답안 #364855

#	제출 시각	아이디	문제	언어	결과	실행 시간	메모리
364855	2021-02-10T09:28:13 Z	Rainbowbunny	금 캐기 (IZhO14_divide)	C++17	100 / 100	44 ms	6380 KB

divide

#include <iostream>

int n;
long long ans = 0;
long long x[100005], g[100005], d[100005];
long long suffix[100005];

int main()
{
	std::ios_base::sync_with_stdio(false);
	std::cin.tie(0);
	std::cout.tie(0);
	std::cin >> n;
	for(int i = 1; i <= n; i++)
	{
		std::cin >> x[i] >> g[i] >> d[i];
		d[i] += d[i - 1];
		g[i] += g[i - 1];
	}
	suffix[n] = d[n] - x[n];
	for(int i = n - 1; i >= 1; i--)
	{
		suffix[i] = std::max(suffix[i + 1], d[i] - x[i]);
	}
	for(int i = 1; i <= n; i++)
	{
		long long value = d[i - 1] - x[i];
		int l = 1, r = n;
		while(l < r)
		{
			int mid = (l + r + 1) >> 1;
			if(suffix[mid] >= value)
			{
				l = mid;
			}
			else
			{
				r = mid - 1;
			}
		}
		ans = std::max(ans, g[l] - g[i - 1]);
	}
	std::cout << ans;
}

Subtask #1

17.0 / 17.0

#	결과	실행 시간	메모리	Grader output
1	Correct	1 ms	364 KB	Output is correct
2	Correct	1 ms	364 KB	Output is correct
3	Correct	1 ms	364 KB	Output is correct
4	Correct	1 ms	364 KB	Output is correct
5	Correct	1 ms	364 KB	Output is correct
6	Correct	1 ms	364 KB	Output is correct
7	Correct	1 ms	364 KB	Output is correct
8	Correct	1 ms	364 KB	Output is correct
9	Correct	1 ms	364 KB	Output is correct
10	Correct	1 ms	364 KB	Output is correct
11	Correct	1 ms	364 KB	Output is correct
12	Correct	1 ms	364 KB	Output is correct

Subtask #2

31.0 / 31.0

#	결과	실행 시간	메모리	Grader output
1	Correct	1 ms	364 KB	Output is correct
2	Correct	1 ms	364 KB	Output is correct
3	Correct	1 ms	364 KB	Output is correct
4	Correct	1 ms	364 KB	Output is correct
5	Correct	1 ms	364 KB	Output is correct
6	Correct	1 ms	364 KB	Output is correct
7	Correct	1 ms	364 KB	Output is correct
8	Correct	1 ms	364 KB	Output is correct
9	Correct	1 ms	364 KB	Output is correct
10	Correct	1 ms	364 KB	Output is correct
11	Correct	1 ms	364 KB	Output is correct
12	Correct	1 ms	364 KB	Output is correct
13	Correct	1 ms	364 KB	Output is correct
14	Correct	1 ms	364 KB	Output is correct
15	Correct	1 ms	364 KB	Output is correct
16	Correct	1 ms	364 KB	Output is correct
17	Correct	1 ms	364 KB	Output is correct
18	Correct	1 ms	492 KB	Output is correct
19	Correct	1 ms	364 KB	Output is correct
20	Correct	1 ms	364 KB	Output is correct
21	Correct	1 ms	364 KB	Output is correct
22	Correct	1 ms	492 KB	Output is correct
23	Correct	3 ms	620 KB	Output is correct
24	Correct	3 ms	620 KB	Output is correct

Subtask #3

52.0 / 52.0

#	결과	실행 시간	메모리	Grader output
1	Correct	1 ms	364 KB	Output is correct
2	Correct	1 ms	364 KB	Output is correct
3	Correct	1 ms	364 KB	Output is correct
4	Correct	1 ms	364 KB	Output is correct
5	Correct	1 ms	364 KB	Output is correct
6	Correct	1 ms	364 KB	Output is correct
7	Correct	1 ms	364 KB	Output is correct
8	Correct	1 ms	364 KB	Output is correct
9	Correct	1 ms	364 KB	Output is correct
10	Correct	1 ms	364 KB	Output is correct
11	Correct	1 ms	364 KB	Output is correct
12	Correct	1 ms	364 KB	Output is correct
13	Correct	1 ms	364 KB	Output is correct
14	Correct	1 ms	364 KB	Output is correct
15	Correct	1 ms	364 KB	Output is correct
16	Correct	1 ms	364 KB	Output is correct
17	Correct	1 ms	364 KB	Output is correct
18	Correct	1 ms	492 KB	Output is correct
19	Correct	1 ms	364 KB	Output is correct
20	Correct	1 ms	364 KB	Output is correct
21	Correct	1 ms	364 KB	Output is correct
22	Correct	1 ms	492 KB	Output is correct
23	Correct	3 ms	620 KB	Output is correct
24	Correct	3 ms	620 KB	Output is correct
25	Correct	2 ms	620 KB	Output is correct
26	Correct	3 ms	748 KB	Output is correct
27	Correct	4 ms	876 KB	Output is correct
28	Correct	19 ms	2944 KB	Output is correct
29	Correct	20 ms	3180 KB	Output is correct
30	Correct	39 ms	6380 KB	Output is correct
31	Correct	40 ms	5228 KB	Output is correct
32	Correct	40 ms	5376 KB	Output is correct
33	Correct	32 ms	5100 KB	Output is correct
34	Correct	35 ms	5100 KB	Output is correct
35	Correct	39 ms	5612 KB	Output is correct
36	Correct	44 ms	5740 KB	Output is correct