結果
問題 | No.1008 Bench Craftsman |
ユーザー | haruki_K |
提出日時 | 2020-03-06 23:02:10 |
言語 | C++14 (gcc 12.3.0 + boost 1.83.0) |
結果 |
AC
|
実行時間 | 101 ms / 2,000 ms |
コード長 | 4,955 bytes |
コンパイル時間 | 1,627 ms |
コンパイル使用メモリ | 173,280 KB |
実行使用メモリ | 7,188 KB |
最終ジャッジ日時 | 2024-10-14 09:32:43 |
合計ジャッジ時間 | 4,557 ms |
ジャッジサーバーID (参考情報) |
judge2 / judge3 |
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テストケース
テストケース表示入力 | 結果 | 実行時間 実行使用メモリ |
---|---|---|
testcase_00 | AC | 2 ms
6,820 KB |
testcase_01 | AC | 2 ms
6,820 KB |
testcase_02 | AC | 2 ms
6,816 KB |
testcase_03 | AC | 2 ms
6,816 KB |
testcase_04 | AC | 2 ms
6,816 KB |
testcase_05 | AC | 101 ms
7,184 KB |
testcase_06 | AC | 41 ms
6,820 KB |
testcase_07 | AC | 2 ms
6,820 KB |
testcase_08 | AC | 6 ms
6,824 KB |
testcase_09 | AC | 47 ms
6,816 KB |
testcase_10 | AC | 95 ms
7,184 KB |
testcase_11 | AC | 95 ms
7,052 KB |
testcase_12 | AC | 96 ms
7,056 KB |
testcase_13 | AC | 94 ms
7,184 KB |
testcase_14 | AC | 98 ms
7,180 KB |
testcase_15 | AC | 93 ms
7,060 KB |
testcase_16 | AC | 94 ms
7,184 KB |
testcase_17 | AC | 93 ms
7,056 KB |
testcase_18 | AC | 96 ms
7,188 KB |
testcase_19 | AC | 96 ms
7,056 KB |
testcase_20 | AC | 36 ms
6,816 KB |
testcase_21 | AC | 35 ms
6,816 KB |
testcase_22 | AC | 50 ms
6,816 KB |
testcase_23 | AC | 71 ms
6,816 KB |
testcase_24 | AC | 64 ms
6,816 KB |
testcase_25 | AC | 38 ms
6,816 KB |
testcase_26 | AC | 30 ms
6,820 KB |
testcase_27 | AC | 40 ms
6,816 KB |
testcase_28 | AC | 53 ms
6,820 KB |
testcase_29 | AC | 81 ms
6,816 KB |
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; #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 second auto constexpr INF32 = numeric_limits<int32_t>::max()/2-1; auto constexpr INF64 = numeric_limits<int64_t>::max()/2-1; auto constexpr INF = numeric_limits<int>::max()/2-1; #ifdef LOCAL #include "debug.hpp" #define dump(...) cerr << "[" << setw(3) << __LINE__ << ":" << __FUNCTION__ << "] ", dump_impl(#__VA_ARGS__, __VA_ARGS__) #define say(x) cerr << "[" << __LINE__ << ":" << __FUNCTION__ << "] " << x << endl #define debug if (1) #else #define dump(...) (void)(0) #define say(x) (void)(0) #define debug if (0) #endif template <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> 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> constexpr bool chmin(T& x, T const& y) { if (x > y) { x = y; return true; } return false; } template <class T> constexpr bool chmax(T& x, T 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(); } template <class C, class F> int ppt(C const& v, F f) { return partition_point(v.begin(), v.end(), f)-v.begin(); } // <<< int32_t main() { int n,m; cin >> n >> m; vector<int> a(n); cin >> a; vector<int> x(m),w(m); rep (i,m) cin >> x[i] >> w[i], x[i]--; auto check = [&](int c) { if (c == 0) { int sum = sumof(all(w)); int mi = *min_element(all(a)); return mi > sum; } vector<int> v0(n+1),v1(n+1); auto add = [&](auto &v, int l, int r, int val) { v[l] += val; v[r] -= val; }; rep (j,m) { int l = max(0LL, x[j] - w[j]/c), r = min(n-1, x[j]+w[j]/c)+1; add(v0, l, x[j], w[j]-x[j]*c); add(v0, x[j], r, w[j]+x[j]*c); add(v1, l, x[j], +c); add(v1, x[j], r, -c); } rep (i,n) v0[i+1] += v0[i]; rep (i,n) v1[i+1] += v1[i]; rep (i,n) v0[i] += i*v1[i]; rep (i,n) if (v0[i] >= a[i]) return false; return true; }; int inf = 1e6; int l = -1, r = inf; while (l+1 < r) { int mid = (l+r)/2; (check(mid) ? r : l) = mid; } cout << (r == inf ? -1 : r) << endl; }