Submission #519586

#	Time	Username	Problem	Language	Result	Execution time	Memory
519586		silverfish	Boxes with souvenirs (IOI15_boxes)	C++17	0 / 100	2 ms	216 KiB

boxes

#include <bits/stdc++.h>
#include "boxes.h"
using namespace std;
using ll = long long;
const int N = 1000007;

ll dp[N], p[N];

long long delivery(int n, int k, int L, int p[]) {
	ll l = L;
	fill(dp, dp+n, 1LL*n*l);

	dp[0] = 0;
	for(int i = 1; i <= n; ++i){
		ll mn = min(l, 2LL*p[i-1]);
		for(int j = i; j > max(i-k, 0); --j){
			ll cmn = min(mn, 2LL*(l-p[j-1]));
			dp[i] = min(dp[i], dp[j-1] + cmn);
		}
	}

    return dp[n];
}

Compilation message (stderr)

boxes.cpp: In function 'long long int delivery(int, int, int, int*)':
boxes.cpp:9:45: warning: declaration of 'p' shadows a global declaration [-Wshadow]
    9 | long long delivery(int n, int k, int L, int p[]) {
      |                                         ~~~~^~~
boxes.cpp:7:11: note: shadowed declaration is here
    7 | ll dp[N], p[N];
      |           ^

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