답안 #655269

#	제출 시각	아이디	문제	언어	결과	실행 시간	메모리
655269	2022-11-03T16:55:17 Z	happypotato	쌀 창고 (IOI11_ricehub)	C++17	100 / 100	17 ms	3256 KB

ricehub

#include "ricehub.h"
using namespace std;
#define ll long long
const int mxN = 1e5 + 1;
ll int a[mxN], ps[mxN];
ll int budget;
int n;
bool test(int tar) {
	for (int i = (tar + 1) / 2; i <= n - tar / 2; i++) {
		ll int cur = 0;
		if (tar % 2 == 1) {
			cur += (a[i] * (tar / 2)) - (ps[i - 1] - ps[i - 1 - tar / 2]);
			cur += (ps[i + tar / 2] - ps[i]) - (a[i] * (tar / 2));
		} else {
			cur += (a[i] * (tar / 2)) - (ps[i] - ps[i - tar / 2]);
			cur += (ps[i + tar / 2] - ps[i]) - (a[i] * (tar / 2));
		}
		if (cur <= budget) return true;
	}
	return false;
}
int besthub(int R, int L, int X[], long long B) {
	n = R;
	for (int i = 1; i <= n; i++) {
		a[i] = X[i - 1];
		ps[i] = ps[i - 1] + a[i];
	}
	budget = B;
	int lb = 1, rb = n;
	while (lb < rb) {
		int mid = (lb + rb + 1) >> 1;
		if (test(mid)) lb = mid;
		else rb = mid - 1;
	}
	return lb;
}

Subtask #1

17.0 / 17.0

#	결과	실행 시간	메모리	Grader output
1	Correct	1 ms	340 KB	Output is correct
2	Correct	1 ms	212 KB	Output is correct
3	Correct	1 ms	340 KB	Output is correct
4	Correct	1 ms	212 KB	Output is correct
5	Correct	0 ms	292 KB	Output is correct

Subtask #2

25.0 / 25.0

#	결과	실행 시간	메모리	Grader output
1	Correct	0 ms	212 KB	Output is correct
2	Correct	0 ms	212 KB	Output is correct
3	Correct	0 ms	288 KB	Output is correct
4	Correct	0 ms	212 KB	Output is correct
5	Correct	1 ms	212 KB	Output is correct
6	Correct	0 ms	212 KB	Output is correct
7	Correct	1 ms	292 KB	Output is correct
8	Correct	1 ms	212 KB	Output is correct
9	Correct	0 ms	212 KB	Output is correct
10	Correct	1 ms	292 KB	Output is correct
11	Correct	1 ms	212 KB	Output is correct
12	Correct	0 ms	288 KB	Output is correct
13	Correct	0 ms	296 KB	Output is correct
14	Correct	0 ms	212 KB	Output is correct
15	Correct	0 ms	212 KB	Output is correct
16	Correct	0 ms	212 KB	Output is correct
17	Correct	0 ms	212 KB	Output is correct
18	Correct	0 ms	212 KB	Output is correct
19	Correct	0 ms	212 KB	Output is correct
20	Correct	1 ms	212 KB	Output is correct
21	Correct	1 ms	212 KB	Output is correct
22	Correct	0 ms	212 KB	Output is correct
23	Correct	1 ms	212 KB	Output is correct
24	Correct	0 ms	212 KB	Output is correct
25	Correct	1 ms	212 KB	Output is correct
26	Correct	0 ms	292 KB	Output is correct
27	Correct	1 ms	212 KB	Output is correct
28	Correct	0 ms	212 KB	Output is correct

Subtask #3

26.0 / 26.0

#	결과	실행 시간	메모리	Grader output
1	Correct	0 ms	212 KB	Output is correct
2	Correct	1 ms	212 KB	Output is correct
3	Correct	1 ms	212 KB	Output is correct
4	Correct	1 ms	292 KB	Output is correct
5	Correct	1 ms	288 KB	Output is correct
6	Correct	0 ms	212 KB	Output is correct
7	Correct	1 ms	296 KB	Output is correct
8	Correct	1 ms	212 KB	Output is correct
9	Correct	0 ms	212 KB	Output is correct
10	Correct	1 ms	212 KB	Output is correct
11	Correct	1 ms	292 KB	Output is correct
12	Correct	1 ms	212 KB	Output is correct
13	Correct	1 ms	212 KB	Output is correct
14	Correct	1 ms	212 KB	Output is correct
15	Correct	1 ms	212 KB	Output is correct
16	Correct	1 ms	212 KB	Output is correct
17	Correct	1 ms	212 KB	Output is correct
18	Correct	1 ms	212 KB	Output is correct
19	Correct	1 ms	212 KB	Output is correct
20	Correct	1 ms	212 KB	Output is correct
21	Correct	1 ms	304 KB	Output is correct
22	Correct	1 ms	340 KB	Output is correct
23	Correct	1 ms	340 KB	Output is correct
24	Correct	1 ms	340 KB	Output is correct
25	Correct	1 ms	340 KB	Output is correct
26	Correct	1 ms	432 KB	Output is correct
27	Correct	1 ms	428 KB	Output is correct
28	Correct	1 ms	340 KB	Output is correct

Subtask #4

32.0 / 32.0

#	결과	실행 시간	메모리	Grader output
1	Correct	3 ms	724 KB	Output is correct
2	Correct	4 ms	800 KB	Output is correct
3	Correct	17 ms	3256 KB	Output is correct
4	Correct	17 ms	3236 KB	Output is correct
5	Correct	6 ms	1620 KB	Output is correct
6	Correct	6 ms	1588 KB	Output is correct
7	Correct	13 ms	2928 KB	Output is correct
8	Correct	12 ms	2900 KB	Output is correct
9	Correct	7 ms	1492 KB	Output is correct
10	Correct	7 ms	1572 KB	Output is correct
11	Correct	15 ms	3232 KB	Output is correct
12	Correct	15 ms	3228 KB	Output is correct
13	Correct	7 ms	1620 KB	Output is correct
14	Correct	7 ms	1616 KB	Output is correct
15	Correct	11 ms	2480 KB	Output is correct
16	Correct	11 ms	2476 KB	Output is correct
17	Correct	12 ms	2900 KB	Output is correct
18	Correct	12 ms	2876 KB	Output is correct
19	Correct	13 ms	3096 KB	Output is correct
20	Correct	14 ms	3120 KB	Output is correct