結果
問題 | No.2064 Smallest Sequence on Grid |
ユーザー | T101010101 |
提出日時 | 2023-03-08 00:53:36 |
言語 | C++17 (gcc 12.3.0 + boost 1.83.0) |
結果 |
TLE
|
実行時間 | - |
コード長 | 5,879 bytes |
コンパイル時間 | 5,891 ms |
コンパイル使用メモリ | 300,856 KB |
実行使用メモリ | 512,032 KB |
最終ジャッジ日時 | 2024-09-18 02:21:05 |
合計ジャッジ時間 | 32,986 ms |
ジャッジサーバーID (参考情報) |
judge1 / judge6 |
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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
10,752 KB |
testcase_01 | AC | 2 ms
5,376 KB |
testcase_02 | AC | 2 ms
5,376 KB |
testcase_03 | AC | 2 ms
5,376 KB |
testcase_04 | AC | 2 ms
5,376 KB |
testcase_05 | AC | 2 ms
5,376 KB |
testcase_06 | AC | 2 ms
5,376 KB |
testcase_07 | AC | 2 ms
5,376 KB |
testcase_08 | AC | 2 ms
5,376 KB |
testcase_09 | AC | 2 ms
5,376 KB |
testcase_10 | AC | 3 ms
5,376 KB |
testcase_11 | AC | 3 ms
5,376 KB |
testcase_12 | AC | 3 ms
5,376 KB |
testcase_13 | AC | 3 ms
5,376 KB |
testcase_14 | AC | 3 ms
5,376 KB |
testcase_15 | AC | 3 ms
5,376 KB |
testcase_16 | AC | 4 ms
5,376 KB |
testcase_17 | AC | 861 ms
504,576 KB |
testcase_18 | AC | 834 ms
504,448 KB |
testcase_19 | AC | 829 ms
504,448 KB |
testcase_20 | TLE | - |
testcase_21 | TLE | - |
testcase_22 | AC | 2,252 ms
504,960 KB |
testcase_23 | AC | 2,417 ms
505,088 KB |
testcase_24 | AC | 2,386 ms
505,088 KB |
testcase_25 | AC | 2,504 ms
505,088 KB |
testcase_26 | TLE | - |
testcase_27 | MLE | - |
testcase_28 | -- | - |
testcase_29 | -- | - |
testcase_30 | -- | - |
ソースコード
#pragma region Macros #pragma GCC target("avx,avx2,fma") #pragma GCC optimize("O3") #pragma GCC optimize("unroll-loops") // #pragma GCC target("avx,avx2,fma,sse,sse2,sse3,ssse3,sse4,popcnt,abm,mmx,tune=native") #include <bits/extc++.h> // #include <bits/stdc++.h> using namespace std; using namespace __gnu_pbds; // using namespace __gnu_cxx; // #include <atcoder/fenwicktree> // #include <atcoder/segtree> // #include <atcoder/maxflow> // #include <atcoder/all> // using namespace atcoder; // #include <boost/multiprecision/cpp_int.hpp> // namespace mp = boost::multiprecision; // using Bint = mp::cpp_int; #define TO_STRING(var) # var #define pb emplace_back #define int ll #define endl '\n' using ll = long long; using ld = long double; const ld PI = acos(-1); const ld EPS = 1e-10; const ll INFL = 1LL << 61; const int MOD = 998244353; // const int MOD = 1000000007; __attribute__((constructor)) void constructor() { ios::sync_with_stdio(false); cin.tie(nullptr); cout << fixed << setprecision(15); } class UnionFind { public: UnionFind() = default; UnionFind(int n) : par(n), sz(n, 1) { iota(par.begin(), par.end(), 0); } int root(int x) { if (par[x] == x) return x; return (par[x] = root(par[x])); } bool unite(int x, int y) { int rx = root(x); int ry = root(y); if (rx == ry) return false; if (sz[rx] < sz[ry]) swap(rx, ry); // union by size sz[rx] += sz[ry]; par[ry] = rx; return true; } bool issame(int x, int y) { return (root(x) == root(y)); } int size(int x) { return sz[root(x)]; } vector<vector<int>> groups(int n) { vector<vector<int>> G(n); for (int x = 0; x < n; x++) { G[root(x)].push_back(x); } G.erase( remove_if(G.begin(), G.end(), [&](const vector<int>& v) { return v.empty(); }), G.end()); return G; } private: vector<int> par; vector<int> sz; }; template<int mod> class modint{ public: int val = 0; modint(int x = 0) { while (x < 0) x += mod; val = x % mod; } modint(const modint &r) { val = r.val; } // コピーコンストラクタ modint operator -(){ return modint(-val); } // 単項 modint operator +(const modint &r) { return modint(*this) += r; } modint operator -(const modint &r) { return modint(*this) -= r; } modint operator *(const modint &r) { return modint(*this) *= r; } modint operator /(const modint &r) { return modint(*this) /= r; } modint &operator +=(const modint &r) { val += r.val; if (val >= mod) val -= mod; return *this; } modint &operator -=(const modint &r) { if (val < r.val) val += mod; val -= r.val; return *this; } modint &operator *=(const modint &r) { val = val * r.val % mod; return *this; } modint &operator /=(const modint &r) { int a = r.val, b = mod, u = 1, v = 0; while (b) { int t = a / b; a -= t * b; swap(a, b); u -= t * v; swap(u, v); } val = val * u % mod; if (val < 0) val += mod; return *this; } bool operator ==(const modint& r) { return this -> val == r.val; } bool operator <(const modint& r) { return this -> val < r.val; } bool operator !=(const modint& r) { return this -> val != r.val; } }; using mint = modint<MOD>; istream &operator >>(istream &is, mint& x) { int t; is >> t; x = t; return (is); } ostream &operator <<(ostream &os, const mint& x) { return os << x.val; } mint modpow(const mint &a, int n) { if (n == 0) return 1; mint t = modpow(a, n / 2); t = t * t; if (n & 1) t = t * a; return t; } int modpow(int x, int N, int mod) { int ret = 1; while (N > 0) { if (N % 2 == 1) ret = ret * x % mod; x = x * x % mod; N /= 2; } return ret; } int ceil(int x, int y) { return (x > 0 ? (x + y - 1) / y : x / y); } #pragma endregion signed main() { int H, W; cin >> H >> W; vector<vector<char>> S(H, vector<char>(W)); for (int i = 0; i < H; i++) { for (int j = 0; j < W; j++) { cin >> S[i][j]; } } vector<char> ans(H + W - 1, 123); vector<vector<vector<int>>> flag(H, vector<vector<int>>(W, vector<int>(2))); ans[0] = S[0][0]; queue<vector<int>> qu; vector<int> A(3); qu.push(A); while (!qu.empty()) { auto V = qu.front(); qu.pop(); int i = V[0]; int j = V[1]; int k = V[2]; if (i && k == 0 && S[i - 1][j] != ans[i + j - 1]) continue; if (j && k == 1 && S[i][j - 1] != ans[i + j - 1]) continue; char c = 'z'; if (S[i][j] < ans[i + j]) { ans[i + j] = S[i][j]; if (i + 1 < H && !flag[i + 1][j][0]) { vector<int> B = {i + 1, j, 0}; flag[i + 1][j][0] = true; qu.emplace(B); c = min(c, S[i + 1][j]); } if (j + 1 < W && !flag[i][j + 1][1]) { vector<int> B = {i, j + 1, 1}; flag[i][j + 1][1] = true; qu.emplace(B); c = min(c, S[i][j + 1]); } } if (S[i][j] == ans[i + j]) { if (i + 1 < H && !flag[i + 1][j][0] && S[i + 1][j] <= c) { vector<int> B = {i + 1, j, 0}; flag[i + 1][j][0] = true; qu.emplace(B); c = min(c, S[i + 1][j]); } if (j + 1 < W && !flag[i][j + 1][1] && S[i][j + 1] <= c) { vector<int> B = {i, j + 1, 1}; flag[i][j + 1][1] = true; qu.emplace(B); c = min(c, S[i][j + 1]); } } } for (auto &x : ans) { cout << x; } cout << endl; }