結果
| 問題 |
No.838 Noelちゃんと星々3
|
| コンテスト | |
| ユーザー |
|
| 提出日時 | 2019-06-14 22:22:15 |
| 言語 | C++17 (gcc 13.3.0 + boost 1.87.0) |
| 結果 |
AC
|
| 実行時間 | 100 ms / 2,000 ms |
| コード長 | 3,859 bytes |
| コンパイル時間 | 2,408 ms |
| コンパイル使用メモリ | 209,980 KB |
| 最終ジャッジ日時 | 2025-01-07 04:33:45 |
|
ジャッジサーバーID (参考情報) |
judge5 / judge1 |
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| ファイルパターン | 結果 |
|---|---|
| sample | AC * 3 |
| other | AC * 26 |
ソースコード
#include <bits/stdc++.h>
using namespace std;
using vi = vector<int>; using vvi = vector<vi>; using vvvi = vector<vvi>;
using ll = long long int;
using vll = vector<ll>; using vvll = vector<vll>; using vvvll = vector<vvll>;
using vd = vector<double>; using vvd = vector<vd>; using vvvd = vector<vvd>;
using P = pair<int, int>;
using Pll = pair<ll, ll>;
using cdouble = complex<double>;
const double eps = 1e-7;
#define Loop(i, n) for(int i = 0; i < int(n); i++)
#define Loopll(i, n) for(ll i = 0; i < ll(n); i++)
#define Loop1(i, n) for(int i = 1; i <= int(n); i++)
#define Loopll1(i, n) for(ll i = 1; i <= ll(n); i++)
#define Loopr(i, n) for(int i = int(n) - 1; i >= 0; i--)
#define Looprll(i, n) for(ll i = ll(n) - 1; i >= 0; i--)
#define Loopr1(i, n) for(int i = int(n); i >= 1; i--)
#define Looprll1(i, n) for(ll i = ll(n); i >= 1; i--)
#define Foreach(buf, container) for(auto buf : container)
#define Loopdiag(i, j, h, w, sum) for(int i = ((sum) >= (h) ? (h) - 1 : (sum)), j = (sum) - i; i >= 0 && j < (w); i--, j++)
#define Loopdiagr(i, j, h, w, sum) for(int j = ((sum) >= (w) ? (w) - 1 : (sum)), i = (sum) - j; j >= 0 && i < (h); j--, i++)
#define Loopdiagsym(i, j, h, w, gap) for (int i = ((gap) >= 0 ? (gap) : 0), j = i - (gap); i < (h) && j < (w); i++, j++)
#define Loopdiagsymr(i, j, h, w, gap) for (int i = ((gap) > (h) - (w) - 1 ? (h) - 1 : (w) - 1 + (gap)), j = i - (gap); i >= 0 && j >= 0; i--, j--)
#define Loopitr(itr, container) for(auto itr = container.begin(); itr != container.end(); itr++)
#define printv(vector) Loop(ex_i, vector.size()) { cout << vector[ex_i] << " "; } cout << endl;
#define printmx(matrix) Loop(ex_i, matrix.size()) { Loop(ex_j, matrix[ex_i].size()) { cout << matrix[ex_i][ex_j] << " "; } cout << endl; }
#define quickio() ios::sync_with_stdio(false); cin.tie(0);
#define bitmanip(m,val) static_cast<bitset<(int)m>>(val)
#define Comp(type_t) bool operator<(const type_t &another) const
#define fst first
#define snd second
#define INF INFINITY
bool feq(double x, double y) { return abs(x - y) <= eps; }
bool inrange(ll x, ll t) { return x >= 0 && x < t; }
bool inrange(vll xs, ll t) { Foreach(x, xs) if (!(x >= 0 && x < t)) return false; return true; }
int ceillog2(ll x) { int ret = 0; x--; while (x > 0) { ret++; x >>= 1; } return ret; }
ll rndf(double x) { return (ll)(x + (x >= 0 ? 0.5 : -0.5)); }
ll floorsqrt(ll x) { ll m = (ll)sqrt((double)x); return m + (m * m <= x ? 0 : -1); }
ll ceilsqrt(ll x) { ll m = (ll)sqrt((double)x); return m + (x <= m * m ? 0 : 1); }
ll rnddiv(ll a, ll b) { return (a / b + (a % b * 2 >= b ? 1 : 0)); }
ll ceildiv(ll a, ll b) { return (a / b + (a % b == 0 ? 0 : 1)); }
ll gcd(ll m, ll n) { if (n == 0) return m; else return gcd(n, m % n); }
ll lcm(ll m, ll n) { return m * n / gcd(m, n); }
/*******************************************************/
int main() {
int n; cin >> n;
deque<ll> a(n); Loop(i, n) cin >> a[i];
sort(a.begin(), a.end());
ll pre = 0;
if (a[0] != a[1]) {
pre += a[1] - a[0];
a[0] = a[1];
}
if (a[n - 2] != a[n - 1]) {
pre += a[n - 1] - a[n - 2];
a[n - 1] = a[n - 2];
}
vvll dp(n + 1, vll(2, LLONG_MAX));
int begin_i = upper_bound(a.begin(), a.end(), a[0]) - a.begin();
dp[begin_i][1] = pre;
for (int i = begin_i; i < n; ++i) {
if (a[i] == a[i - 1]) continue;
int j = upper_bound(a.begin(), a.end(), a[i]) - a.begin();
if (j - i == 1) {
int j_next = upper_bound(a.begin(), a.end(), a[i + 1]) - a.begin();
if (dp[i][0] < LLONG_MAX) {
dp[j_next][1] = min(dp[j_next][1], dp[i][0] + a[i + 1] - a[i]);
}
if (dp[i][1] < LLONG_MAX) {
dp[j_next][1] = min(dp[j_next][1], dp[i][1] + a[i + 1] - a[i]);
dp[j][0] = min(dp[j][0], dp[i][1] + a[i] - a[i - 1]);
}
}
else {
dp[j][1] = min(dp[j][1], dp[i][0]);
dp[j][1] = min(dp[j][1], dp[i][1]);
}
}
ll ans = min(dp[n][0], dp[n][1]);
cout << ans << endl;
}