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Submission #50930

# Submission time Handle Problem Language Result Execution time Memory
50930 2018-06-15T05:50:41 Z win11905 Rice Hub (IOI11_ricehub) C++11
0 / 100
 12 ms 628 KB 
#include <bits/stdc++.h>
#include "ricehub.h"
#define long long long
using namespace std;

const int N = 1e5+5;

long pref[N], A[N];

int besthub(int R, int L, int X[], long B) {
	for(int i = 1; i <= R; ++i) pref[i] = pref[i-1] + X[i-1];
	int l = 1, r = R;
	auto calc = [&](int m, int l, int r) {
		long lhs = ((m-l+1) * pref[m]) - (pref[m] - pref[l-1]);
		long rhs = (pref[r] - pref[m-1]) - ((r-m+1) * pref[m]);
		return lhs + rhs <= B;
	};
	while(l < r) {
		int m = (l + r + 1) >> 1;
		bool st = false;
		for(int l = 1, r = m; r <= R; l++, r++) {
			int z = (l + r) >> 1;
			st |= calc(z, l, r);
		}
		if(st) l = m;
		else r = m - 1;
	}
	return l;
}

Subtask #1
0 / 17.0

# Verdict Execution time Memory Grader output
1 Incorrect 2 ms 248 KB Output isn't correct
2 Halted 0 ms 0 KB -

Subtask #2
0 / 25.0

# Verdict Execution time Memory Grader output
1 Incorrect 2 ms 484 KB Output isn't correct
2 Halted 0 ms 0 KB -

Subtask #3
0 / 26.0

# Verdict Execution time Memory Grader output
1 Incorrect 2 ms 564 KB Output isn't correct
2 Halted 0 ms 0 KB -

Subtask #4
0 / 32.0

# Verdict Execution time Memory Grader output
1 Incorrect 12 ms 628 KB Output isn't correct
2 Halted 0 ms 0 KB -