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Submission #978415

# Submission time Handle Problem Language Result Execution time Memory
978415 2024-05-09T08:04:55 Z Newtonabc Rice Hub (IOI11_ricehub) C++14
17 / 100
 67 ms 5000 KB 
#include "ricehub.h"
#include<bits/stdc++.h>
using namespace std;
int besthub(int R, int L, int X[], long long B)
{
	const int N=1e5+10;
	long long qs[N];
	double tX[N];
	int mx=0;
	qs[0]=X[0];
	tX[0]=X[0];
	for(int i=1;i<R;i++) qs[i]=X[i]+qs[i-1],tX[i]=X[i];
	for(int i=0;i<R;i++){
		int l=i,r=R-1;
		while(l<r){
			int mid=(l+r+1)/2;
			long long sum=qs[mid],bg=0;
			if(i>0) sum-=qs[i-1];
			double mean=(double)sum/(double)(mid-i+1);
			int ind=lower_bound(tX+i,tX+mid+1,mean)-tX;
			if(ind-1>=0 && fabs(tX[ind]-mean)>fabs(tX[ind-1]-mean)) ind--;
			bg=(qs[mid]-qs[ind]-((long long)X[ind]*(long long)(mid-ind)))+((long long)X[ind]*(long long)(ind-i));
			if(ind-1>=0) bg-=qs[ind-1];
			if(i>0) bg+=qs[i-1];
			if(bg<=B) l=mid;
			else r=mid-1;
		}
		mx=max(mx,l-i+1);
	}
	return mx;
}

Subtask #1
17.0 / 17.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 1884 KB Output is correct
2 Correct 1 ms 1884 KB Output is correct
3 Correct 1 ms 1884 KB Output is correct
4 Correct 2 ms 1884 KB Output is correct
5 Correct 1 ms 1884 KB Output is correct

Subtask #2
0 / 25.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 1884 KB Output is correct
2 Correct 1 ms 1884 KB Output is correct
3 Correct 1 ms 1884 KB Output is correct
4 Correct 1 ms 1884 KB Output is correct
5 Correct 1 ms 1884 KB Output is correct
6 Correct 1 ms 1880 KB Output is correct
7 Correct 1 ms 1884 KB Output is correct
8 Correct 1 ms 1884 KB Output is correct
9 Correct 1 ms 1884 KB Output is correct
10 Correct 1 ms 1884 KB Output is correct
11 Correct 1 ms 1884 KB Output is correct
12 Correct 1 ms 1884 KB Output is correct
13 Correct 1 ms 1884 KB Output is correct
14 Correct 1 ms 1880 KB Output is correct
15 Correct 1 ms 1884 KB Output is correct
16 Correct 1 ms 1960 KB Output is correct
17 Correct 1 ms 1884 KB Output is correct
18 Correct 1 ms 1884 KB Output is correct
19 Correct 1 ms 1884 KB Output is correct
20 Correct 1 ms 1880 KB Output is correct
21 Correct 2 ms 1884 KB Output is correct
22 Correct 1 ms 1884 KB Output is correct
23 Correct 1 ms 1884 KB Output is correct
24 Correct 2 ms 1884 KB Output is correct
25 Correct 2 ms 1884 KB Output is correct
26 Correct 1 ms 1884 KB Output is correct
27 Incorrect 1 ms 1952 KB Output isn't correct
28 Halted 0 ms 0 KB -

Subtask #3
0 / 26.0

# Verdict Execution time Memory Grader output
1 Correct 2 ms 1884 KB Output is correct
2 Correct 1 ms 1884 KB Output is correct
3 Correct 1 ms 1884 KB Output is correct
4 Correct 1 ms 1884 KB Output is correct
5 Correct 1 ms 1884 KB Output is correct
6 Correct 1 ms 1884 KB Output is correct
7 Correct 2 ms 1884 KB Output is correct
8 Correct 1 ms 1880 KB Output is correct
9 Correct 1 ms 1880 KB Output is correct
10 Correct 1 ms 1884 KB Output is correct
11 Correct 1 ms 1880 KB Output is correct
12 Correct 1 ms 1884 KB Output is correct
13 Correct 1 ms 1884 KB Output is correct
14 Correct 1 ms 1884 KB Output is correct
15 Correct 1 ms 1884 KB Output is correct
16 Correct 1 ms 1884 KB Output is correct
17 Correct 1 ms 1884 KB Output is correct
18 Correct 1 ms 1884 KB Output is correct
19 Correct 1 ms 1884 KB Output is correct
20 Correct 1 ms 1884 KB Output is correct
21 Correct 4 ms 1884 KB Output is correct
22 Correct 4 ms 1884 KB Output is correct
23 Correct 3 ms 1884 KB Output is correct
24 Correct 3 ms 1884 KB Output is correct
25 Correct 3 ms 1884 KB Output is correct
26 Correct 3 ms 1884 KB Output is correct
27 Incorrect 3 ms 1884 KB Output isn't correct
28 Halted 0 ms 0 KB -

Subtask #4
0 / 32.0

# Verdict Execution time Memory Grader output
1 Correct 6 ms 2004 KB Output is correct
2 Correct 6 ms 1884 KB Output is correct
3 Correct 44 ms 4216 KB Output is correct
4 Correct 48 ms 4184 KB Output is correct
5 Correct 34 ms 4188 KB Output is correct
6 Correct 35 ms 4212 KB Output is correct
7 Correct 63 ms 4188 KB Output is correct
8 Correct 63 ms 4184 KB Output is correct
9 Correct 35 ms 4188 KB Output is correct
10 Correct 37 ms 4184 KB Output is correct
11 Correct 67 ms 4220 KB Output is correct
12 Correct 66 ms 4212 KB Output is correct
13 Correct 32 ms 4688 KB Output is correct
14 Correct 31 ms 4620 KB Output is correct
15 Correct 51 ms 5000 KB Output is correct
16 Incorrect 53 ms 4952 KB Output isn't correct
17 Halted 0 ms 0 KB -