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  1. #include <bits/stdc++.h>
  2. using namespace std;
  3.  
  4. vector<int> arr;
  5. int mn = INT_MAX;
  6.  
  7. void backTracking(int n, int i, int& s1, int& s2) {
  8.     if (i == n) {
  9.         mn = min(mn, abs(s1 - s2));
  10.         return;
  11.     }
  12.  
  13.     s1 += arr[i];
  14.     backTracking(n, i + 1, s1, s2);
  15.     s1 -= arr[i];
  16.  
  17.     s2 += arr[i];
  18.     backTracking(n, i + 1, s1, s2);
  19.     s2 -= arr[i];
  20. }
  21.  
  22. int main()
  23. {
  24.     int n; cin >> n;
  25.     for (int i = 0; i < n; i++) {
  26.         int s; cin >> s;
  27.         arr.push_back(s);
  28.     }
  29.  
  30.     int s1 = 0, s2 = 0;
  31.     backTracking(n, 0, s1, s2);
  32.     cout << mn;
  33.     return 0;
  34. }
  35.  
Success #stdin #stdout 0s 5320KB
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https://ideone.com/jKQLxU
language:
C++ (gcc 8.3)
created:
2 hours ago
visibility:
public

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