oj.uz

Submission #108174

# Submission time Handle Problem Language Result Execution time Memory
108174 2019-04-27T20:31:26 Z SecretAgent007 Rice Hub (IOI11_ricehub) C++17
100 / 100
 39 ms 2560 KB 
#include <bits/stdc++.h>
#include "ricehub.h"
using namespace std;

const long long INF = 1e18;

vector< long long > pref;

long long calc(int left, int right, long long B, int X[]){
	
	long long l = left, r = right;
	
	while(l < r){
		long long mid = (l+r+1)/2;
		
		long long k = (left+mid)/2;
		
		long long cost = X[k-1]*(k-left+1)-(pref[k]-pref[left-1])+(pref[mid]-pref[k])-(mid-k)*X[k-1];
		
		if(cost > B){
			r = mid-1;
		}else{
			l = mid;
		}
	}
	
	return l-left+1;
}

int besthub(int R, int L, int X[], long long B){

	pref.resize(R+1);
	
	for(int i = 0; i < R; i++){
		pref[i+1] += pref[i];
		pref[i+1] += X[i];
	}
	
	long long ans = -INF;
	
	for(int i = 1; i <= R; i++){
		ans = max(calc(i,R,B,X), ans);
	}
	
	return ans;
}
/*
signed main(){
	ios::sync_with_stdio(false);
	cin.tie(0);
	
	int r, l, b;
	cin >> r >> l >> b;
	
	int x[r];
	
	for(int i = 0; i < r; i++) cin >> x[i];
	
	cout << besthub(r,l,x,b) << endl;
}
*/

Subtask #1
17.0 / 17.0

# Verdict Execution time Memory Grader output
1 Correct 3 ms 384 KB Output is correct
2 Correct 2 ms 384 KB Output is correct
3 Correct 3 ms 384 KB Output is correct
4 Correct 2 ms 384 KB Output is correct
5 Correct 2 ms 256 KB Output is correct

Subtask #2
25.0 / 25.0

# Verdict Execution time Memory Grader output
1 Correct 2 ms 256 KB Output is correct
2 Correct 2 ms 384 KB Output is correct
3 Correct 2 ms 384 KB Output is correct
4 Correct 2 ms 384 KB Output is correct
5 Correct 2 ms 256 KB Output is correct
6 Correct 2 ms 384 KB Output is correct
7 Correct 2 ms 384 KB Output is correct
8 Correct 2 ms 384 KB Output is correct
9 Correct 2 ms 256 KB Output is correct
10 Correct 2 ms 384 KB Output is correct
11 Correct 2 ms 384 KB Output is correct
12 Correct 2 ms 384 KB Output is correct
13 Correct 2 ms 384 KB Output is correct
14 Correct 3 ms 384 KB Output is correct
15 Correct 2 ms 256 KB Output is correct
16 Correct 2 ms 384 KB Output is correct
17 Correct 3 ms 384 KB Output is correct
18 Correct 3 ms 384 KB Output is correct
19 Correct 2 ms 256 KB Output is correct
20 Correct 2 ms 256 KB Output is correct
21 Correct 2 ms 384 KB Output is correct
22 Correct 2 ms 384 KB Output is correct
23 Correct 3 ms 384 KB Output is correct
24 Correct 2 ms 384 KB Output is correct
25 Correct 2 ms 384 KB Output is correct
26 Correct 2 ms 384 KB Output is correct
27 Correct 3 ms 384 KB Output is correct
28 Correct 2 ms 384 KB Output is correct

Subtask #3
26.0 / 26.0

# Verdict Execution time Memory Grader output
1 Correct 2 ms 384 KB Output is correct
2 Correct 2 ms 384 KB Output is correct
3 Correct 2 ms 384 KB Output is correct
4 Correct 3 ms 256 KB Output is correct
5 Correct 2 ms 384 KB Output is correct
6 Correct 2 ms 384 KB Output is correct
7 Correct 2 ms 384 KB Output is correct
8 Correct 2 ms 384 KB Output is correct
9 Correct 2 ms 384 KB Output is correct
10 Correct 2 ms 384 KB Output is correct
11 Correct 2 ms 384 KB Output is correct
12 Correct 2 ms 384 KB Output is correct
13 Correct 2 ms 384 KB Output is correct
14 Correct 3 ms 384 KB Output is correct
15 Correct 2 ms 384 KB Output is correct
16 Correct 2 ms 384 KB Output is correct
17 Correct 2 ms 384 KB Output is correct
18 Correct 3 ms 384 KB Output is correct
19 Correct 2 ms 384 KB Output is correct
20 Correct 2 ms 384 KB Output is correct
21 Correct 3 ms 384 KB Output is correct
22 Correct 3 ms 384 KB Output is correct
23 Correct 4 ms 384 KB Output is correct
24 Correct 4 ms 512 KB Output is correct
25 Correct 3 ms 412 KB Output is correct
26 Correct 3 ms 512 KB Output is correct
27 Correct 3 ms 384 KB Output is correct
28 Correct 3 ms 384 KB Output is correct

Subtask #4
32.0 / 32.0

# Verdict Execution time Memory Grader output
1 Correct 6 ms 640 KB Output is correct
2 Correct 6 ms 640 KB Output is correct
3 Correct 37 ms 1536 KB Output is correct
4 Correct 24 ms 1528 KB Output is correct
5 Correct 19 ms 1280 KB Output is correct
6 Correct 11 ms 1280 KB Output is correct
7 Correct 19 ms 2304 KB Output is correct
8 Correct 33 ms 2304 KB Output is correct
9 Correct 11 ms 1152 KB Output is correct
10 Correct 18 ms 1152 KB Output is correct
11 Correct 39 ms 2560 KB Output is correct
12 Correct 31 ms 2552 KB Output is correct
13 Correct 12 ms 1280 KB Output is correct
14 Correct 11 ms 1408 KB Output is correct
15 Correct 18 ms 2048 KB Output is correct
16 Correct 19 ms 2124 KB Output is correct
17 Correct 21 ms 2432 KB Output is correct
18 Correct 22 ms 2432 KB Output is correct
19 Correct 23 ms 2560 KB Output is correct
20 Correct 23 ms 2432 KB Output is correct