Submission #31210

#	Time	Username	Problem	Language	Result	Execution time	Memory
31210		top34051	Boxes with souvenirs (IOI15_boxes)	C++14	Compilation error	0 ms	0 KiB

boxes

#include "boxes.h"
#include<bits/stdc++.h>
using namespace std;
#define maxn 10000005

long long L[maxn], R[maxn];

long long delivery(int N, int K, int len, int p[]) {
    int i;
    long long ans;
    for(i=0;i<N;i++)  L[i] = ((i-K>=0) ? L[i-K] : 0LL) + p[i]*2;
    for(i=N-1;i>=0;i--) R[i] = ((i+K<N) ? R[i+K] : 0LL) + (len-p[i])*2;
    ans = L[N-1];
    for(i=0;i<N;i++) ans = min(ans,L[i]+R[i+1]);
    for(i=-1;i<N;i++) ans = min(ans,L[i]+R[i+k+1]+len);
    return ans;
}

Compilation message (stderr)

boxes.cpp: In function 'long long int delivery(int, int, int, int*)':
boxes.cpp:15:46: error: 'k' was not declared in this scope
     for(i=-1;i<N;i++) ans = min(ans,L[i]+R[i+k+1]+len);
                                              ^