Submission #536140

#	Time	Username	Problem	Language	Result	Execution time	Memory
536140		Itamar	Growing Vegetables is Fun 4 (JOI21_ho_t1)	C++14	100 / 100	95 ms	3164 KiB

Main

 #include <map>
#include <iostream>
using namespace std;
#include <vector>
#include <queue>
#include <set>
#include <algorithm>
#define ll long long
#define vi vector<int> 
#define vll vector<ll>
#define pi pair<int,int> 
#define pl pair<ll,ll>

int main()
{
    vi dis;
    int n;
    cin >> n;
    int last;
    cin >> last;
    for (int i = 1; i < n; i++) {
        int a;
        cin >> a;
        dis.push_back(a - last);
        last = a;
    }
    ll s1 = 0;
    ll s2 = 0;
    for (int i = 0; i < n - 1; i++) {
        if (dis[i] <= 0)
            s1 -= dis[i]-1;
    }
    ll min = s1;
    for (int i = n - 2; i >= 0; i--) {
        if (dis[i] <= 0)
            s1 += dis[i]-1;
        else
            s2 += dis[i]+1;
        if (dis[i] == 0)
            s2++;
        if (min > max(s1, s2))
            min = max(s1, s2);
    }
    cout << min;
}

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