結果

問題 No.1008 Bench Craftsman
ユーザー FF256grhyFF256grhy
提出日時 2020-03-07 15:06:13
言語 C++14
(gcc 12.3.0 + boost 1.83.0)
結果
CE  
(最新)
AC  
(最初)
実行時間 -
コード長 3,075 bytes
コンパイル時間 1,566 ms
コンパイル使用メモリ 163,980 KB
最終ジャッジ日時 2024-11-14 22:12:19
合計ジャッジ時間 2,304 ms
ジャッジサーバーID
（参考情報） 		judge5 / judge2
このコードへのチャレンジ
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コンパイルエラー時のメッセージ・ソースコードは、提出者また管理者しか表示できないようにしております。（リジャッジ後のコンパイルエラーは公開されます）
ただし、clay言語の場合は開発者のデバッグのため、公開されます。

コンパイルメッセージ
main.cpp: In instantiation of 'std::istream& operator>>(std::istream&, std::vector<_Tp>&) [with T = std::pair<long long int, long long int>; std::istream = std::basic_istream<char>]':
main.cpp:54:14:   required from here
main.cpp:41:86: error: no match for 'operator>>' (operand types are 'std::istream' {aka 'std::basic_istream<char>'} and 'std::pair<long long int, long long int>')
   41 | template<typename T> istream & operator>>(istream & s, vector<T> & v) { RF(e, v) { s >> e; } return s; }
      |                                                                                    ~~^~~~
In file included from /home/linuxbrew/.linuxbrew/Cellar/gcc@12/12.3.0/include/c++/12/sstream:38,
                 from /home/linuxbrew/.linuxbrew/Cellar/gcc@12/12.3.0/include/c++/12/complex:45,
                 from /home/linuxbrew/.linuxbrew/Cellar/gcc@12/12.3.0/include/c++/12/ccomplex:39,
                 from /home/linuxbrew/.linuxbrew/Cellar/gcc@12/12.3.0/include/c++/12/x86_64-pc-linux-gnu/bits/stdc++.h:54,
                 from main.cpp:1:
/home/linuxbrew/.linuxbrew/Cellar/gcc@12/12.3.0/include/c++/12/istream:120:7: note: candidate: 'std::basic_istream<_CharT, _Traits>::__istream_type& std::basic_istream<_CharT, _Traits>::operator>>(__istream_type& (*)(__istream_type&)) [with _CharT = char; _Traits = std::char_traits<char>; __istream_type = std::basic_istream<char>]'
  120 |       operator>>(__istream_type& (*__pf)(__istream_type&))
      |       ^~~~~~~~
/home/linuxbrew/.linuxbrew/Cellar/gcc@12/12.3.0/include/c++/12/istream:120:36: note:   no known conversion for argument 1 from 'std::pair<long long int, long long int>' to 'std::basic_istream<char>::__istream_type& (*)(std::basic_istream<char>::__istream_type&)' {aka 'std::basic_istream<char>& (*)(std::basic_istream<char>&)'}
  120 |       operator>>(__istream_type& (*__pf)(__istream_type&))
      |                  ~~~~~~~~~~~~~~~~~~^~~~~~~~~~~~~~~~~~~~~~
/home/linuxbrew/.linuxbrew/Cellar/gcc@12/12.3.0/include/c++/12/istream:

ソースコード

diff # 

#include <bits/stdc++.h>
using namespace std;
using LL = long long int;
#define incID(i, l, r) for(int i = (l)    ; i <  (r); ++i)
#define decID(i, l, r) for(int i = (r) - 1; i >= (l); --i)
#define incII(i, l, r) for(int i = (l)    ; i <= (r); ++i)
#define decII(i, l, r) for(int i = (r)    ; i >= (l); --i)
#define inc(i, n)  incID(i, 0, n)
#define dec(i, n)  decID(i, 0, n)
#define inc1(i, n) incII(i, 1, n)
#define dec1(i, n) decII(i, 1, n)
#define inID(v, l, r) ((l) <= (v) && (v) <  (r))
#define inII(v, l, r) ((l) <= (v) && (v) <= (r))
#define PB push_back
#define EB emplace_back
#define MP make_pair
#define FI first
#define SE second
#define FR front()
#define BA back()
#define ALL(v) v.begin(), v.end()
#define RALL(v) v.rbegin(), v.rend()
auto setmin   = [](auto & a, auto b) { return (b <  a ? a = b, true : false); };
auto setmax   = [](auto & a, auto b) { return (b >  a ? a = b, true : false); };
auto setmineq = [](auto & a, auto b) { return (b <= a ? a = b, true : false); };
auto setmaxeq = [](auto & a, auto b) { return (b >= a ? a = b, true : false); };
#define SI(v) static_cast<int>(v.size())
#define RF(e, v) for(auto & e: v)
#define until(e) while(! (e))
#define if_not(e) if(! (e))
#define ef else if
#define UR assert(false)
#define IN(T, ...) T __VA_ARGS__; IN_(__VA_ARGS__);
void IN_() { };
template<typename T, typename ... U> void IN_(T & a, U & ... b) { cin >> a; IN_(b ...); };
template<typename T> void OUT(T && a) { cout << a << endl; }
template<typename T, typename ... U> void OUT(T && a, U && ... b) { cout << a << " "; OUT(b ...); }

// ---- ----

template<typename T> istream & operator>>(istream & s, vector<T> & v) { RF(e, v) { s >> e; } return s; }
template<typename T> ostream & operator<<(ostream & s, vector<T> const & v) {
	inc(i, SI(v)) { s << (i == 0 ? "" : " ") << v[i]; }
	return s;
}

template<typename T, typename U> istream & operator>>(istream & s, pair<T, U> & p) { return (s >> p.FI >> p.SE); }
template<typename T, typename U> ostream & operator<<(ostream & s, pair<T, U> const & p) { return (s << p.FI << " " << p.SE); }

int main() {
	IN(int, n, m);
	vector<LL> a(n);
	vector<pair<LL, LL>> v(m);
	cin >> a >> v;
	
	auto f = [&](LL c) -> bool {
		vector<LL> s(n + 2);
		RF(e, v) {
			LL x = e.FI;
			LL w = e.SE;
			LL v1 = w - c * (x - 1);
			LL vn = w - c * (n - x);
			LL L = (v1 >= 0 ? 1 : x - (w / c));
			LL R = (vn >= 0 ? n : x + (w / c));
			assert(inII(L, 1, n));
			assert(inII(R, 1, n));
			LL vl = w - c * (x - L);
			LL vr = w - c * (R - x);
			assert(vl >= 0 && vr >= 0);
			s[L + 0] += vl;
			s[L + 1] -= vl;
			s[L + 1] += c;
			s[x + 1] -= 2 * c;
			s[R + 1] += c;
			s[R + 1] -= vr;
			s[R + 2] += vr;
		}
		inc1(i, n + 1) { s[i + 1] += s[i]; }
		inc1(i, n + 1) { s[i + 1] += s[i]; }
		assert(s.FR == 0 && s.BA == 0);
		inc(i, n) { if(a[i] <= s[i + 1]) { return false; } }
		return true;
	};
	
	LL INF = 0;
	RF(e, v) { setmax(INF, e.SE); }
	INF++;
	
	LL ng = -1, ok = INF;
	until(abs(ok - ng) == 1) {
		LL mid = (ok + ng) / 2;
		(f(mid) ? ok : ng) = mid;
	}
	if(ok == INF) { ok = -1; }
	OUT(ok);
}
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