Submission #621198

#	Time	Username	Problem	Language	Result	Execution time	Memory
621198		M_W	Boxes with souvenirs (IOI15_boxes)	C++17	0 / 100	1 ms	304 KiB

boxes

#include <bits/stdc++.h>
#include "boxes.h"
using namespace std;

long long delivery(int N, int K, int L, int p[]) {
	sort(p, p + N);
	int cut = 0, mid = (L + 1) >> 1;
	for(; cut < N && p[cut] <= mid; cut++);
	
	long long ans = 0;
	int cnt = 0, last = p[cut - 1];
	for(int i = cut - 1; i >= 0; i--){
		if(cnt > K){
			cnt = 1; ans += (last * 1ll) << 1;
			last = p[i];
		}
		cnt++;
	}
	ans += (last * 1ll) << 1;
	
	cnt = 0; last = p[cut];
	for(int j = cut; j < N; j++){
		if(cnt > K){
			cnt = 1; ans += ((L - last) * 1ll) << 1;
			last = p[j];
		}
		cnt++;
	}
	ans += ((L - last) * 1ll) << 1;
	return ans;
}

• Subtask 1: 0 / 10
• Subtask 2: 0 / 10
• Subtask 3: 0 / 15
• Subtask 4: 0 / 15
• Subtask 5: 0 / 20
• Subtask 6: 0 / 30