oj.uz

Submission #978437

# Submission time Handle Problem Language Result Execution time Memory
978437 2024-05-09T08:26:04 Z Newtonabc Rice Hub (IOI11_ricehub) C++14
100 / 100
 18 ms 4464 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=(i+mid)/2;
			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;
}

Compilation message

ricehub.cpp: In function 'int besthub(int, int, int*, long long int)':
ricehub.cpp:19:11: warning: unused variable 'mean' [-Wunused-variable]
   19 |    double mean=(double)sum/(double)(mid-i+1);
      |           ^~~~
ricehub.cpp:8:9: warning: variable 'tX' set but not used [-Wunused-but-set-variable]
    8 |  double tX[N];
      |         ^~

Subtask #1
17.0 / 17.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 1116 KB Output is correct
2 Correct 1 ms 1116 KB Output is correct
3 Correct 1 ms 1116 KB Output is correct
4 Correct 1 ms 1116 KB Output is correct
5 Correct 1 ms 1116 KB Output is correct

Subtask #2
25.0 / 25.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 1116 KB Output is correct
2 Correct 1 ms 1116 KB Output is correct
3 Correct 1 ms 1116 KB Output is correct
4 Correct 1 ms 1116 KB Output is correct
5 Correct 1 ms 1116 KB Output is correct
6 Correct 1 ms 1116 KB Output is correct
7 Correct 1 ms 1116 KB Output is correct
8 Correct 1 ms 1116 KB Output is correct
9 Correct 1 ms 1144 KB Output is correct
10 Correct 1 ms 1116 KB Output is correct
11 Correct 1 ms 1116 KB Output is correct
12 Correct 1 ms 1116 KB Output is correct
13 Correct 1 ms 1116 KB Output is correct
14 Correct 1 ms 1116 KB Output is correct
15 Correct 1 ms 1116 KB Output is correct
16 Correct 1 ms 1116 KB Output is correct
17 Correct 1 ms 1116 KB Output is correct
18 Correct 1 ms 1116 KB Output is correct
19 Correct 1 ms 1116 KB Output is correct
20 Correct 1 ms 1116 KB Output is correct
21 Correct 1 ms 1116 KB Output is correct
22 Correct 1 ms 1116 KB Output is correct
23 Correct 1 ms 1116 KB Output is correct
24 Correct 1 ms 1112 KB Output is correct
25 Correct 1 ms 1116 KB Output is correct
26 Correct 1 ms 1116 KB Output is correct
27 Correct 1 ms 1116 KB Output is correct
28 Correct 1 ms 1212 KB Output is correct

Subtask #3
26.0 / 26.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 1116 KB Output is correct
2 Correct 1 ms 1116 KB Output is correct
3 Correct 1 ms 1116 KB Output is correct
4 Correct 1 ms 1116 KB Output is correct
5 Correct 1 ms 1116 KB Output is correct
6 Correct 1 ms 1116 KB Output is correct
7 Correct 1 ms 1116 KB Output is correct
8 Correct 1 ms 1116 KB Output is correct
9 Correct 1 ms 1116 KB Output is correct
10 Correct 1 ms 1116 KB Output is correct
11 Correct 1 ms 1116 KB Output is correct
12 Correct 1 ms 1116 KB Output is correct
13 Correct 1 ms 1116 KB Output is correct
14 Correct 1 ms 1112 KB Output is correct
15 Correct 1 ms 1116 KB Output is correct
16 Correct 1 ms 1116 KB Output is correct
17 Correct 1 ms 1112 KB Output is correct
18 Correct 1 ms 1112 KB Output is correct
19 Correct 1 ms 1116 KB Output is correct
20 Correct 1 ms 1116 KB Output is correct
21 Correct 1 ms 1316 KB Output is correct
22 Correct 1 ms 1116 KB Output is correct
23 Correct 1 ms 1116 KB Output is correct
24 Correct 1 ms 1116 KB Output is correct
25 Correct 2 ms 1116 KB Output is correct
26 Correct 1 ms 1116 KB Output is correct
27 Correct 1 ms 1112 KB Output is correct
28 Correct 1 ms 1116 KB Output is correct

Subtask #4
32.0 / 32.0

# Verdict Execution time Memory Grader output
1 Correct 3 ms 1116 KB Output is correct
2 Correct 3 ms 1116 KB Output is correct
3 Correct 18 ms 3424 KB Output is correct
4 Correct 13 ms 3420 KB Output is correct
5 Correct 7 ms 3420 KB Output is correct
6 Correct 9 ms 3420 KB Output is correct
7 Correct 11 ms 3420 KB Output is correct
8 Correct 12 ms 3420 KB Output is correct
9 Correct 7 ms 3328 KB Output is correct
10 Correct 7 ms 3420 KB Output is correct
11 Correct 12 ms 3420 KB Output is correct
12 Correct 13 ms 3572 KB Output is correct
13 Correct 7 ms 3420 KB Output is correct
14 Correct 7 ms 3420 KB Output is correct
15 Correct 10 ms 3420 KB Output is correct
16 Correct 9 ms 3420 KB Output is correct
17 Correct 12 ms 4188 KB Output is correct
18 Correct 12 ms 4188 KB Output is correct
19 Correct 13 ms 4464 KB Output is correct
20 Correct 12 ms 4440 KB Output is correct