結果
問題 | No.2157 崖 |
ユーザー | SnowBeenDiding |
提出日時 | 2022-12-09 21:54:05 |
言語 | C++23 (gcc 12.3.0 + boost 1.83.0) |
結果 |
AC
|
実行時間 | 2,426 ms / 6,000 ms |
コード長 | 5,082 bytes |
コンパイル時間 | 5,898 ms |
コンパイル使用メモリ | 311,996 KB |
実行使用メモリ | 17,664 KB |
最終ジャッジ日時 | 2024-10-14 21:44:32 |
合計ジャッジ時間 | 29,220 ms |
ジャッジサーバーID (参考情報) |
judge3 / judge5 |
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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 | 3 ms
5,248 KB |
testcase_02 | AC | 3 ms
5,248 KB |
testcase_03 | AC | 3 ms
5,248 KB |
testcase_04 | AC | 3 ms
5,248 KB |
testcase_05 | AC | 3 ms
5,248 KB |
testcase_06 | AC | 3 ms
5,248 KB |
testcase_07 | AC | 3 ms
5,248 KB |
testcase_08 | AC | 3 ms
5,248 KB |
testcase_09 | AC | 3 ms
5,248 KB |
testcase_10 | AC | 3 ms
5,248 KB |
testcase_11 | AC | 3 ms
5,248 KB |
testcase_12 | AC | 3 ms
5,248 KB |
testcase_13 | AC | 1,663 ms
13,184 KB |
testcase_14 | AC | 2,066 ms
15,360 KB |
testcase_15 | AC | 2,408 ms
12,416 KB |
testcase_16 | AC | 2,403 ms
12,416 KB |
testcase_17 | AC | 1,648 ms
13,696 KB |
testcase_18 | AC | 1,662 ms
13,440 KB |
testcase_19 | AC | 2,202 ms
15,488 KB |
testcase_20 | AC | 2,426 ms
17,664 KB |
testcase_21 | AC | 2,335 ms
17,408 KB |
testcase_22 | AC | 1,955 ms
13,312 KB |
testcase_23 | AC | 2 ms
5,248 KB |
testcase_24 | AC | 5 ms
5,248 KB |
ソースコード
#include <atcoder/all> using namespace atcoder; // using mint = modint1000000007; using mint = modint998244353; // using mint = modint;//mint::set_mod(MOD); // const long long MOD = 1000000007; const long long MOD = 998244353; #include <bits/stdc++.h> #define rep(i, a, b) for (ll i = (ll)(a); i < (ll)(b); i++) #define repeq(i, a, b) for (ll i = (ll)(a); i <= (ll)(b); i++) #define repreq(i, a, b) for (ll i = (ll)(a); i >= (ll)(b); i--) #define each(a, b) for (auto &(a) : (b)) #define endl '\n' // fflush(stdout); #define cYes cout << "Yes" << endl #define cNo cout << "No" << endl #define sortr(v) sort(v, greater<>()) #define pb push_back #define mp make_pair #define mt make_tuple #define tget(a, b) get<b>(a) #define FI first #define SE second #define ALL(v) (v).begin(), (v).end() #define INFLL 3000000000000000100LL #define INF 1000000100 #define PI acos(-1.0L) #define TAU (PI * 2.0L) using namespace std; typedef long long ll; typedef pair<ll, ll> Pll; typedef tuple<ll, ll, ll> Tlll; typedef vector<int> Vi; typedef vector<Vi> VVi; typedef vector<ll> Vl; typedef vector<Vl> VVl; typedef vector<VVl> VVVl; typedef vector<Tlll> VTlll; typedef vector<mint> Vm; typedef vector<Vm> VVm; typedef vector<string> Vs; typedef vector<double> Vd; typedef vector<char> Vc; typedef vector<bool> Vb; typedef vector<Pll> VPll; typedef priority_queue<ll> PQl; typedef priority_queue<ll, vector<ll>, greater<ll>> PQlr; /* print */ template <typename T> ostream &operator<<(ostream &os, const vector<T> &V) { int N = V.size(); if (N == 0) { os << endl; return os; } rep(i, 0, N - 1) { os << V[i] << ' '; } os << V[N - 1] << endl; return os; } template <typename T> ostream &operator<<(ostream &os, const vector<vector<T>> &V) { int N = V.size(); rep(i, 0, N) os << V[i]; return os; } template <typename T, typename S> ostream &operator<<(ostream &os, pair<T, S> const &P) { os << P.FI << ' ' << P.SE; return os; } ostream &operator<<(ostream &os, mint const &M) { os << M.val(); return os; } /* useful */ template <typename T> void Vin(vector<T> &v) { int n = v.size(); rep(i, 0, n) cin >> v[i]; } template <typename T> int SMALLER(vector<T> &a, T x) { return lower_bound(a.begin(), a.end(), x) - a.begin(); } template <typename T> int orSMALLER(vector<T> &a, T x) { return upper_bound(a.begin(), a.end(), x) - a.begin(); } template <typename T> int BIGGER(vector<T> &a, T x) { return a.size() - orSMALLER(a, x); } template <typename T> int orBIGGER(vector<T> &a, T x) { return a.size() - SMALLER(a, x); } template <typename T> int COUNT(vector<T> &a, T x) { return upper_bound(ALL(a), x) - lower_bound(ALL(a), x); } template <typename T, typename S> bool chmax(T &a, S b) { if (a < b) { a = b; return 1; } return 0; } template <typename T, typename S> bool chmin(T &a, S b) { if (a > b) { a = b; return 1; } return 0; } template <typename T> void press(T &v) { v.erase(unique(ALL(v)), v.end()); } template <typename T> vector<int> zip(vector<T> b) { pair<T, int> p[b.size() + 10]; int a = b.size(); vector<int> l(a); for (int i = 0; i < a; i++) p[i] = mp(b[i], i); sort(p, p + a); int w = 0; for (int i = 0; i < a; i++) { if (i && p[i].first != p[i - 1].first) w++; l[p[i].second] = w; } return l; } template <typename T> vector<T> vis(vector<T> &v) { vector<T> S(v.size() + 1); rep(i, 1, S.size()) S[i] += v[i - 1] + S[i - 1]; return S; } ll dem(ll a, ll b) { return ((a + b - 1) / (b)); } ll dtoll(double d, int g) { return round(d * pow(10, g)); } const double EPS = 1e-10; void init() { cin.tie(0); cout.tie(0); ios::sync_with_stdio(0); cout << fixed << setprecision(12); } // do {} while (next_permutation(ALL(vec))); /********************************** START **********************************/ void sol() { int h, w; cin >> h >> w; VVi a(h, Vi(w)); rep(i, 0, h) Vin(a[i]); rep(i, 0, h) sort(ALL(a[i])); auto check = [&](ll mid) { // ([...,1,1,1,0,0,0,...]) if (mid < 0) return 1; VVi al(h); rep(i, 0, w) al[0].pb(a[0][i]); rep(i, 1, h) rep(j, 0, w) { int l, r; l = a[i][j] - mid, r = a[i][j]; int ct = orSMALLER(al[i - 1], r) - SMALLER(al[i - 1], l); if (ct > 0) al[i].pb(a[i][j]); } if (al[h - 1].size()) return 0; else return 1; }; auto binary = [&]() { // ll ll L = -10, R = 2000000010; // 解[L,R) 探索範囲(L,R) ll mid = L + (R - L) / 2; while (R - L > 1) { if (check(mid)) L = mid; else R = mid; mid = L + (R - L) / 2; } return R; // L-true R-false }; int ans = binary(); if (ans > 2000000000) ans = -1; cout << ans << endl; } int main() { init(); int q = 1; // cin >> q; while (q--) sol(); return 0; }