이 제출은 이전 버전의 oj.uz에서 채점하였습니다. 현재는 제출 당시와는 다른 서버에서 채점을 하기 때문에, 다시 제출하면 결과가 달라질 수도 있습니다.
#include "boxes.h"
#include "bits/stdc++.h"
using namespace std;
typedef long long ll;
typedef pair<int, int> pii;
typedef pair<ll, ll> pll;
typedef vector<int> vii;
typedef vector<ll> vll;
typedef vector<pii> vpii;
typedef vector<pll> vpll;
typedef vector<vii> vvii;
typedef vector<vll> vvll;
typedef vector<vpii> vvpii;
typedef vector<vpll> vvpll;
#define ffor(i, a, b) for (ll i = (a); i < (ll)(b); i++)
#define fford(i, a, b) for (ll i = (a); i > (ll)(b); i--)
#define rep(i, n) ffor(i, 0, n)
#define forin(x, a) for (auto &x: a)
#define all(a) a.begin(), a.end()
long long delivery(int N, int K, int L, int p[]) {
vii ord(N);
rep(i, N) {
ord[i] = i;
}
ll res = N * L;
do {
ll curr = 0;
int pos = 0, rem = K;
rep(i, N) {
if (2 * abs(pos - p[ord[i]]) >= L) {
rem = K - 1;
curr += L - abs(pos - p[ord[i]]);
} else {
rem--;
curr += abs(pos - p[ord[i]]);
}
pos = p[ord[i]];
if (rem == 0) {
curr += min(pos, L - pos);
rem = K;
pos = 0;
}
}
res = min(res, curr + min(pos, L -pos));
} while (next_permutation(all(ord)));
return res;
}
컴파일 시 표준 에러 (stderr) 메시지
boxes.cpp: In function 'long long int delivery(int, int, int, int*)':
boxes.cpp:27:18: warning: conversion from 'll' {aka 'long long int'} to '__gnu_cxx::__alloc_traits<std::allocator<int>, int>::value_type' {aka 'int'} may change value [-Wconversion]
27 | ord[i] = i;
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