# | Time | Username | Problem | Language | Result | Execution time | Memory |
---|---|---|---|---|---|---|---|
602003 | Soul234 | Boxes with souvenirs (IOI15_boxes) | C++14 | 0 ms | 0 KiB |
This submission is migrated from previous version of oj.uz, which used different machine for grading. This submission may have different result if resubmitted.
#include "boxes.h"
#include<bits/stdc++.h>
using namespace std;
void DBG() { cerr << "]\n"; }
template<class H, class... T> void DBG(H h, T... t) {
cerr << h; if(sizeof...(t)) cerr << ", ";
DBG(t...);
}
#ifdef LOCAL
#define dbg(...) cerr << "[" << #__VA_ARGS__ << "]: [", DBG(__VA_ARGS__)
#else
#define dbg(...) 0
#endif // LOCAL
#define FOR(i,a,b) for(int i = (a) ; i<(b) ; i++)
#define F0R(i,a) FOR(i,0,a)
#define ROF(i,a,b) for(int i = (b)-1 ; i>=(a) ; i--)
#define R0F(i,a) ROF(i,0,a)
#define each(e,a) for(auto &e : (a))
#define sz(v) (int)(v).size()
#define all(v) (v).begin(),(v).end()
#define rall(v) (v).rbegin(),(v).rend()
#define pb push_back
#define tcT template<class T
#define nl "\n"
using ll = long long;
using vi = vector<int>;
using pi = pair<int,int>;
using str = string;
tcT> using V = vector<T>;
tcT> using pqg = priority_queue<T,vector<T>,greater<T>>;
void setIO(string NAME = "") {
cin.tie(0)->sync_with_stdio(0);
if(sz(NAME)) {
freopen((NAME + ".inp").c_str(),"r",stdin);
freopen((NAME + ".out").c_str(),"w",stdout);
}
}
tcT> bool ckmin(T&a, const T&b) {
return b < a ? a=b,1 : 0; }
tcT> bool ckmax(T&a, const T&b) {
return b > a ? a=b,1 : 0; }
const int MOD = 1e9 + 7;
const ll INF = 1e18;
const int MX = 1e7+5;
//int N, K, L, p[MX];
ll dp[MX], lef[MX], rig[MX];
void delivery(int N, int K, int L, int p[]) {
cin>>N>>K>>L;
F0R(i,N) cin>>p[i];
F0R(i,N)
lef[i] = (dp[i%K] += 2*p[i]);
F0R(i,K) dp[i] = 0;
R0F(i,N) {
rig[i] = (dp[i%K] += 2*(L-p[i]));
}
ll ans = INF;
F0R(i,N) {
ckmin(ans, (i ? lef[i-1] : 0) + rig[i]);
}
F0R(i,N) {
ckmin(ans, (i ? lef[i-1] : 0) + rig[i+K] + L);
}
cout << ans << nl;
}