답안 #411569

# 제출 시각 아이디 문제 언어 결과 실행 시간 메모리
411569 2021-05-25T13:58:30 Z jeqcho 쌀 창고 (IOI11_ricehub) C++17
100 / 100
18 ms 2884 KB
#include <bits/stdc++.h>
using namespace std;

typedef long long ll;
typedef pair<int,int> pii;
typedef vector<int> vi;
typedef vector<pair<int,int>> vpi;

#define FOR(i,a,b) for (int i = (a); i < (b); ++i)
#define F0R(i,a) FOR(i,0,a)
#define ROF(i,a,b) for (int i = (b)-1; i >= (a); --i)
#define R0F(i,a) ROF(i,0,a)
#define trav(a,x) for (auto& a: x)

#define pb push_back
#define rsz resize
#define sz(x) int(x.size())
#define all(x) begin(x), end(x)
#define fi first

// implementing official solution
// subtask 1,2,3
int R;
int const r=1e5+3;
int X[r];
ll pre[r];
ll B;
bool check(int len)
{
	F0R(i,R)
	{
		int las = i+len-1;
		if(las>=R)break;
		int mid = (i+las)/2;
		ll sumpos = pre[mid]-pre[i];
		ll cur=X[mid]*(mid-i)-sumpos;
		ll sumneg = pre[las+1]-pre[mid+1];
		cur += sumneg-X[mid]*(las-mid);
		if(cur<=B)
		{
			return 1;
		}
	}
	return 0;
}

int besthub(int R1, int L, int X1[], ll B1){
	R=R1;
	pre[0]=0;
	F0R(i,R)
	{
		X[i]=X1[i];
		pre[i+1]=pre[i]+(ll)X[i];
	}
	B=B1;
	int lef=1,rig=R;
	int ans=-1;
	while(lef<=rig)
	{
		int mid = (lef+rig)/2;
		if(check(mid))
		{
			lef=mid+1;
			ans=mid;
		}
		else
		{
			rig=mid-1;
		}
	}
	return ans;
}
# 결과 실행 시간 메모리 Grader output
1 Correct 1 ms 204 KB Output is correct
2 Correct 1 ms 204 KB Output is correct
3 Correct 1 ms 204 KB Output is correct
4 Correct 1 ms 204 KB Output is correct
5 Correct 1 ms 204 KB Output is correct
# 결과 실행 시간 메모리 Grader output
1 Correct 1 ms 204 KB Output is correct
2 Correct 1 ms 204 KB Output is correct
3 Correct 1 ms 204 KB Output is correct
4 Correct 1 ms 204 KB Output is correct
5 Correct 1 ms 204 KB Output is correct
6 Correct 1 ms 204 KB Output is correct
7 Correct 1 ms 204 KB Output is correct
8 Correct 1 ms 204 KB Output is correct
9 Correct 1 ms 204 KB Output is correct
10 Correct 1 ms 204 KB Output is correct
11 Correct 1 ms 204 KB Output is correct
12 Correct 1 ms 204 KB Output is correct
13 Correct 1 ms 204 KB Output is correct
14 Correct 1 ms 204 KB Output is correct
15 Correct 1 ms 204 KB Output is correct
16 Correct 1 ms 204 KB Output is correct
17 Correct 1 ms 204 KB Output is correct
18 Correct 1 ms 204 KB Output is correct
19 Correct 1 ms 204 KB Output is correct
20 Correct 1 ms 204 KB Output is correct
21 Correct 1 ms 204 KB Output is correct
22 Correct 1 ms 204 KB Output is correct
23 Correct 1 ms 216 KB Output is correct
24 Correct 1 ms 204 KB Output is correct
25 Correct 1 ms 204 KB Output is correct
26 Correct 1 ms 204 KB Output is correct
27 Correct 1 ms 204 KB Output is correct
28 Correct 1 ms 204 KB Output is correct
# 결과 실행 시간 메모리 Grader output
1 Correct 1 ms 204 KB Output is correct
2 Correct 1 ms 204 KB Output is correct
3 Correct 1 ms 332 KB Output is correct
4 Correct 1 ms 204 KB Output is correct
5 Correct 1 ms 204 KB Output is correct
6 Correct 1 ms 204 KB Output is correct
7 Correct 1 ms 332 KB Output is correct
8 Correct 1 ms 204 KB Output is correct
9 Correct 1 ms 204 KB Output is correct
10 Correct 1 ms 204 KB Output is correct
11 Correct 1 ms 204 KB Output is correct
12 Correct 1 ms 204 KB Output is correct
13 Correct 1 ms 332 KB Output is correct
14 Correct 1 ms 332 KB Output is correct
15 Correct 1 ms 204 KB Output is correct
16 Correct 1 ms 204 KB Output is correct
17 Correct 1 ms 332 KB Output is correct
18 Correct 1 ms 204 KB Output is correct
19 Correct 1 ms 204 KB Output is correct
20 Correct 1 ms 332 KB Output is correct
21 Correct 2 ms 332 KB Output is correct
22 Correct 1 ms 332 KB Output is correct
23 Correct 1 ms 332 KB Output is correct
24 Correct 1 ms 332 KB Output is correct
25 Correct 1 ms 332 KB Output is correct
26 Correct 1 ms 332 KB Output is correct
27 Correct 2 ms 332 KB Output is correct
28 Correct 2 ms 332 KB Output is correct
# 결과 실행 시간 메모리 Grader output
1 Correct 5 ms 588 KB Output is correct
2 Correct 4 ms 588 KB Output is correct
3 Correct 18 ms 1752 KB Output is correct
4 Correct 17 ms 1868 KB Output is correct
5 Correct 8 ms 1004 KB Output is correct
6 Correct 9 ms 1356 KB Output is correct
7 Correct 15 ms 2544 KB Output is correct
8 Correct 14 ms 2636 KB Output is correct
9 Correct 10 ms 1388 KB Output is correct
10 Correct 8 ms 1356 KB Output is correct
11 Correct 16 ms 2884 KB Output is correct
12 Correct 16 ms 2860 KB Output is correct
13 Correct 9 ms 1484 KB Output is correct
14 Correct 9 ms 1464 KB Output is correct
15 Correct 12 ms 2176 KB Output is correct
16 Correct 12 ms 2244 KB Output is correct
17 Correct 15 ms 2620 KB Output is correct
18 Correct 15 ms 2544 KB Output is correct
19 Correct 17 ms 2768 KB Output is correct
20 Correct 15 ms 2764 KB Output is correct