이 제출은 이전 버전의 oj.uz에서 채점하였습니다. 현재는 제출 당시와는 다른 서버에서 채점을 하기 때문에, 다시 제출하면 결과가 달라질 수도 있습니다.
/*
ID: varunra2
LANG: C++
TASK: boxes
*/
#include<bits/stdc++.h>
using namespace std;
#ifdef DEBUG
#include "lib/debug.h"
#define debug(...) cerr << "[" << #__VA_ARGS__ << "]:", debug_out(__VA_ARGS__)
#define debug_arr(...) \
cerr << "[" << #__VA_ARGS__ << "]:", debug_arr(__VA_ARGS__)
#pragma GCC diagnostic ignored "-Wsign-compare"
//#pragma GCC diagnostic ignored "-Wunused-parameter"
//#pragma GCC diagnostic ignored "-Wunused-variable"
#else
#define debug(...) 42
#endif
#define EPS 1e-9
#define IN(A, B, C) assert(B <= A && A <= C)
#define INF (int)1e9
#define MEM(a, b) memset(a, (b), sizeof(a))
#define MOD 1000000007
#define MP make_pair
#define PB push_back
#define all(cont) cont.begin(), cont.end()
#define rall(cont) cont.end(), cont.begin()
#define x first
#define y second
const double PI = acos(-1.0);
typedef long long ll;
typedef long double ld;
typedef pair<int, int> PII;
typedef map<int, int> MPII;
typedef multiset<int> MSETI;
typedef set<int> SETI;
typedef set<string> SETS;
typedef vector<int> VI;
typedef vector<PII> VII;
typedef vector<VI> VVI;
typedef vector<string> VS;
#define rep(i, a, b) for(int i = a; i < (b); ++i)
#define trav(a, x) for(auto& a : x)
#define sz(x) (int)(x).size()
typedef pair<int, int> pii;
typedef vector<int> vi;
#pragma GCC diagnostic ignored "-Wsign-compare"
// util functions
int n, k, l;
VI vals;
void calc(vector<ll>& dp) {
for(int i = 0; i < n; i++) {
dp[i] = 2 * vals[i];
if(i >= k) dp[i] += dp[i - k];
}
dp.insert(dp.begin(), 0);
}
ll delivery(int N, int K, int L, int *positions) {
n = N;
k = K;
l = L;
vals.resize(n);
for(int i = 0; i < n; i++) {
vals[i] = positions[i];
}
sort(all(vals));
vector<ll> dp1(n);
vector<ll> dp2(n);
calc(dp1);
for(int i = 0; i < n; i++) {
vals[i] = l - vals[i];
}
sort(all(vals));
calc(dp2);
ll ret = (ll)(1e16);
for(int i = 0; i <= n; i++) {
ret = min(ret, dp1[i] + dp2[n - i]);
}
return ret;
}
// int main() {
// #ifndef ONLINE_JUDGE
// freopen("boxes.in", "r", stdin);
// freopen("boxes.out", "w", stdout);
// #endif
// cin.sync_with_stdio(0); cin.tie(0);
// return 0;
// }
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