Submission #1137313

#	Time	Username	Problem	Language	Result	Execution time	Memory
1137313		viwlesxq	Boxes with souvenirs (IOI15_boxes)	C++20	Compilation error	0 ms	0 KiB

boxes

#include "boxes.h"
#include <bits/stdc++.h>

using namespace std;

typedef long long i64;

i64 delivery(int n, int k, int l, int p[]) {
    auto dist = [&](int x, int y) {
        if (x > y) swap(x, y);
        return min(y - x, x + n - y);
    };

    i64 res = 0;

    deque<int> q;
    for (int i = 0; i < n; ++i) {
        q.push_back(p[i]);
    }

    int pos = 0;

    while (!p.empty()) {
        if (dist(pos, p.front()) < dist(pos, p.back())) {
            res += dist(pos, p.front());
            pos = p.front();
            p.pop_front();
        } else {
            res += dist(pos, p.back());
            pos = p.back();
            p.pop_back();
        }
    }

    res += dist(pos, 0);

    return res;
}

Compilation message (stderr)

boxes.cpp: In function 'i64 delivery(int, int, int, int*)':
boxes.cpp:23:15: error: request for member 'empty' in 'p', which is of non-class type 'int*'
   23 |     while (!p.empty()) {
      |               ^~~~~
boxes.cpp:24:25: error: request for member 'front' in 'p', which is of non-class type 'int*'
   24 |         if (dist(pos, p.front()) < dist(pos, p.back())) {
      |                         ^~~~~
boxes.cpp:24:48: error: request for member 'back' in 'p', which is of non-class type 'int*'
   24 |         if (dist(pos, p.front()) < dist(pos, p.back())) {
      |                                                ^~~~
boxes.cpp:25:32: error: request for member 'front' in 'p', which is of non-class type 'int*'
   25 |             res += dist(pos, p.front());
      |                                ^~~~~
boxes.cpp:26:21: error: request for member 'front' in 'p', which is of non-class type 'int*'
   26 |             pos = p.front();
      |                     ^~~~~
boxes.cpp:27:15: error: request for member 'pop_front' in 'p', which is of non-class type 'int*'
   27 |             p.pop_front();
      |               ^~~~~~~~~
boxes.cpp:29:32: error: request for member 'back' in 'p', which is of non-class type 'int*'
   29 |             res += dist(pos, p.back());
      |                                ^~~~
boxes.cpp:30:21: error: request for member 'back' in 'p', which is of non-class type 'int*'
   30 |             pos = p.back();
      |                     ^~~~
boxes.cpp:31:15: error: request for member 'pop_back' in 'p', which is of non-class type 'int*'
   31 |             p.pop_back();
      |               ^~~~~~~~