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  1. #include <bits/stdc++.h>
  2. using namespace std;
  3.  
  4. int main() {
  5. 	// your code goes here
  6. 	int n; cin >> n;
  7.     vector<int> a(n); 
  8.     for(int i=0;i<n;++i) {
  9.         cin >> a[i];
  10.     }
  11.     int x=1;
  12.     for(int i=n-2; i>=0; --i) {
  13.         if(a[i+1]>a[i]) ++x;
  14.         else break;
  15.     }
  16.     cout << n - x << "\n";
  17. 	return 0;
  18. }
Success #stdin #stdout 0s 5280KB
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stdin
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4
1 2 4 3
stdout
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3
https://ideone.com/hX4jxN
language:
C++ (gcc 8.3)
created:
4 days ago
visibility:
public

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