제출 #503473

#제출 시각아이디문제언어결과실행 시간메모리
503473InternetPerson10Growing Vegetables is Fun 4 (JOI21_ho_t1)C++17
100 / 100
34 ms11724 KiB
#include <bits/stdc++.h> using namespace std; typedef long long ll; ll plant_vegetables(vector<ll> nums) { int n = nums.size(); vector<ll> le(n), ri(n), rel(n), rer(n); rel[0] = nums[0]; rer[n-1] = nums[n-1]; for(int i = 1; i < n; i++) { le[i] = le[i-1] + max(0LL, nums[i-1] - nums[i] + 1); rel[i] = max(nums[i], nums[i-1]+1); } for(int i = n-2; i >= 0; i--) { ri[i] = ri[i+1] + max(0LL, nums[i+1] - nums[i] + 1); rer[i] = max(nums[i], nums[i+1]+1); } ll ans = 1234567891234567890; for(int i = 0; i < n; i++) { ans = min(ans, max(le[i], ri[i])); } return ans; } int main() { ios::sync_with_stdio(false); cin.tie(0); int n; cin >> n; vector<ll> nums(n); for(int i = 0; i < n; i++) cin >> nums[i]; cout << plant_vegetables(nums) << '\n'; }
#Verdict Execution timeMemoryGrader output
Fetching results...
#Verdict Execution timeMemoryGrader output
Fetching results...