답안 #672121

# 제출 시각 아이디 문제 언어 결과 실행 시간 메모리
672121 2022-12-14T19:33:25 Z Hacv16 쌀 창고 (IOI11_ricehub) C++17
100 / 100
14 ms 3260 KB
#include<bits/stdc++.h>
#include "ricehub.h"
 
using namespace std;
 
typedef long long ll;
const int MAX = 2e6 + 15;
const ll INF = 5e18 + 15;

ll n, x[MAX], px[MAX], L;
ll b;

ll sum(ll l, ll r){
	return px[r] - (l == 0 ? 0LL : px[l - 1]);
}

bool f(ll s){
	for(ll l = 0, r = s - 1; r < n; l++, r++){
		ll m = (l + r) >> 1; 
		ll cost = 0;

		cost += sum(m + 1, r) - (r - m) * x[m];
		cost += (m - l) * x[m] - sum(l, m - 1);

		if(cost <= b) return true; 
	}

	return false;
}

int besthub(int _n, int _L, int _x[], ll _b){
	n = _n; L = _L; b = _b;

	for(int i = 0; i < n; i++)
		x[i] = _x[i];

	for(int i = 1; i < n; i++)
		px[i] = x[i] + px[i - 1];

	ll l = 0, r = MAX, ans = 1;
 
	while(l <= r){ //bbin na resposta
		int m = (l + r) >> 1;
		if(f(m)) l = m + 1, ans = m;
		else r = m - 1;
	}

	return ans;
}
# 결과 실행 시간 메모리 Grader output
1 Correct 1 ms 212 KB Output is correct
2 Correct 0 ms 212 KB Output is correct
3 Correct 0 ms 212 KB Output is correct
4 Correct 1 ms 212 KB Output is correct
5 Correct 1 ms 212 KB Output is correct
# 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 212 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 0 ms 212 KB Output is correct
8 Correct 0 ms 212 KB Output is correct
9 Correct 0 ms 212 KB Output is correct
10 Correct 0 ms 212 KB Output is correct
11 Correct 0 ms 212 KB Output is correct
12 Correct 0 ms 212 KB Output is correct
13 Correct 0 ms 212 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 1 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 0 ms 212 KB Output is correct
21 Correct 0 ms 212 KB Output is correct
22 Correct 0 ms 212 KB Output is correct
23 Correct 0 ms 340 KB Output is correct
24 Correct 0 ms 220 KB Output is correct
25 Correct 0 ms 212 KB Output is correct
26 Correct 0 ms 212 KB Output is correct
27 Correct 0 ms 212 KB Output is correct
28 Correct 0 ms 212 KB Output is correct
# 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 340 KB Output is correct
4 Correct 0 ms 340 KB Output is correct
5 Correct 0 ms 212 KB Output is correct
6 Correct 0 ms 212 KB Output is correct
7 Correct 1 ms 340 KB Output is correct
8 Correct 0 ms 340 KB Output is correct
9 Correct 1 ms 212 KB Output is correct
10 Correct 1 ms 212 KB Output is correct
11 Correct 0 ms 340 KB Output is correct
12 Correct 0 ms 212 KB Output is correct
13 Correct 0 ms 340 KB Output is correct
14 Correct 1 ms 340 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 1 ms 212 KB Output is correct
19 Correct 1 ms 340 KB Output is correct
20 Correct 0 ms 340 KB Output is correct
21 Correct 1 ms 340 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 340 KB Output is correct
27 Correct 1 ms 352 KB Output is correct
28 Correct 1 ms 340 KB Output is correct
# 결과 실행 시간 메모리 Grader output
1 Correct 3 ms 596 KB Output is correct
2 Correct 3 ms 596 KB Output is correct
3 Correct 13 ms 2276 KB Output is correct
4 Correct 14 ms 2196 KB Output is correct
5 Correct 7 ms 1600 KB Output is correct
6 Correct 6 ms 1620 KB Output is correct
7 Correct 11 ms 3028 KB Output is correct
8 Correct 11 ms 3028 KB Output is correct
9 Correct 6 ms 1596 KB Output is correct
10 Correct 6 ms 1592 KB Output is correct
11 Correct 13 ms 3244 KB Output is correct
12 Correct 13 ms 3260 KB Output is correct
13 Correct 7 ms 1620 KB Output is correct
14 Correct 8 ms 1600 KB Output is correct
15 Correct 10 ms 2516 KB Output is correct
16 Correct 8 ms 2516 KB Output is correct
17 Correct 14 ms 3004 KB Output is correct
18 Correct 10 ms 2900 KB Output is correct
19 Correct 11 ms 3120 KB Output is correct
20 Correct 12 ms 3088 KB Output is correct