結果
問題 | No.2157 崖 |
ユーザー | kaikey |
提出日時 | 2022-12-09 22:26:49 |
言語 | C++17 (gcc 12.3.0 + boost 1.83.0) |
結果 |
AC
|
実行時間 | 2,659 ms / 6,000 ms |
コード長 | 4,232 bytes |
コンパイル時間 | 2,530 ms |
コンパイル使用メモリ | 213,500 KB |
実行使用メモリ | 19,456 KB |
最終ジャッジ日時 | 2024-10-14 22:25:52 |
合計ジャッジ時間 | 26,107 ms |
ジャッジサーバーID (参考情報) |
judge3 / judge2 |
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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
5,248 KB |
testcase_01 | AC | 2 ms
5,248 KB |
testcase_02 | AC | 2 ms
5,248 KB |
testcase_03 | AC | 2 ms
5,248 KB |
testcase_04 | AC | 2 ms
5,248 KB |
testcase_05 | AC | 2 ms
5,248 KB |
testcase_06 | AC | 2 ms
5,248 KB |
testcase_07 | AC | 2 ms
5,248 KB |
testcase_08 | AC | 2 ms
5,248 KB |
testcase_09 | AC | 2 ms
5,248 KB |
testcase_10 | AC | 2 ms
5,248 KB |
testcase_11 | AC | 2 ms
5,248 KB |
testcase_12 | AC | 2 ms
5,248 KB |
testcase_13 | AC | 1,632 ms
13,696 KB |
testcase_14 | AC | 2,153 ms
17,920 KB |
testcase_15 | AC | 2,395 ms
13,568 KB |
testcase_16 | AC | 2,267 ms
13,568 KB |
testcase_17 | AC | 1,825 ms
15,744 KB |
testcase_18 | AC | 1,838 ms
15,360 KB |
testcase_19 | AC | 2,162 ms
16,256 KB |
testcase_20 | AC | 2,659 ms
19,456 KB |
testcase_21 | AC | 2,559 ms
19,200 KB |
testcase_22 | AC | 1,831 ms
14,848 KB |
testcase_23 | AC | 2 ms
6,816 KB |
testcase_24 | AC | 4 ms
6,816 KB |
ソースコード
#include "bits/stdc++.h" #include <random> #define ALL(x) (x).begin(), (x).end() #define RALL(x) (x).rbegin(), (x).rend() #define SZ(x) ((lint)(x).size()) #define FOR(i, begin, end) for(lint i=(begin),i##_end_=(end);i<i##_end_;++i) #define IFOR(i, begin, end) for(lint i=(end)-1,i##_begin_=(begin);i>=i##_begin_;--i) #define REP(i, n) FOR(i,0,n) #define IREP(i, n) IFOR(i,0,n) #define endk '\n' using namespace std; typedef unsigned long long _ulong; typedef long long int lint; typedef double ld; typedef pair<lint, lint> plint; typedef pair<ld, ld> pld; struct fast_ios { fast_ios() { cin.tie(nullptr), ios::sync_with_stdio(false), cout << fixed << setprecision(10); }; } fast_ios_; template<class T> auto add = [](T a, T b) -> T { return a + b; }; template<class T> auto mul = [](T a, T b) -> T { return a * b; }; template<class T> auto f_max = [](T a, T b) -> T { return max(a, b); }; template<class T> auto f_min = [](T a, T b) -> T { return min(a, b); }; template<class T> using V = vector<T>; using Vl = V<lint>; using VVl = V<Vl>; using VVVl = V<V<Vl>>; template< typename T > ostream& operator<<(ostream& os, const vector< T >& v) { for (int i = 0; i < (int)v.size(); i++) os << v[i] << (i + 1 != v.size() ? " " : ""); return os; } template< typename T >istream& operator>>(istream& is, vector< T >& v) { for (T& in : v) is >> in; return is; } template<class T> bool chmax(T& a, const T& b) { if (a < b) { a = b; return 1; } return 0; } template<class T> bool chmin(T& a, const T& b) { if (b < a) { a = b; return 1; } return 0; } template <class T> T div_floor(T a, T b) { if (b < 0) a *= -1, b *= -1; return a >= 0 ? a / b : (a + 1) / b - 1; } template <class T> T div_ceil(T a, T b) { if (b < 0) a *= -1, b *= -1; return a > 0 ? (a - 1) / b + 1 : a / b; } template <class F> struct rec { F f; rec(F&& f_) : f(std::forward<F>(f_)) {} template <class... Args> auto operator()(Args &&... args) const { return f(*this, std::forward<Args>(args)...); } }; //lint gcd(lint a, lint b) { if (b == 0) return a; else return gcd(b, a % b); } lint digit(lint a) { return (lint)log10(a); } lint e_dist(plint a, plint b) { return abs(a.first - b.first) * abs(a.first - b.first) + abs(a.second - b.second) * abs(a.second - b.second); } lint m_dist(plint a, plint b) { return abs(a.first - b.first) + abs(a.second - b.second); } bool check_overflow(lint a, lint b, lint limit) { if (b == 0) return false; return a >= limit / b; } // a * b > c => true void Worshall_Floyd(VVl& g) { REP(k, SZ(g)) REP(i, SZ(g)) REP(j, SZ(g)) chmin(g[i][j], g[i][k] + g[k][j]); } const lint MOD1000000007 = 1000000007, MOD998244353 = 998244353, INF = 1e18; lint dx[8] = { 0, 1, 0, -1, 1, -1, 1, -1 }, dy[8] = { 1, 0, -1, 0, -1, -1, 1, 1 }; bool YN(bool flag) { cout << (flag ? "YES" : "NO") << endk; return flag; } bool yn(bool flag) { cout << (flag ? "Yes" : "No") << endk; return flag; } struct Edge { lint from, to; lint cost; Edge() { } Edge(lint u, lint v, lint c) { cost = c; from = u; to = v; } bool operator<(const Edge& e) const { return cost < e.cost; } }; struct WeightedEdge { lint to; lint cost; WeightedEdge(lint v, lint c) { to = v; cost = c; } bool operator<(const WeightedEdge& e) const { return cost < e.cost; } }; using WeightedGraph = V<V<WeightedEdge>>; typedef pair<plint, lint> tlint; typedef pair<ld, ld> pld; typedef pair<plint, plint> qlint; typedef pair<char, lint> vstr; typedef pair<lint, Vl> valv; int main() { lint N, M; cin >> N >> M; VVl arr(N, Vl(M)); cin >> arr; REP(i, N) { sort(ALL(arr[i])); } auto check = [&](lint val) { Vl dp(M, 1); REP(i, N - 1) { Vl tmp(M + 1); REP(j, M) { if (!dp[j]) continue; auto p1 = lower_bound(ALL(arr[i + 1]), arr[i][j]) - arr[i + 1].begin(); auto p2 = lower_bound(ALL(arr[i + 1]), arr[i][j] + val) - arr[i + 1].begin(); tmp[p1]++; tmp[p2]--; } REP(j, M) { tmp[j + 1] += tmp[j]; } REP(j, M) chmin(tmp[j], 1ll); tmp.pop_back(); swap(dp, tmp); } return accumulate(ALL(dp), 0ll) != 0; }; lint ng = -1, ok = 1e11 + 1; while (ok - ng > 1) { lint mid = (ok + ng) / 2; if (check(mid)) ok = mid; else ng = mid; } if (ng >= 1e10) cout << -1 << endk; else cout << ng << endl; }