Submission #69546

#	Time	Username	Problem	Language	Result	Execution time	Memory
69546		yusufake	Boxes with souvenirs (IOI15_boxes)	C++98	0 / 100	2 ms	376 KiB

boxes

#include<bits/stdc++.h>
using namespace std;
#include "boxes.h"

#define lint long long
#define mx 10000007
#define mp make_pair
#define st first
#define nd second
pair<lint,int> Q[mx],QQ[mx];
lint i,dp,t,l,r,ll,rr;
lint delivery(int n, int k, int L, int *p){
    Q[r++] = mp(0,-1);
    QQ[rr++] = mp(L+L,-1);
    for(i=0;i<n;i++){
        if(Q[l].nd == i-k-1) l++;
        if(QQ[ll].nd == i-k-1) ll++;
        dp = Q[l].st + min(p[i]*2 , L);
        dp = min(dp , QQ[ll].st);
        for(; Q[r-1].st > dp ;) r--;
        t = dp + min(L , 2*(L-p[i+1]));
        for(; QQ[rr-1].st > t ;) rr--;
        Q[r++] = mp(dp,i);
        QQ[rr++] = mp(t,i);
    }
    return dp;
}

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