제출 #620797

#제출 시각아이디문제언어결과실행 시간메모리
620797patrikpavic2Growing Vegetables is Fun 4 (JOI21_ho_t1)C++17
100 / 100
45 ms6232 KiB
#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;
}

컴파일 시 표준 에러 (stderr) 메시지

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);
      |   ~~~~~^~~~~~~~~~~~~
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