Submission #978382

# Submission time Handle Problem Language Result Execution time Memory
978382 2024-05-09T07:36:43 Z Newtonabc Rice Hub (IOI11_ricehub) C++14
0 / 100
77 ms 5280 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,tmp;
			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]-(X[ind]*(mid-ind)))+(X[ind]*(ind-i))-qs[ind-1];
			if(i>0) bg+=qs[i-1];
			if(bg<=B) mx=max(mx,mid-i+1);
			if(bg<=B) l=mid;
			else r=mid-1;
		}
	}
	return mx;
}

Compilation message

ricehub.cpp: In function 'int besthub(int, int, int*, long long int)':
ricehub.cpp:16:22: warning: unused variable 'tmp' [-Wunused-variable]
   16 |    int mid=(l+r+1)/2,tmp;
      |                      ^~~
# Verdict Execution time Memory Grader output
1 Incorrect 1 ms 1880 KB Output isn't correct
2 Halted 0 ms 0 KB -
# Verdict Execution time Memory Grader output
1 Incorrect 1 ms 1884 KB Output isn't correct
2 Halted 0 ms 0 KB -
# 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 1944 KB Output is correct
6 Correct 1 ms 1884 KB Output is correct
7 Correct 2 ms 1884 KB Output is correct
8 Correct 2 ms 1984 KB Output is correct
9 Correct 1 ms 1884 KB Output is correct
10 Correct 2 ms 1988 KB Output is correct
11 Correct 2 ms 1884 KB Output is correct
12 Correct 2 ms 1884 KB Output is correct
13 Correct 2 ms 1884 KB Output is correct
14 Correct 2 ms 1884 KB Output is correct
15 Correct 1 ms 1884 KB Output is correct
16 Correct 1 ms 1820 KB Output is correct
17 Correct 2 ms 1984 KB Output is correct
18 Correct 2 ms 1892 KB Output is correct
19 Correct 2 ms 1884 KB Output is correct
20 Correct 2 ms 1884 KB Output is correct
21 Correct 4 ms 2052 KB Output is correct
22 Correct 3 ms 1880 KB Output is correct
23 Correct 3 ms 1884 KB Output is correct
24 Correct 3 ms 1884 KB Output is correct
25 Correct 4 ms 1884 KB Output is correct
26 Correct 4 ms 1884 KB Output is correct
27 Incorrect 3 ms 1884 KB Output isn't correct
28 Halted 0 ms 0 KB -
# Verdict Execution time Memory Grader output
1 Correct 6 ms 2216 KB Output is correct
2 Correct 6 ms 2096 KB Output is correct
3 Correct 42 ms 5212 KB Output is correct
4 Correct 42 ms 5280 KB Output is correct
5 Correct 34 ms 4444 KB Output is correct
6 Correct 33 ms 4444 KB Output is correct
7 Correct 64 ms 4956 KB Output is correct
8 Correct 63 ms 4952 KB Output is correct
9 Correct 37 ms 4444 KB Output is correct
10 Correct 39 ms 4500 KB Output is correct
11 Correct 75 ms 5212 KB Output is correct
12 Incorrect 77 ms 5212 KB Output isn't correct
13 Halted 0 ms 0 KB -