結果
問題 | No.545 ママの大事な二人の子供 |
ユーザー | haruki_K |
提出日時 | 2020-07-09 22:52:16 |
言語 | C++14 (gcc 13.3.0 + boost 1.87.0) |
結果 |
AC
|
実行時間 | 24 ms / 2,000 ms |
コード長 | 4,946 bytes |
コンパイル時間 | 1,837 ms |
コンパイル使用メモリ | 176,056 KB |
実行使用メモリ | 6,820 KB |
最終ジャッジ日時 | 2024-10-08 15:16:34 |
合計ジャッジ時間 | 3,038 ms |
ジャッジサーバーID (参考情報) |
judge3 / judge1 |
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ファイルパターン | 結果 |
---|---|
other | AC * 32 |
ソースコード
// >>> TEMPLATES#include <bits/stdc++.h>using namespace std;using ll = long long;using ld = long double;using i32 = int32_t;using i64 = int64_t;using u32 = uint32_t;using u64 = uint64_t;#define int ll#define double ld#define rep(i,n) for (int i = 0; i < (int)(n); i++)#define rep1(i,n) for (int i = 1; i <= (int)(n); i++)#define repR(i,n) for (int i = (int)(n)-1; i >= 0; i--)#define rep1R(i,n) for (int i = (int)(n); i >= 1; i--)#define loop(i,a,B) for (int i = a; i B; i++)#define loopR(i,a,B) for (int i = a; i B; i--)#define all(x) (x).begin(), (x).end()#define allR(x) (x).rbegin(), (x).rend()#define pb push_back#define eb emplace_back#define mp make_pair#define fst first#define snd secondtemplate <class Int> auto constexpr inf = numeric_limits<Int>::max()/2-1;auto constexpr INF32 = inf<int32_t>;auto constexpr INF64 = inf<int64_t>;auto constexpr INF = inf<int>;#ifdef LOCAL#include "debug.hpp"#else#define dump(...) (void)(0)#define say(x) (void)(0)#define debug if (0)#endiftemplate <class T> using pque_max = priority_queue<T>;template <class T> using pque_min = priority_queue<T, vector<T>, greater<T> >;template <class T, class = typename T::iterator, class = typename enable_if<!is_same<T, string>::value>::type>ostream& operator<<(ostream& os, T const& v) { bool f = true; for (auto const& x : v) os << (f ? "" : " ") << x, f = false; return os; }template <class T, class = typename T::iterator, class = typename enable_if<!is_same<T, string>::value>::type>istream& operator>>(istream& is, T &v) { for (auto& x : v) is >> x; return is; }template <class T, class S> ostream& operator<<(ostream& os, pair<T,S> const& p) { return os << "(" << p.first << ", " << p.second << ")"; }template <class T, class S> istream& operator>>(istream& is, pair<T,S>& p) { return is >> p.first >> p.second; }struct IOSetup { IOSetup() { cin.tie(nullptr); ios::sync_with_stdio(false); cout << fixed << setprecision(15); } } iosetup;template <class F> struct FixPoint : private F {constexpr FixPoint(F&& f) : F(forward<F>(f)) {}template <class... T> constexpr auto operator()(T&&... x) const { return F::operator()(*this, forward<T>(x)...); }};struct MakeFixPoint {template <class F> constexpr auto operator|(F&& f) const { return FixPoint<F>(forward<F>(f)); }};#define MFP MakeFixPoint()|#define def(name, ...) auto name = MFP [&](auto &&name, __VA_ARGS__)template <class T, size_t d> struct vec_impl {using type = vector<typename vec_impl<T,d-1>::type>;template <class... U> static type make_v(size_t n, U&&... x) { return type(n, vec_impl<T,d-1>::make_v(forward<U>(x)...)); }};template <class T> struct vec_impl<T,0> { using type = T; static type make_v(T const& x = {}) { return x; } };template <class T, size_t d = 1> using vec = typename vec_impl<T,d>::type;template <class T, size_t d = 1, class... Args> auto make_v(Args&&... args) { return vec_impl<T,d>::make_v(forward<Args>(args)...); }template <class T> void quit(T const& x) { cout << x << endl; exit(0); }template <class T, class U> constexpr bool chmin(T& x, U const& y) { if (x > y) { x = y; return true; } return false; }template <class T, class U> constexpr bool chmax(T& x, U const& y) { if (x < y) { x = y; return true; } return false; }template <class It> constexpr auto sumof(It b, It e) { return accumulate(b,e,typename iterator_traits<It>::value_type{}); }template <class T> int sz(T const& x) { return x.size(); }template <class C, class T> int lbd(C const& v, T const& x) {return lower_bound(v.begin(), v.end(), x)-v.begin();}template <class C, class T> int ubd(C const& v, T const& x) {return upper_bound(v.begin(), v.end(), x)-v.begin();}const int dx[] = { 1,0,-1,0 };const int dy[] = { 0,1,0,-1 };constexpr int popcnt(ll x) { return __builtin_popcountll(x); }template <class Int> struct Random {mt19937_64 mt{random_device{}()};//mt19937_64 mt{(unsigned)time(0)};Int a,b; // [a,b]Random(Int a, Int b) : a(a), b(b) {}Int operator()() { return uniform_int_distribution<Int>(a,b)(mt); }};template <class Int> Int rand(Int a, Int b) { // [a,b]static mt19937_64 mt{random_device{}()};return uniform_int_distribution<Int>(a,b)(mt);}// <<<int32_t main() {int n; cin >> n;vector<int> a(n),b(n);rep (i,n) cin >> a[i] >> b[i];int n1 = n/2, n2 = n-n1;vector<int> v;rep (s,1LL<<n1) {int diff = 0;rep (i,n1) {if (s>>i&1) diff += a[i];else diff -= b[i];}v.eb(diff);}v.eb(-INF);v.eb(+INF);sort(all(v));int mi = INF;rep (s,1LL<<n2) {int diff = 0;rep (i,n2) {int j = i+n1;if (s>>i&1) diff += a[j];else diff -= b[j];}int i = lbd(v,-diff);chmin(mi, abs(v[i]+diff));chmin(mi, abs(v[i-1]+diff));}cout << mi << endl;}