
  74. 	for (int i = 0; i < n; i++) {
  75. 		for (int j = 0; j < n; j++) {
  76. 			int num;
  77. 			cin >> num;
  78. 			arr[i][j] = num;
  79. 		}
  80. 	}
  81. 	solve(0);
  82. 	cout << minn;
  83.  
  84.  
  85. 	return 0;
  86. }
Success #stdin #stdout 0s 4584KB
comments (?)
stdin
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6
0 1 2 3 4 5
1 0 2 3 4 5
1 2 0 3 4 5
1 2 3 0 4 5
1 2 3 4 0 5
1 2 3 4 5 0
stdout
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3     3
1 1 1 0 0 0 
3
3     3
1 1 0 1 0 0 
3
3     3
1 1 0 0 1 0 
3
3     3
1 1 0 0 0 1 
3
2     4
1 0 1 0 0 0 
3
2     4
1 0 0 1 0 0 
3
2     4
1 0 0 0 1 0 
3
2     4
1 0 0 0 0 1 
3
3     3
1 0 1 1 0 0 
3
2     4
1 0 0 1 0 0 
3
2     4
1 0 0 0 1 0 
3
2     4
1 0 0 0 0 1 
3
3     3
1 0 1 0 1 0 
3
3     3
1 0 0 1 1 0 
3
2     4
1 0 0 0 1 0 
3
2     4
1 0 0 0 0 1 
3
3     3
1 0 1 0 0 1 
3
3     3
1 0 0 1 0 1 
3
3     3
1 0 0 0 1 1 
3
2     4
1 0 0 0 0 1 
3
2     4
0 1 1 0 0 0 
3
2     4
0 1 0 1 0 0 
3
2     4
0 1 0 0 1 0 
3
2     4
0 1 0 0 0 1 
3
1     5
0 0 1 0 0 0 
3
1     5
0 0 0 1 0 0 
3
1     5
0 0 0 0 1 0 
3
1     5
0 0 0 0 0 1 
3
2     4
0 0 1 1 0 0 
3
1     5
0 0 0 1 0 0 
3
1     5
0 0 0 0 1 0 
3
1     5
0 0 0 0 0 1 
3
2     4
0 0 1 0 1 0 
3
2     4
0 0 0 1 1 0 
3
1     5
0 0 0 0 1 0 
3
1     5
0 0 0 0 0 1 
3
2     4
0 0 1 0 0 1 
3
2     4
0 0 0 1 0 1 
3
2     4
0 0 0 0 1 1 
3
1     5
0 0 0 0 0 1 
3
2     4
0 1 1 0 0 0 
3
2     4
0 1 0 1 0 0 
3
2     4
0 1 0 0 1 0 
3
2     4
0 1 0 0 0 1 
3
1     5
0 0 1 0 0 0 
3
1     5
0 0 0 1 0 0 
3
1     5
0 0 0 0 1 0 
3
1     5
0 0 0 0 0 1 
3
2     4
0 0 1 1 0 0 
3
1     5
0 0 0 1 0 0 
3
1     5
0 0 0 0 1 0 
3
1     5
0 0 0 0 0 1 
3
2     4
0 0 1 0 1 0 
3
2     4
0 0 0 1 1 0 
3
1     5
0 0 0 0 1 0 
3
1     5
0 0 0 0 0 1 
3
2     4
0 0 1 0 0 1 
3
2     4
0 0 0 1 0 1 
3
2     4
0 0 0 0 1 1 
3
1     5
0 0 0 0 0 1 
3
3     3
0 1 1 1 0 0 
3
2     4
0 1 0 1 0 0 
3
2     4
0 1 0 0 1 0 
3
2     4
0 1 0 0 0 1 
3
1     5
0 0 1 0 0 0 
3
1     5
0 0 0 1 0 0 
3
1     5
0 0 0 0 1 0 
3
1     5
0 0 0 0 0 1 
3
2     4
0 0 1 1 0 0 
3
1     5
0 0 0 1 0 0 
3
1     5
0 0 0 0 1 0 
3
1     5
0 0 0 0 0 1 
3
2     4
0 0 1 0 1 0 
3
2     4
0 0 0 1 1 0 
3
1     5
0 0 0 0 1 0 
3
1     5
0 0 0 0 0 1 
3
2     4
0 0 1 0 0 1 
3
2     4
0 0 0 1 0 1 
3
2     4
0 0 0 0 1 1 
3
1     5
0 0 0 0 0 1 
3
3     3
0 1 1 0 1 0 
3
3     3
0 1 0 1 1 0 
3
2     4
0 1 0 0 1 0 
3
2     4
0 1 0 0 0 1 
3
1     5
0 0 1 0 0 0 
3
1     5
0 0 0 1 0 0 
3
1     5
0 0 0 0 1 0 
3
1     5
0 0 0 0 0 1 
3
2     4
0 0 1 1 0 0 
3
1     5
0 0 0 1 0 0 
3
1     5
0 0 0 0 1 0 
3
1     5
0 0 0 0 0 1 
3
2     4
0 0 1 0 1 0 
3
2     4
0 0 0 1 1 0 
3
1     5
0 0 0 0 1 0 
3
1     5
0 0 0 0 0 1 
3
2     4
0 0 1 0 0 1 
3
2     4
0 0 0 1 0 1 
3
2     4
0 0 0 0 1 1 
3
1     5
0 0 0 0 0 1 
3
3     3
0 1 1 0 0 1 
3
3     3
0 1 0 1 0 1 
3
3     3
0 1 0 0 1 1 
3
2     4
0 1 0 0 0 1 
3
1     5
0 0 1 0 0 0 
3
1     5
0 0 0 1 0 0 
3
1     5
0 0 0 0 1 0 
3
1     5
0 0 0 0 0 1 
3
2     4
0 0 1 1 0 0 
3
1     5
0 0 0 1 0 0 
3
1     5
0 0 0 0 1 0 
3
1     5
0 0 0 0 0 1 
3
2     4
0 0 1 0 1 0 
3
2     4
0 0 0 1 1 0 
3
1     5
0 0 0 0 1 0 
3
1     5
0 0 0 0 0 1 
3
2     4
0 0 1 0 0 1 
3
2     4
0 0 0 1 0 1 
3
2     4
0 0 0 0 1 1 
3
1     5
0 0 0 0 0 1 
3
0
https://ideone.com/OG5of2
language:
C++ (gcc 8.3)
created:
4 years ago
visibility:
public

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