Submission #592731

#	Time	Username	Problem	Language	Result	Execution time	Memory
592731		Mahtimursu	Rice Hub (IOI11_ricehub)	C++17	68 / 100	1079 ms	1208 KiB

ricehub

#include "ricehub.h"
#include <bits/stdc++.h>

using namespace std;

typedef long long ll;

int besthub(int R, int L, int X[], long long B) {
    vector<ll> lft;
    vector<ll> rgt;

    int best = 0;

    int n = R;

    for (int i = n - 1; i > 0; --i) {
        rgt.push_back(X[i]);
    }

    for (int i = 0; i < n; ++i) {
        ll leftm = B;
        int cur = 0;

        int li = lft.size() - 1;
        int ri = 0;

        vector<ll> dst;

        for (int j = 0; j < n; ++j) dst.push_back(abs(X[i] - X[j]));

        sort(dst.begin(), dst.end());

        int idx = 0;
        while (idx < n && dst[idx] <= leftm) {
            leftm -= dst[idx++];
            cur++;
        }

        /*while (true) {
            ll leftd = li >= 0 ? abs(lft[li] - X[i]) : 1e18;
            ll rightd = ri < (int)rgt.size() ? abs(rgt[ri] - X[i]) : 1e18;

            if (min(leftd, rightd) > leftm) break;

            cur++;

            if (leftd < rightd) {
                leftm -= leftd;
                li--;
            } else {
                leftm -= rightd;
                ri++;
            }
        }*/

        best = max(best, cur);

        lft.push_back(X[i]);
        rgt.pop_back();
    }

    return best;
}

Compilation message (stderr)

ricehub.cpp: In function 'int besthub(int, int, int*, long long int)':
ricehub.cpp:24:13: warning: unused variable 'li' [-Wunused-variable]
   24 |         int li = lft.size() - 1;
      |             ^~
ricehub.cpp:25:13: warning: unused variable 'ri' [-Wunused-variable]
   25 |         int ri = 0;
      |             ^~

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