Submission #649996

#	Time	Username	Problem	Language	Result	Execution time	Memory
649996		tigar	Growing Vegetables is Fun 4 (JOI21_ho_t1)	C++14	Compilation error	0 ms	0 KiB

Main

#include <bits/stdc++.h>

using namespace std;
typedef long long ll;
void speed()
{
    ios_base::sync_with_stdio(false);
    cin.tie(0); cout.tie(0);
}
ll a[n+2];
ll preff[n], suff[n];
int main()
{
    speed();
    int n; cin>>n;
    
    for(int i=0; i<n; i++)cin>>a[i];
    ll razlike[n]; razlike[0]=0; //razlike[i]=a[i]-a[i-1]
    for(int i=1; i<n; i++)razlike[i]=a[i]-a[i-1];
    
    preff[0]=0; suff[n-1]=0;
    for(int i=1; i<n; i++)
    {
        if(razlike[i]<=0)preff[i]=-razlike[i]+1;
        preff[i]+=preff[i-1];
    }
    for(int i=n-2; i>=0; i--)
    {
        if(razlike[i+1]>=0)suff[i]=razlike[i+1]+1;
        suff[i]+=suff[i+1];
    }
    //for(int i=0; i<n; i++)cout<<suff[i]<<" "<<preff[i]<<" "<<razlike[i]<<endl;
    ll rezz=INT_MAX;
    for(int i=0; i<n; i++)
    {
        rezz=min(rezz, max(suff[i], preff[i]));
    }
    cout<<rezz;
    return 0;
}

Compilation message (stderr)

Main.cpp:10:6: error: 'n' was not declared in this scope; did you mean 'yn'?
   10 | ll a[n+2];
      |      ^
      |      yn
Main.cpp:11:10: error: 'n' was not declared in this scope; did you mean 'yn'?
   11 | ll preff[n], suff[n];
      |          ^
      |          yn
Main.cpp:11:19: error: 'n' was not declared in this scope; did you mean 'yn'?
   11 | ll preff[n], suff[n];
      |                   ^
      |                   yn
Main.cpp: In function 'int main()':
Main.cpp:17:32: error: 'a' was not declared in this scope
   17 |     for(int i=0; i<n; i++)cin>>a[i];
      |                                ^
Main.cpp:19:38: error: 'a' was not declared in this scope
   19 |     for(int i=1; i<n; i++)razlike[i]=a[i]-a[i-1];
      |                                      ^
Main.cpp:21:5: error: 'preff' was not declared in this scope
   21 |     preff[0]=0; suff[n-1]=0;
      |     ^~~~~
Main.cpp:21:17: error: 'suff' was not declared in this scope
   21 |     preff[0]=0; suff[n-1]=0;
      |                 ^~~~