Submission #770304

#	Time	Username	Problem	Language	Result	Execution time	Memory
770304		Gabi88	Growing Vegetables is Fun 4 (JOI21_ho_t1)	C++14	0 / 100	1 ms	332 KiB

Main

#include<bits/stdc++.h>
using namespace std;

#define LL long long
#define U unsigned
#define F first
#define S second
#define PB push_back
#define FR front
#define B back
#define P push
#define C const

int n, l[200009], poc = 0, kraj, sum = 0;

int main(){
	ios_base::sync_with_stdio(false); cin.tie(0); cin >> n; kraj = n+1;
	for(int i=1; i<=n; i++) cin >> l[i];
	l[0] = 0; l[kraj] = 0;
	while(poc < kraj){
		while(l[poc] < l[poc+1]) poc++;
		while(l[kraj] < l[kraj-1]) kraj--;
		if (poc >= kraj) break;
		sum += max(l[poc]-l[poc+1]+1, l[kraj-1]-l[kraj]+1); poc++; kraj--;
	}
	cout << sum; return 0;
}

• Subtask 1: 0 / 40
• Subtask 2: 0 / 60