Submission #839668

#	Time	Username	Problem	Language	Result	Execution time	Memory
839668		PagodePaiva	Boxes with souvenirs (IOI15_boxes)	C++17	Compilation error	0 ms	0 KiB

boxes

#include<bits/stdc++.h>
#include "boxes.h"
#define LL long long
#define N 10000010

using namespace std;

LL pref[N], suf[N];

LL delivery(int n, int k, int L, int p[]){
    pref[0] = 2*p[0];

    for(int i = 1;i < n;i++){
        pref[i] = 2*p[i] + (i >= k ? pref[i-k]:0); 
    }

    for(int i = n-1;i >= 0;i--){
        suf[i] = 2*p[i] + (n-1 - i >= k ? suf[i+k]:0);
    }

    LL res = 1e16;

    for(int i = 0;i < n;i++){
        res = min(res, pref[i] + suf[i+1]);
    }

    res = min(res, suf[0]);

    for(int i = 0;i < n;i++){
        res = min(res, (i > 0 ? pref[i-1] : 0) + (i+k < n+5 ? suf[i+K] : 0) + L);
    }

    return res;
}

Compilation message (stderr)

boxes.cpp: In function 'long long int delivery(int, int, int, int*)':
boxes.cpp:30:69: error: 'K' was not declared in this scope
   30 |         res = min(res, (i > 0 ? pref[i-1] : 0) + (i+k < n+5 ? suf[i+K] : 0) + L);
      |                                                                     ^