Submission #973925

#	Time	Username	Problem	Language	Result	Execution time	Memory
973925		resfast	Growing Vegetables is Fun 4 (JOI21_ho_t1)	C++17	100 / 100	23 ms	7508 KiB

Main

#include <bits/stdc++.h>
//#pragma GCC optimize("O3")
using namespace std;
#define islam_zymchybekov void solve()
#define ios ios::sync_with_stdio(false); cin.tie(NULL);
#define pb push_back
#define all(x) x.begin(), x.end()
#define rall(x) x.rbegin(), x.rend()
#define fr first
#define sc second
#define nl cout<<'\n';
#define int long long
typedef vector<int> vi;
typedef pair<int,int> pi;
int pref[200005];
int suf[200005];
int a[200005];
islam_zymchybekov{
	int n,ans=92233720368547707;
	cin>>n;
	for(int i=1;i<=n;i++){
		cin>>a[i];
	}
	a[0]=-92233720368547758;
	a[n+1]=-92233720368575807;
	for(int i=1;i<=n;i++){
		pref[i]=pref[i-1]+max(a[i-1]-a[i]+1,0ll);
	}
	for(int i=n;i>0;i--){
		suf[i]=suf[i+1]+max(a[i+1]-a[i]+1,0ll);
	}
	for(int i=1;i<=n;i++){
		ans=min(ans,max(pref[i],suf[i]));
	}
	cout<<ans;
}
 main(){
    ios;
    int T = 1;
//	    cin >> T;
    while(T--){
        solve();
    }
    //cout<<fixed<<setprecision(10);
    //cerr<<"Time:"<<1000*((double)clock())/(double)CLOCKS_PER_SEC<<"ms\n";__int128
}

Compilation message (stderr)

Main.cpp:37:2: warning: ISO C++ forbids declaration of 'main' with no type [-Wreturn-type]
   37 |  main(){
      |  ^~~~

• Subtask 1: 40 / 40
• Subtask 2: 60 / 60