Submission #1285328

#	Time	Username	Problem	Language	Result	Execution time	Memory
1285328		atillama	Rice Hub (IOI11_ricehub)	C++20	0 / 100	1 ms	568 KiB

ricehub

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

using namespace std;

#define pii pair<int, int>
#define pb push_back
#define F first
#define S second
#define ins insert
#define rep(i, a, b) for(int i = a; i <= b; i++)
#define fastio ios_base::sync_with_stdio(0); cin.tie(0); cout.tie(0)
#define int long long

int32_t besthub(int32_t cnt, int32_t mx, int32_t X[], int b){
    vector<int> x;
    rep(i, 0, cnt - 1) x.pb(X[i]);
    int l = 1, r = mx - 1;
    int best = 0;
    while(l <= r){
        int mid = (l + r) / 2;
        int cur1cost = 0;
        int cur1cnt = 0;
        sort(x.begin(), x.end(), [mid](int a, int b){
            return abs(a - mid) < abs(b - mid);
        });
        rep(i, 0, cnt - 1){
            if(cur1cost + abs(x[i] - mid) <= b){
                cur1cost += abs(x[i] - mid);
                cur1cnt++;
            }
        }
        int cur2cost = 0;
        int cur2cnt = 0;
        sort(x.begin(), x.end(), [mid](int a, int b){
            return abs(a - (mid + 1)) < abs(b - (mid + 1));
        });
        rep(i, 0, cnt - 1){
            if(cur2cost + abs(x[i] - (mid + 1)) <= b){
                cur2cost += abs(x[i] - (mid + 1));
                cur2cnt++;
            }
        }
        best = max(best, max(cur1cnt, cur2cnt));
        if(cur1cnt <= cur2cnt){
            l = mid + 1;
        }else{
            best = cur1cnt;
            r = mid - 1;
        }
    }
    return best;
}

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