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  1. #include "bits/stdc++.h"
  2.  
  3. using namespace std;
  4.  
  5. int main() {
  6.     int size{},rounds{1};
  7.     cin >> size;
  8.     vector<int> v(size);
  9.     for (int i{};i< size;++i) {
  10.         int val{};
  11.         cin >> val;
  12.         v[val] = i;
  13.     }
  14.     for (int i{};i<size-1;++i)if (v[i+1] < v[i])++rounds;
  15.     cout << rounds;
  16.     return 0;
  17. }
  18.  
Success #stdin #stdout 0s 5320KB
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https://ideone.com/JslEcJ
language:
C++14 (gcc 8.3)
created:
12 days ago
visibility:
public

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