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  1. #include <bits/stdc++.h>
  2.  
  3. using namespace std;
  4.  
  5. bool solution(vector<int> a)
  6. {
  7.     int n = a.size(), p = -1, c = 0;
  8.     for (int i = 1; i < n; i++)
  9.         if (a[i - 1] >= a[i])
  10.             p = i, c++;
  11.     if (c > 1)
  12.         return 0;
  13.     if (c == 0)
  14.         return 1;
  15.     if (p == n - 1 || p == 1)
  16.         return 1;
  17.     if (a[p - 1] < a[p + 1])
  18.         return 1;
  19.     if (a[p - 2] < a[p])
  20.         return 1;
  21.     return 0;
  22. }
  23.  
  24. int main() {
  25.     vector<int> vecInts{1, 1, 2, 3, 4, 4};
  26.     cout << solution(vecInts) << endl;
  27.     return 0;
  28. }
Success #stdin #stdout 0.01s 5504KB
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https://ideone.com/qwUoBq
language:
C++ (gcc 8.3)
created:
2 years ago
visibility:
public

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