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  1. // "Brevity is the soul of wit."
  2. #include <bits/stdc++.h>
  3.  
  4. using namespace std;
  5.  
  6. #define boost ios_base::sync_with_stdio(false); cin.tie(0); cout.tie(0);
  7.  
  8. typedef long long ll;
  9.  
  10. struct Pair {
  11.     int value;
  12.     int index;
  13.     Pair(int _value, int _index) :
  14.         value(_value),
  15.         index(_index)
  16.     {}
  17. };
  18.  
  19. int main() { 
  20. #ifdef LOCAL
  21.     freopen("input.txt", "r", stdin);
  22. #endif  
  23.  
  24.     vector<int> A{10,9,8,7};
  25.     vector<int> B{1,2,3,4};
  26.  
  27.     Pair max1(INT_MIN, -1);
  28.     Pair max2(INT_MIN, -1);
  29.     for (int i = 0; i < (int)A.size(); i++) {
  30.         if (max1.value < A[i]) {
  31.             max1.value = A[i];
  32.             max1.index = i;
  33.         } 
  34.         if (max2.value < A[i] and max1.value != A[i]) {
  35.             max2.value = A[i];
  36.             max2.index = i;
  37.         } 
  38.     }
  39.  
  40.     Pair min1(INT_MAX, -1);
  41.     Pair min2(INT_MAX, -1);
  42.     for (int i = 0; i < (int)B.size(); i++) {
  43.         if (min1.value > B[i]) {
  44.             min1.value = B[i];
  45.             min1.index = i;
  46.         } 
  47.         if (min2.value > B[i] and min1.value != B[i]) {
  48.             min2.value = B[i];
  49.             min2.index = i;
  50.         }
  51.     }
  52.  
  53.     if (max1.index != min1.index) {
  54.         cout << max1.value - min1.value << "\n";
  55.     } else {
  56.         cout << max(max1.value - min2.value, max2.value - min1.value) << "\n";
  57.     }
  58.  
  59.     return 0;
  60. }
  61.  
Success #stdin #stdout 0s 16064KB
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https://ideone.com/91WiTl
language:
C++14 (gcc 8.3)
created:
6 years ago
visibility:
public

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