제출 #1186498

#	제출 시각	아이디	문제	언어	결과	실행 시간	메모리
1186498		Malix	Boxes with souvenirs (IOI15_boxes)	C++20	0 / 100	0 ms	328 KiB

boxes

#include "boxes.h"
#include <bits/stdc++.h>
using namespace std;
 
typedef long long ll;
typedef vector<int> vi;
typedef vector<vi> vii;
typedef pair<int,int> pi;
typedef vector<pi> pii;
typedef tuple<int,int,int> ti;
typedef vector<ll> li;
typedef vector<li> lii;
 
#define REP(i,a,b) for(int i=a;i<b;i++)
#define F first
#define S second
#define PB push_back
#define LSOne(s) ((s)&(-s))
 
ll INF=1000000000000000010;
int inf=1e9+10;
ll M=1e9+7;

long long delivery(int n, int m, int L, int p[]) {
    vi a;
    ll c=0;
    int pos=0;
    while(pos<=n){  
        int x=p[pos];
        a.PB(x);
        if(pos-m>=0&&p[pos]>L/2&&p[pos-m]<L/2){
            c+=L;
            pos+=m;
            continue;
        }
        x=min(x,L-x+m-1);
        c+=x*2LL;
        if(pos==n)break;
        pos+=m;
        if(pos>n)pos=n;
    }
    ll ans=c;
    int sz=a.size();
    REP(j,2,m+1){
        c=0;
        REP(i,0,sz){
            a[i]++;
            if(a[i]>n)a[i]=n;
            int x=a[i];
            if(i>0&&a[i]>L/2&&a[i-1]<L/2){
                c+=L;
                continue;
            }
            x=min(x,L-x+m-1);
            c+=x*2LL;
        }
        ans=min(ans,c);
    }
    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