Submission #413788

#	Time	Username	Problem	Language	Result	Execution time	Memory
413788		ak2006	Boxes with souvenirs (IOI15_boxes)	C++14	Compilation error	0 ms	0 KiB

boxes

#include "boxes.h"
using namespace std;
#include <bits/stdc++.h>
#define ll long long
#define vl vector<ll>
long long delivery(int N, int K, int L, int pos[]) {
    vl pref(n),suf(n);
    for (int i = 0;i<n;i++)pref[i] = 1ll * 2 * 1ll * pos[i] + (i >= k ? pref[i - k] : 0);
    for (int i = n - 1;i>=0;i--)suf[i] = 1ll * 2 * 1ll * (1ll * L - 1ll * pos[i]) + (i + k < n ? suf[i + k] : 0);
    ll ans = min(pref[n - 1],suf[0]);
    for (int i = 0;i<n - 1;i++)ans = min(ans,pref[i] + suf[i + 1]);
    for (int i = 0;i<n;i++)
        ans = min(ans,(i >= 1 ? pref[i - 1] : 0) + (i + k < n ? suf[i + k] : 0) + L);
    return ans;
}

Compilation message (stderr)

boxes.cpp: In function 'long long int delivery(int, int, int, int*)':
boxes.cpp:7:13: error: 'n' was not declared in this scope
    7 |     vl pref(n),suf(n);
      |             ^
boxes.cpp:8:69: error: 'k' was not declared in this scope
    8 |     for (int i = 0;i<n;i++)pref[i] = 1ll * 2 * 1ll * pos[i] + (i >= k ? pref[i - k] : 0);
      |                                                                     ^
boxes.cpp:9:90: error: 'k' was not declared in this scope
    9 |     for (int i = n - 1;i>=0;i--)suf[i] = 1ll * 2 * 1ll * (1ll * L - 1ll * pos[i]) + (i + k < n ? suf[i + k] : 0);
      |                                                                                          ^
boxes.cpp:13:57: error: 'k' was not declared in this scope
   13 |         ans = min(ans,(i >= 1 ? pref[i - 1] : 0) + (i + k < n ? suf[i + k] : 0) + L);
      |                                                         ^
boxes.cpp:6:24: warning: unused parameter 'N' [-Wunused-parameter]
    6 | long long delivery(int N, int K, int L, int pos[]) {
      |                    ~~~~^
boxes.cpp:6:31: warning: unused parameter 'K' [-Wunused-parameter]
    6 | long long delivery(int N, int K, int L, int pos[]) {
      |                           ~~~~^