Submission #620797

#	Time	Username	Problem	Language	Result	Execution time	Memory
620797		patrikpavic2	Growing Vegetables is Fun 4 (JOI21_ho_t1)	C++17	100 / 100	45 ms	6232 KiB

Main

#include <cstdio>
#include <algorithm>

using namespace std;

typedef long long ll;

const int N = 2e5 + 500;

int n, A[N];
ll dpL[N], dpR[N];

int main(){
	scanf("%d", &n);
	for(int i = 0;i < n;i++)
		scanf("%d", A + i);
	for(int i = 1;i < n;i++)
		dpL[i] = dpL[i - 1] + max(0, 1 - (A[i] - A[i - 1]));
	for(int i = n - 2;i >= 0;i--)
		dpR[i] = dpR[i + 1] + max(0, 1 - (A[i] - A[i + 1]));
	ll ans = (ll)1e18;
	for(int i = 0;i < n;i++)
		ans = min(ans, max(dpL[i], dpR[i]));
	printf("%lld\n", ans);
	return 0;
}

Compilation message (stderr)

Main.cpp: In function 'int main()':
Main.cpp:14:7: warning: ignoring return value of 'int scanf(const char*, ...)' declared with attribute 'warn_unused_result' [-Wunused-result]
   14 |  scanf("%d", &n);
      |  ~~~~~^~~~~~~~~~
Main.cpp:16:8: warning: ignoring return value of 'int scanf(const char*, ...)' declared with attribute 'warn_unused_result' [-Wunused-result]
   16 |   scanf("%d", A + i);
      |   ~~~~~^~~~~~~~~~~~~

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