Submission #1027092

#	Time	Username	Problem	Language	Result	Execution time	Memory
1027092		kkkkkkkk	Rice Hub (IOI11_ricehub)	C++14	68 / 100	1059 ms	4312 KiB

ricehub

#include <bits/stdc++.h>

using namespace std;

vector<int> v;
long long B;

bool proveri(int k) {
    for (int i=0;i<=v.size()-k;i++) {
        int hub_poz=v[(i+i+k)/2];
        long long zbir=0;
        for (int j=i;j<i+k;j++)
            zbir+=abs(hub_poz-v[j]);
        if (zbir<=B) return true;
    }
    return false;
}

int besthub(int R, int L, int a[], long long b) {
    B=b;
    for (int i=0;i<R;i++)
        v.push_back(a[i]);
    int l=1, r=R+1;
    while (l+1<r) {
        int mid=(l+r)/2;
        if (proveri(mid)) l=mid;
        else r=mid;
    }
    return l;
}

Compilation message (stderr)

ricehub.cpp: In function 'bool proveri(int)':
ricehub.cpp:9:19: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
    9 |     for (int i=0;i<=v.size()-k;i++) {
      |                  ~^~~~~~~~~~~~

• Subtask 1: 17 / 17
• Subtask 2: 25 / 25
• Subtask 3: 26 / 26
• Subtask 4: 0 / 32