結果
問題 | No.2476 Knight Game |
ユーザー | shobonvip |
提出日時 | 2023-09-18 21:19:41 |
言語 | C++17 (gcc 12.3.0 + boost 1.83.0) |
結果 |
AC
|
実行時間 | 508 ms / 2,000 ms |
コード長 | 3,435 bytes |
コンパイル時間 | 3,860 ms |
コンパイル使用メモリ | 272,692 KB |
実行使用メモリ | 11,280 KB |
最終ジャッジ日時 | 2024-07-05 10:34:11 |
合計ジャッジ時間 | 7,534 ms |
ジャッジサーバーID (参考情報) |
judge5 / judge1 |
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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 | 4 ms
11,276 KB |
testcase_01 | AC | 417 ms
11,264 KB |
testcase_02 | AC | 508 ms
11,152 KB |
testcase_03 | AC | 506 ms
11,264 KB |
testcase_04 | AC | 505 ms
11,264 KB |
testcase_05 | AC | 501 ms
11,280 KB |
ソースコード
#include<bits/stdc++.h> using namespace std; //* ATCODER #include<atcoder/all> using namespace atcoder; typedef modint998244353 mint; //*/ /* BOOST MULTIPRECISION #include<boost/multiprecision/cpp_int.hpp> using namespace boost::multiprecision; //*/ typedef long long ll; #define rep(i, s, n) for (int i = (int)(s); i < (int)(n); i++) #define rrep(i, s, n) for (int i = (int)(n)-1; i >= (int)(s); i--) template <typename T> bool chmin(T &a, const T &b) { if (a <= b) return false; a = b; return true; } template <typename T> bool chmax(T &a, const T &b) { if (a >= b) return false; a = b; return true; } template <typename T> T max(vector<T> &a){ assert(!a.empty()); T ret = a[0]; for (int i=0; i<(int)a.size(); i++) chmax(ret, a[i]); return ret; } template <typename T> T min(vector<T> &a){ assert(!a.empty()); T ret = a[0]; for (int i=0; i<(int)a.size(); i++) chmin(ret, a[i]); return ret; } template <typename T> T sum(vector<T> &a){ T ret = 0; for (int i=0; i<(int)a.size(); i++) ret += a[i]; return ret; } ll floor_sqrt(ll n){ ll ub = 3e9 + 30; ll lb = 0; while(ub - lb > 1){ ll t = (ub + lb) / 2; if (t * t <= n){ lb = t; }else{ ub = t; } } return lb; } //defmodfact const int COMinitMAX = 992844; mint fact[COMinitMAX+1], factinv[COMinitMAX+1]; void modfact(){ fact[0] = 1; for (int i=1; i<=COMinitMAX; i++){ fact[i] = fact[i-1] * i; } factinv[COMinitMAX] = fact[COMinitMAX].inv(); for (int i=COMinitMAX-1; i>=0; i--){ factinv[i] = factinv[i+1] * (i+1); } } mint cmb(int a, int b){ if (a<b || b<0) return mint(0); return fact[a]*factinv[b]*factinv[a-b]; } //-------- void naive(int h, int w){ vector game(1<<(h*w), vector(h, vector<bool>(w))); vector tansaku(1<<(h*w), vector(h, vector<bool>(w))); vector<int> dx = {-2, -2, -1, -1, 1, 1, 2, 2}; vector<int> dy = {-1, 1, -2, 2, -2, 2, -1, 1}; auto dp = [&](auto self, int dat, int x, int y) -> bool { if (tansaku[dat][x][y]){ return game[dat][x][y]; } rep(i,0,8){ int xx = x + dx[i]; int yy = y + dy[i]; if (0 <= xx && xx < h){ if (0 <= yy && yy < w){ if ((dat >> (xx * w + yy) & 1) == 0){ if (!self(self, dat | (1 << (xx * w + yy)), xx, yy)){ game[dat][x][y] = true; tansaku[dat][x][y] = true; return true; } } } } } game[dat][x][y] = false; tansaku[dat][x][y] = true; return false; }; rep(i,0,h){ rep(j,0,w){ if (dp(dp,1<<(i*w+j),i,j)){ cout << 1; }else{ cout << 0; } } cout << endl; } } void solve(){ int H, W; cin >> H >> W; int x, y; cin >> x >> y; x--; y--; if (H > W){ swap(H, W); swap(x, y); } if (H == 1){ cout << "Bob\n"; }else if (H == 2){ int lftmoval = y / 2; int rgtmoval = (W-y-1) / 2; if (lftmoval % 2 == 1 || rgtmoval % 2 == 1){ cout << "Alice\n"; }else{ cout << "Bob\n"; } }else if (H == 3 && W == 3){ vector<vector<int>> ans = { {1, 1, 1}, {1, 0, 1}, {1, 1, 1} }; if (ans[x][y] == 1){ cout << "Alice\n"; }else{ cout << "Bob\n"; } }else if (H == 3 && W == 5){ vector<vector<int>> ans = { {0, 1, 1, 1, 0}, {1, 0, 1, 0, 1}, {0, 1, 1, 1, 0} }; if (ans[x][y] == 1){ cout << "Alice\n"; }else{ cout << "Bob\n"; } }else if (H * W % 2 == 0){ cout << "Alice\n"; }else{ if ((x + y) % 2 == 0){ cout << "Bob\n"; }else{ cout << "Alice\n"; } } } int main(){ int t; cin >> t; while(t--) solve(); }