結果

問題 No.1495 パンの仕入れ
ユーザー りあん
提出日時 2021-04-30 23:20:21
言語 C#(csc)
(csc 3.9.0)
結果
WA  
実行時間 -
コード長 10,420 bytes
コンパイル時間 2,535 ms
コンパイル使用メモリ 116,480 KB
実行使用メモリ 36,864 KB
最終ジャッジ日時 2024-07-19 03:30:56
合計ジャッジ時間 17,677 ms
ジャッジサーバーID
(参考情報)
judge4 / judge2
このコードへのチャレンジ
(要ログイン)
ファイルパターン 結果
sample AC * 2
other AC * 33 WA * 13
権限があれば一括ダウンロードができます
コンパイルメッセージ
Microsoft (R) Visual C# Compiler version 3.9.0-6.21124.20 (db94f4cc)
Copyright (C) Microsoft Corporation. All rights reserved.

ソースコード

diff #
プレゼンテーションモードにする

using System;
using System.Collections.Generic;
using System.Linq;
using System.IO;
using System.Threading;
using System.Text;
using System.Text.RegularExpressions;
using System.Diagnostics;
using static util;
using P = pair<int, int>;
class Program {
static void Main(string[] args) {
var sw = new StreamWriter(Console.OpenStandardOutput()) { AutoFlush = false };
var solver = new Solver(sw);
// var t = new Thread(solver.solve, 1 << 28); // 256 MB
// t.Start();
// t.Join();
solver.solve();
sw.Flush();
}
}
class Solver {
StreamWriter sw;
Scan sc;
void Prt(string a) => sw.WriteLine(a);
void Prt<T>(IEnumerable<T> a) => Prt(string.Join(" ", a));
void Prt(params object[] a) => Prt(string.Join(" ", a));
public Solver(StreamWriter sw) {
this.sw = sw;
this.sc = new Scan();
}
public void solve() {
long calc_cost(long[] f, long x) {
return x * x * f[2] + x * f[1] + f[0];
}
int T = sc.Int;
for (int _ = 0; _ < T; _++)
{
int n, m, k;
sc.Multi(out n, out m, out k);
// var lis = new List<long>[n];
var f = new long[n][];
for (int i = 0; i < n; i++)
{
f[i] = new long[3];
}
for (int i = 0; i < m; i++)
{
long x, y;
sc.Multi(out x, out y);
--x;
f[x][0] += y * y;
f[x][1] -= 2 * y;
f[x][2]++;
}
bool emp = false;
var cnt = new long[n];
long cost = 0;
for (int i = 0; i < n; i++)
{
if (f[i][2] == 0) {
emp = true;
continue;
}
long b = -f[i][1] / 2;
long a = f[i][2];
long q = b % a;
long cc;
if (q * 2 < b) {
cc = b / a;
}
else {
cc = b / a + 1;
}
cnt[i] = cc;
cost += calc_cost(f[i], cc);
}
long sum = cnt.Sum();
if (sum == k || sum < k && emp) {
Prt(cost);
continue;
}
if (sum > k) {
long ng = -1, ok = M;
while (ng + 1 < ok) {
long mid = (ng + ok) / 2;
long cc = 0;
for (int i = 0; i < n; i++)
{
if (f[i][2] == 0) continue;
long x = Math.Max((-mid - f[i][1] - f[i][2] + 2 * f[i][2] - 1) / (2 * f[i][2]), 0);
// Assert(x <= cnt[i]);
cc += x;
}
if (cc <= k) {
ok = mid;
}
else {
ng = mid;
}
}
{
long cc = 0;
long ans = 0;
for (int i = 0; i < n; i++)
{
if (f[i][2] == 0) continue;
long x = Math.Max((-ok - f[i][1] - f[i][2] + 2 * f[i][2] - 1) / (2 * f[i][2]), 0);
// Assert(x <= cnt[i]);
ans += calc_cost(f[i], x);
cc += x;
}
// Assert(k >= cc);
ans -= Math.Abs(k - cc) * ok;
Prt(ans);
}
}
else {
long ng = -1, ok = M;
while (ng + 1 < ok) {
long mid = (ng + ok) / 2;
long cc = 0;
for (int i = 0; i < n; i++)
{
if (f[i][2] == 0) continue;
long x = Math.Max((mid - f[i][1] - f[i][2]) / (2 * f[i][2]), 0);
// Assert(x >= cnt[i]);
cc += x;
}
if (cc >= k) {
ok = mid;
}
else {
ng = mid;
}
}
{
long cc = 0;
long ans = 0;
for (int i = 0; i < n; i++)
{
if (f[i][2] == 0) continue;
long x = Math.Max((ok - f[i][1] - f[i][2]) / (2 * f[i][2]), 0);
// Assert(x >= cnt[i]);
ans += calc_cost(f[i], x);
cc += x;
}
// Assert(k <= cc);
ans -= Math.Abs(cc - k) * ok;
Prt(ans);
}
}
}
}
}
class pair<T, U> : IComparable<pair<T, U>> {
public T v1;
public U v2;
public pair() : this(default(T), default(U)) {}
public pair(T v1, U v2) { this.v1 = v1; this.v2 = v2; }
public int CompareTo(pair<T, U> a) {
int c = Comparer<T>.Default.Compare(v1, a.v1);
return c != 0 ? c : Comparer<U>.Default.Compare(v2, a.v2);
}
public override string ToString() => $"{v1} {v2}";
public void Deconstruct(out T a, out U b) { a = v1; b = v2; }
}
static class util {
public static readonly int M = 1000000007;
// public static readonly int M = 998244353;
public static readonly long LM = 1L << 60;
public static readonly double eps = 1e-11;
public static void DBG(string a) => Console.Error.WriteLine(a);
public static void DBG<T>(IEnumerable<T> a) => DBG(string.Join(" ", a));
public static void DBG(params object[] a) => DBG(string.Join(" ", a));
public static void Assert(params bool[] conds) {
if (conds.Any(x => !x)) throw new Exception();
}
public static pair<T, U> make_pair<T, U>(T v1, U v2) => new pair<T, U>(v1, v2);
public static int CompareList<T>(IList<T> a, IList<T> b) where T : IComparable<T> {
for (int i = 0; i < a.Count && i < b.Count; i++)
if (a[i].CompareTo(b[i]) != 0) return a[i].CompareTo(b[i]);
return a.Count.CompareTo(b.Count);
}
public static bool inside(int i, int j, int h, int w) => i >= 0 && i < h && j >= 0 && j < w;
public static readonly int[] dd = { 0, 1, 0, -1 };
// static readonly string dstring = "RDLU";
public static IEnumerable<P> adjacents(int i, int j) {
for (int k = 0; k < 4; k++) yield return new P(i + dd[k], j + dd[k ^ 1]);
}
public static IEnumerable<P> adjacents(int i, int j, int h, int w) {
for (int k = 0; k < 4; k++) if (inside(i + dd[k], j + dd[k ^ 1], h, w))
yield return new P(i + dd[k], j + dd[k ^ 1]);
}
public static IEnumerable<P> adjacents(this P p) => adjacents(p.v1, p.v2);
public static IEnumerable<P> adjacents(this P p, int h, int w) => adjacents(p.v1, p.v2, h, w);
public static IEnumerable<int> all_subset(this int p) {
for (int i = 0; ; i = i - p & p) {
yield return i;
if (i == p) break;
}
}
public static Dictionary<T, int> compress<T>(this IEnumerable<T> a)
=> a.Distinct().OrderBy(v => v).Select((v, i) => new { v, i }).ToDictionary(p => p.v, p => p.i);
public static Dictionary<T, int> compress<T>(params IEnumerable<T>[] a)
=> compress(a.SelectMany(x => x));
public static T[] inv<T>(this Dictionary<T, int> dic) {
var res = new T[dic.Count];
foreach (var item in dic) res[item.Value] = item.Key;
return res;
}
public static void swap<T>(ref T a, ref T b) where T : struct { var t = a; a = b; b = t; }
public static void swap<T>(this IList<T> a, int i, int j) where T : struct {
var t = a[i]; a[i] = a[j]; a[j] = t;
}
public static T[] copy<T>(this IList<T> a) {
var ret = new T[a.Count];
for (int i = 0; i < a.Count; i++) ret[i] = a[i];
return ret;
}
}
class Scan {
StreamReader sr;
public Scan() { sr = new StreamReader(Console.OpenStandardInput()); }
public Scan(string path) { sr = new StreamReader(path); }
public int Int => int.Parse(Str);
public long Long => long.Parse(Str);
public double Double => double.Parse(Str);
public string Str => ReadLine.Trim();
public string ReadLine => sr.ReadLine();
public pair<T, U> Pair<T, U>() {
T a; U b;
Multi(out a, out b);
return new pair<T, U>(a, b);
}
public P P => Pair<int, int>();
public int[] IntArr => StrArr.Select(int.Parse).ToArray();
public long[] LongArr => StrArr.Select(long.Parse).ToArray();
public double[] DoubleArr => StrArr.Select(double.Parse).ToArray();
public string[] StrArr => Str.Split(new[]{' '}, StringSplitOptions.RemoveEmptyEntries);
bool eq<T, U>() => typeof(T).Equals(typeof(U));
T ct<T, U>(U a) => (T)Convert.ChangeType(a, typeof(T));
T cv<T>(string s) => eq<T, int>() ? ct<T, int>(int.Parse(s))
: eq<T, long>() ? ct<T, long>(long.Parse(s))
: eq<T, double>() ? ct<T, double>(double.Parse(s))
: eq<T, char>() ? ct<T, char>(s[0])
: ct<T, string>(s);
public void Multi<T>(out T a) => a = cv<T>(Str);
public void Multi<T, U>(out T a, out U b) {
var ar = StrArr; a = cv<T>(ar[0]); b = cv<U>(ar[1]);
}
public void Multi<T, U, V>(out T a, out U b, out V c) {
var ar = StrArr; a = cv<T>(ar[0]); b = cv<U>(ar[1]); c = cv<V>(ar[2]);
}
public void Multi<T, U, V, W>(out T a, out U b, out V c, out W d) {
var ar = StrArr; a = cv<T>(ar[0]); b = cv<U>(ar[1]); c = cv<V>(ar[2]); d = cv<W>(ar[3]);
}
public void Multi<T, U, V, W, X>(out T a, out U b, out V c, out W d, out X e) {
var ar = StrArr;
a = cv<T>(ar[0]); b = cv<U>(ar[1]); c = cv<V>(ar[2]); d = cv<W>(ar[3]); e = cv<X>(ar[4]);
}
public void Multi<T, U, V, W, X, Y>(out T a, out U b, out V c, out W d, out X e, out Y f) {
var ar = StrArr;
a = cv<T>(ar[0]); b = cv<U>(ar[1]); c = cv<V>(ar[2]);
d = cv<W>(ar[3]); e = cv<X>(ar[4]); f = cv<Y>(ar[5]);
}
}
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