#include <iostream> #include <vector> #include <string> #include <algorithm> using namespace std; const int N=1000006; pair <int,int> a[N]; bool r[N]; int main(){ ios_base::sync_with_stdio(false); freopen("money.in","r",stdin); freopen("money.out","w",stdout); int n; cin>>n; for (int i = 0; i < n; i++){ int k; cin>>k; a[i].first=k; a[i].second=-i; } sort(a,a+n); int ans=1; r[-a[0].second+1]=true; for (int i = 1; i < n; i++){ if (r[-a[i].second]){ r[-a[i-1].second+1]=false; r[-a[i].second+1]=true; } else{ if (-a[i].second < -a[i - 1].second){ r[-a[i - 1].second + 1] = false; r[-a[i].second + 1] = true; } else{ r[-a[i].second + 1] = true; } ans++; } } cout<<ans<<endl; return 0; }

money.cpp: In function 'int main()':
money.cpp:13:31: warning: ignoring return value of 'FILE* freopen(const char*, const char*, FILE*)', declared with attribute warn_unused_result [-Wunused-result]
  freopen("money.in","r",stdin);
                               ^
money.cpp:14:33: warning: ignoring return value of 'FILE* freopen(const char*, const char*, FILE*)', declared with attribute warn_unused_result [-Wunused-result]
  freopen("money.out","w",stdout);
                                 ^