結果
問題 | No.2855 Move on Grid |
ユーザー | sgfc |
提出日時 | 2024-08-27 00:51:15 |
言語 | C++23 (gcc 12.3.0 + boost 1.83.0) |
結果 |
AC
|
実行時間 | 238 ms / 3,000 ms |
コード長 | 4,395 bytes |
コンパイル時間 | 8,525 ms |
コンパイル使用メモリ | 452,364 KB |
実行使用メモリ | 7,916 KB |
最終ジャッジ日時 | 2024-08-27 00:51:34 |
合計ジャッジ時間 | 14,848 ms |
ジャッジサーバーID (参考情報) |
judge5 / 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 | 47 ms
6,812 KB |
testcase_01 | AC | 64 ms
6,940 KB |
testcase_02 | AC | 42 ms
6,940 KB |
testcase_03 | AC | 29 ms
6,940 KB |
testcase_04 | AC | 21 ms
6,944 KB |
testcase_05 | AC | 41 ms
6,944 KB |
testcase_06 | AC | 43 ms
6,944 KB |
testcase_07 | AC | 6 ms
6,944 KB |
testcase_08 | AC | 38 ms
6,940 KB |
testcase_09 | AC | 18 ms
6,940 KB |
testcase_10 | AC | 144 ms
6,940 KB |
testcase_11 | AC | 149 ms
6,944 KB |
testcase_12 | AC | 140 ms
6,940 KB |
testcase_13 | AC | 163 ms
6,940 KB |
testcase_14 | AC | 144 ms
6,944 KB |
testcase_15 | AC | 141 ms
6,940 KB |
testcase_16 | AC | 145 ms
6,940 KB |
testcase_17 | AC | 146 ms
6,944 KB |
testcase_18 | AC | 148 ms
6,944 KB |
testcase_19 | AC | 143 ms
6,944 KB |
testcase_20 | AC | 201 ms
6,940 KB |
testcase_21 | AC | 195 ms
7,808 KB |
testcase_22 | AC | 186 ms
6,940 KB |
testcase_23 | AC | 181 ms
6,944 KB |
testcase_24 | AC | 186 ms
6,940 KB |
testcase_25 | AC | 202 ms
7,680 KB |
testcase_26 | AC | 206 ms
6,940 KB |
testcase_27 | AC | 198 ms
7,680 KB |
testcase_28 | AC | 184 ms
6,940 KB |
testcase_29 | AC | 191 ms
6,940 KB |
testcase_30 | AC | 202 ms
7,552 KB |
testcase_31 | AC | 204 ms
7,680 KB |
testcase_32 | AC | 238 ms
7,552 KB |
testcase_33 | AC | 201 ms
7,736 KB |
testcase_34 | AC | 203 ms
7,680 KB |
testcase_35 | AC | 203 ms
7,808 KB |
testcase_36 | AC | 199 ms
7,916 KB |
testcase_37 | AC | 206 ms
7,808 KB |
testcase_38 | AC | 230 ms
7,808 KB |
testcase_39 | AC | 205 ms
7,680 KB |
ソースコード
#include "bits/stdc++.h" #include <stdio.h> #include <math.h> #include "atcoder/all" #include <float.h> #include <boost/multiprecision/cpp_int.hpp> using namespace boost::multiprecision; using namespace std; using namespace atcoder; using ll = long long; using ull = unsigned long long; using mint = modint998244353; using mint2 = modint1000000007; const double eps = 1e-9; #define REP(i, n) for (ll i = 0; i < ll(n); ++i) #define REPI(i, init, n) for (ll i = init; i < ll(n); ++i) #define REPD(i, init) for (ll i = init; i >=0; --i) #define REPDI(i, init, n) for (ll i = init; i >=n; --i) #define REPE(i, c) for (const auto& i : c) #define TCASE() ll _ttt; cin >> _ttt; while(_ttt--) using vl = vector<ll>; using vvl = vector<vl>; using vvvl = vector<vvl>; using dl = deque<ll>; #define VLI(a, n) vector<ll> a; a.assign(n, 0); for(auto& x : a) cin >> x; #define DLI(a, n) deque<ll> a; a.assign(n, 0); for(auto& x : a) cin >> x; #define VSI(a, n) vector<string> a; a.assign(n, ""); for(auto& x : a) cin >> x; #define VVLI(a, n, m, init) vector<vector<ll>> a(n); for(auto& x : a) x.assign(m, init); using vd = vector<double>; using pl = pair<ll, ll>; using vpl = vector<pl>; struct uv { ll u; ll v; ll c; }; #define VUVI(a, n) vector<uv> a; a.assign(n, {0, 0, 1}); for(auto& x : a) {cin >> x.u >> x.v; x.u--; x.v--;} #define VUVCI(a, n) vector<uv> a; a.assign(n, {0, 0, 0}); for(auto& x : a) {cin >> x.u >> x.v >> x.c; x.u--; x.v--;} vvl to_edge(const ll n, const vector<uv>& v) { vvl ret(n); for (auto& x : v) ret[x.u].push_back(x.v); return ret; } vvl to_edge_d(const ll n, const vector<uv>& v) { vvl ret(n); for (auto& x : v) { ret[x.u].push_back(x.v); ret[x.v].push_back(x.u); } return ret; } template <class T = long long> using pql = priority_queue<T>; template <class T = long long> using pqg = priority_queue<T, vector<T>, greater<T>>; using vm = vector<mint>; using vvm = vector<vm>; ostream& operator<<(ostream& os, const mint& v) { os << v.val(); return os; } void yn(bool f) { std::cout << (f ? "Yes" : "No") << endl; }; template<class T> void ov(const T& v) { for (auto it = v.begin(); it != v.end(); it++) { if (it != v.begin()) cout << " "; cout << *it; } }; template<> void ov(const vm& v) { for (auto it = v.begin(); it != v.end(); it++) { if (it != v.begin()) cout << " "; cout << it->val(); } }; const ll llhuge = 1LL << 62; //十分でかいが多少足しても溢れない数値 auto gmax(const auto& a, const auto& b) { return a > b ? a : b; }; auto gmin(const auto& a, const auto& b) { return a < b ? a : b; }; bool chmin(auto& a, const auto& b) { const auto olda = a; a = gmin(a, b); return olda != a; } bool chmax(auto& a, const auto& b) { const auto olda = a; a = gmax(a, b); return olda != a; } void sort(auto& v) { std::ranges::sort(v); }; void rev(auto& v) { std::ranges::reverse(v); }; template<class T> auto p_sum(const T& v) { T ret(v.size()); std::partial_sum(begin(v), end(v), ret.begin()); return ret; }; template<class T, class K = T::key_type, class V = T::mapped_type> [[nodiscard]] V myat(const T& mp, const K& key) { return mp.find(key) == mp.end() ? V() : mp.at(key); } long long ceil(const long long a, const long long b) { return (a + b - 1) / b; } //二分探索でf(t)を満たす整数tを返す //ng < ok ならtは最小値 ng > ok ならtは最大値 template <class F> ll bs(ll ng, ll ok, F f) { while (abs(ok - ng) > 1) { ll mid = (ok + ng) / 2; if (f(mid)) ok = mid; else ng = mid; } return ok; } int main() { cin.tie(nullptr); ios::sync_with_stdio(false); ll n, m, k; cin >> n >> m >> k; vvl a(n, vl(m)); REP(i, n) REP(j, m) cin >> a[i][j]; ll ans = bs(1000000001, 0, [&](ll x) { if (x == 1000000001) return false; vvl len(n, vl(m, llhuge)); deque<pair<pl, ll>> q; q.push_back({ { 0, 0 }, 0 }); //01BFS while (!q.empty()) { auto [p, ln] = q.front(); auto [i, j] = p; q.pop_front(); if (len[i][j] <= ln) continue; len[i][j] = ln; REP(k, 4) { ll dx = (k == 0) ? 1 : (k == 1) ? -1 : 0; ll dy = (k == 2) ? 1 : (k == 3) ? -1 : 0; ll ni = i + dx; ll nj = j + dy; if (ni < 0 || ni >= n || nj < 0 || nj >= m) continue; if (a[i][j] >= x) { q.push_front({ { ni, nj }, ln }); } else { q.push_back({ { ni, nj }, ln + 1 }); } } } if (a[n-1][m-1] < x) len[n - 1][m - 1]++; return len[n-1][m-1] <= k; }); cout << ans << endl; }