답안 #1117037

#	제출 시각	아이디	문제	언어	결과	실행 시간	메모리
1117037	2024-11-22T19:09:31 Z	Zflop	쌀 창고 (IOI11_ricehub)	C++14	68 / 100	10 ms	4688 KB

ricehub

#include <bits/stdc++.h>
using namespace std;
 
#include <ext/pb_ds/assoc_container.hpp>
using namespace __gnu_pbds;
const int NMAX = (int)1e5 * 2;
long long pref_val[NMAX],suf_val[NMAX];
int besthub(int R, int L, int X[], long long B) {
	for (int i = 0; i < R;++i) {
		pref_val[i] = X[i];
		if (i) {
			pref_val[i] += pref_val[i - 1];
			} 
		}
	for (int i = R - 1; i >= 0;--i) {
		suf_val[i] = suf_val[i + 1] + L - X[i];
		}
	
	int l = 1,r = R;
	int ans = 1;
	while (l <= r) {
		int mid = (l + r) / 2;
		//cout << mid << ' ' << "here\n";
		bool ok = false;
		for (int i = 0; i < R - mid + 1;++i) {
			int id = i + mid / 2;
			long long left_part = suf_val[i] - suf_val[id] - (id - i) * (L - X[id]);
			long long right_part = pref_val[i + mid - 1] - pref_val[id] - (mid - (id - i) - 1) * X[id];
			long long cost = left_part + right_part;
			//cout << cost << ' ' << mid << ' ' << left_part << ' ' << right_part << '\n';
			if (cost <= B) 
				ok = true;
			}
		if (ok) {
			ans = mid;
			l = mid + 1;
			}
		else 
			r = mid - 1;
		}
	return ans;
	}

Subtask #1

17.0 / 17.0

#	결과	실행 시간	메모리	Grader output
1	Correct	1 ms	4432 KB	Output is correct
2	Correct	1 ms	4432 KB	Output is correct
3	Correct	1 ms	4432 KB	Output is correct
4	Correct	1 ms	4432 KB	Output is correct
5	Correct	2 ms	4432 KB	Output is correct

Subtask #2

25.0 / 25.0

#	결과	실행 시간	메모리	Grader output
1	Correct	1 ms	4432 KB	Output is correct
2	Correct	1 ms	4432 KB	Output is correct
3	Correct	1 ms	4432 KB	Output is correct
4	Correct	1 ms	4432 KB	Output is correct
5	Correct	1 ms	4432 KB	Output is correct
6	Correct	1 ms	4432 KB	Output is correct
7	Correct	1 ms	4432 KB	Output is correct
8	Correct	1 ms	4432 KB	Output is correct
9	Correct	1 ms	4432 KB	Output is correct
10	Correct	1 ms	4432 KB	Output is correct
11	Correct	1 ms	4432 KB	Output is correct
12	Correct	1 ms	4432 KB	Output is correct
13	Correct	1 ms	4432 KB	Output is correct
14	Correct	2 ms	4432 KB	Output is correct
15	Correct	1 ms	4432 KB	Output is correct
16	Correct	1 ms	4432 KB	Output is correct
17	Correct	1 ms	4432 KB	Output is correct
18	Correct	1 ms	4432 KB	Output is correct
19	Correct	1 ms	4600 KB	Output is correct
20	Correct	2 ms	4432 KB	Output is correct
21	Correct	1 ms	4432 KB	Output is correct
22	Correct	1 ms	4432 KB	Output is correct
23	Correct	1 ms	4432 KB	Output is correct
24	Correct	1 ms	4432 KB	Output is correct
25	Correct	2 ms	4600 KB	Output is correct
26	Correct	1 ms	4432 KB	Output is correct
27	Correct	1 ms	4432 KB	Output is correct
28	Correct	1 ms	4432 KB	Output is correct

Subtask #3

26.0 / 26.0

#	결과	실행 시간	메모리	Grader output
1	Correct	1 ms	4432 KB	Output is correct
2	Correct	1 ms	4432 KB	Output is correct
3	Correct	1 ms	4432 KB	Output is correct
4	Correct	1 ms	4432 KB	Output is correct
5	Correct	1 ms	4432 KB	Output is correct
6	Correct	1 ms	4432 KB	Output is correct
7	Correct	1 ms	4600 KB	Output is correct
8	Correct	1 ms	4432 KB	Output is correct
9	Correct	1 ms	4432 KB	Output is correct
10	Correct	1 ms	4432 KB	Output is correct
11	Correct	1 ms	4432 KB	Output is correct
12	Correct	1 ms	4432 KB	Output is correct
13	Correct	1 ms	4432 KB	Output is correct
14	Correct	1 ms	4432 KB	Output is correct
15	Correct	1 ms	4432 KB	Output is correct
16	Correct	1 ms	4432 KB	Output is correct
17	Correct	1 ms	4432 KB	Output is correct
18	Correct	1 ms	4432 KB	Output is correct
19	Correct	1 ms	4432 KB	Output is correct
20	Correct	1 ms	4432 KB	Output is correct
21	Correct	1 ms	4432 KB	Output is correct
22	Correct	1 ms	4432 KB	Output is correct
23	Correct	1 ms	4600 KB	Output is correct
24	Correct	1 ms	4432 KB	Output is correct
25	Correct	1 ms	4432 KB	Output is correct
26	Correct	1 ms	4432 KB	Output is correct
27	Correct	2 ms	4432 KB	Output is correct
28	Correct	2 ms	4432 KB	Output is correct

Subtask #4

0 / 32.0

#	결과	실행 시간	메모리	Grader output
1	Correct	3 ms	4688 KB	Output is correct
2	Correct	3 ms	4688 KB	Output is correct
3	Correct	9 ms	4688 KB	Output is correct
4	Incorrect	10 ms	4688 KB	Output isn't correct
5	Halted	0 ms	0 KB	-