oj.uz

Submission #468855

# Submission time Handle Problem Language Result Execution time Memory
468855 2021-08-29T20:51:46 Z pere_gil Rice Hub (IOI11_ricehub) C++14
100 / 100
 26 ms 2508 KB 
#include "ricehub.h"
#include "bits/stdc++.h"
using namespace std;

typedef long long ll;

ll get_sum(int l, int r, vector<ll> &sum){
	return (l==0) ? sum[r] : sum[r]-sum[l-1];
}

bool check(int l, int r, ll b, int v[], vector<ll> &sum){
	int med=(l+r)/2;
	ll act=(long long) v[med]*(med-l+1LL)-get_sum(l,med,sum);
	act+=(long long) get_sum(med,r,sum)-v[med]*(r-med+1LL);
	return act<=b;
}

int besthub(int n, int dist, int v[], ll b){
	vector<ll> sum(n);
	sum[0]=v[0];
	for(int i=1;i<n;i++)
		sum[i]=sum[i-1]+v[i];

	int res=0;
	for(int i=0;i<n;i++){
		int l=i,r=n-1,act=0;
		while(l<=r){
			int med=(l+r)/2;
			if(check(i,med,b,v,sum)){
				act=med;
				l=med+1;
			}
			else r=med-1;
		}
		res=max(res,act-i+1);
	}
	return res;
}

Subtask #1
17.0 / 17.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 204 KB Output is correct
2 Correct 1 ms 204 KB Output is correct
3 Correct 0 ms 204 KB Output is correct
4 Correct 0 ms 204 KB Output is correct
5 Correct 0 ms 204 KB Output is correct

Subtask #2
25.0 / 25.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 204 KB Output is correct
2 Correct 0 ms 204 KB Output is correct
3 Correct 0 ms 204 KB Output is correct
4 Correct 0 ms 204 KB Output is correct
5 Correct 0 ms 204 KB Output is correct
6 Correct 0 ms 204 KB Output is correct
7 Correct 0 ms 204 KB Output is correct
8 Correct 0 ms 204 KB Output is correct
9 Correct 0 ms 204 KB Output is correct
10 Correct 0 ms 204 KB Output is correct
11 Correct 0 ms 204 KB Output is correct
12 Correct 0 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 0 ms 204 KB Output is correct
18 Correct 0 ms 204 KB Output is correct
19 Correct 0 ms 204 KB Output is correct
20 Correct 0 ms 204 KB Output is correct
21 Correct 0 ms 204 KB Output is correct
22 Correct 0 ms 204 KB Output is correct
23 Correct 0 ms 280 KB Output is correct
24 Correct 0 ms 204 KB Output is correct
25 Correct 0 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

Subtask #3
26.0 / 26.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 204 KB Output is correct
2 Correct 0 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 0 ms 204 KB Output is correct
10 Correct 0 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 0 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 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

Subtask #4
32.0 / 32.0

# Verdict Execution time Memory Grader output
1 Correct 4 ms 460 KB Output is correct
2 Correct 4 ms 460 KB Output is correct
3 Correct 26 ms 1484 KB Output is correct
4 Correct 20 ms 1416 KB Output is correct
5 Correct 9 ms 1228 KB Output is correct
6 Correct 9 ms 1228 KB Output is correct
7 Correct 19 ms 2204 KB Output is correct
8 Correct 19 ms 2256 KB Output is correct
9 Correct 10 ms 1100 KB Output is correct
10 Correct 10 ms 1100 KB Output is correct
11 Correct 22 ms 2488 KB Output is correct
12 Correct 21 ms 2508 KB Output is correct
13 Correct 10 ms 1228 KB Output is correct
14 Correct 10 ms 1228 KB Output is correct
15 Correct 20 ms 1868 KB Output is correct
16 Correct 15 ms 1928 KB Output is correct
17 Correct 21 ms 2236 KB Output is correct
18 Correct 22 ms 2200 KB Output is correct
19 Correct 20 ms 2360 KB Output is correct
20 Correct 20 ms 2416 KB Output is correct