Submission #899035

#	Time	Username	Problem	Language	Result	Execution time	Memory
899035		oblantis	Boxes with souvenirs (IOI15_boxes)	C++17	100 / 100	482 ms	294024 KiB

boxes

#include "boxes.h"
#include <bits/stdc++.h>
//#include <ext/pb_ds/assoc_container.hpp>
//#include <ext/pb_ds/tree_policy.hpp>
#define all(v) v.begin(), v.end()
#define pb push_back
#define ss second
#define ff first
#define vt vector
using namespace std;
//using namespace __gnu_pbds;
typedef long long ll;
typedef vector<int> vi;
typedef vector<ll> vll;
typedef pair<int, int> pii;
typedef pair<ll, ll> pll;
typedef pair<double, int> pdi;
const ll inf = 1e18 + 10000;
const int mod = 1e9+7;
const int maxn = 1e5 + 12;
long long delivery(int n, int k, int l, int p[]) {
	ll ret = inf;
	ll s[n + 1], pr[n + 1];
	s[n] = pr[n] = 0;
	for(int i = n - 1; i >= 0; i--){
		int x = p[i], y = p[min(i + k - 1, n - 1)];
		s[i] = min({y * 2, (l - x) * 2, l});
		s[i] += s[min(n, i + k)];
	}
	ret = s[0];
	for(int i = 0; i < n; i++){
		int x = p[max(0, i - k + 1)], y = p[i];
		pr[i] = min({y * 2, (l - x) * 2, l});
		if(i >= k)pr[i] += pr[i - k];
		ret = min(ret, pr[i] + s[i + 1]);
	}
	return ret;
}
//int main(){
	//int n, k, l;
	//cin >> n >> k >> l;
	//int p[n];
	//for(int i = 0; i < n; i++){
		//cin >> p[i];
	//}
	//cout << delivery(n, k, l, p);
	//return 0;
//}

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