Submission #1100036

#	Time	Username	Problem	Language	Result	Execution time	Memory
1100036		MrPavlito	Boxes with souvenirs (IOI15_boxes)	C++17	100 / 100	437 ms	294012 KiB

boxes

#include "boxes.h"
#include <bits/stdc++.h>
#define pb push_back
#define mp make_pair
#define all(x) (x).begin(),(x).end()
#define fi first
#define sc second
//#define endl "\n"
#define pii pair<int,int>

using namespace std;

const int MAXN = 1e7+5;
const int mod7 = 1e9+7;
const long long inf = 1e18;
long long clockwise[MAXN];
long long cclockwise[MAXN];

long long delivery(int N, int K, int L, int p[]) {
    for(int i=0; i<N; i++)clockwise[i] = min(p[i]*2, L), cclockwise[i] = min((L-p[i]) * 2, L);
    //for(int i=0; i<N; i++)cout << clockwise[i] << " ";cout << endl;
    //for(int i=0; i<N; i++)cout << cclockwise[i] << " ";cout << endl;
    for(int i=K; i<N; i++)clockwise[i] += clockwise[i-K];
    for(int i=N-K-1; i>=0; i--)cclockwise[i] += cclockwise[i+K];
    //for(int i=0; i<N; i++)cout << clockwise[i] << " ";cout << endl;
    //for(int i=0; i<N; i++)cout << cclockwise[i] << " ";cout << endl;
    long long rez = min(clockwise[N-1], cclockwise[0]);
    for(int i=0; i<N-1; i++)rez = min(rez, clockwise[i] + cclockwise[i+1]);
    return rez;


}

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