結果
問題 | No.1949 足し算するだけのパズルゲーム(2) |
ユーザー |
|
提出日時 | 2022-05-20 23:11:13 |
言語 | C++17 (gcc 13.3.0 + boost 1.87.0) |
結果 |
AC
|
実行時間 | 173 ms / 3,000 ms |
コード長 | 3,187 bytes |
コンパイル時間 | 2,471 ms |
コンパイル使用メモリ | 211,464 KB |
最終ジャッジ日時 | 2025-01-29 11:35:18 |
ジャッジサーバーID (参考情報) |
judge5 / judge2 |
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ファイルパターン | 結果 |
---|---|
other | AC * 26 |
ソースコード
#pragma region Macros #include <bits/stdc++.h> using namespace std; template <class T> inline bool chmax(T &a, T b) { if(a < b) { a = b; return 1; } return 0; } template <class T> inline bool chmin(T &a, T b) { if(a > b) { a = b; return 1; } return 0; } #ifdef DEBUG template <class T, class U> ostream &operator<<(ostream &os, const pair<T, U> &p) { os << '(' << p.first << ',' << p.second << ')'; return os; } template <class T> ostream &operator<<(ostream &os, const vector<T> &v) { os << '{'; for(int i = 0; i < (int)v.size(); i++) { if(i) { os << ','; } os << v[i]; } os << '}'; return os; } void debugg() { cerr << endl; } template <class T, class... Args> void debugg(const T &x, const Args &... args) { cerr << " " << x; debugg(args...); } #define debug(...) \ cerr << __LINE__ << " [" << #__VA_ARGS__ << "]: ", debugg(__VA_ARGS__) #define dump(x) cerr << __LINE__ << " " << #x << " = " << (x) << endl #else #define debug(...) (void(0)) #define dump(x) (void(0)) #endif struct Setup { Setup() { cin.tie(0); ios::sync_with_stdio(false); cout << fixed << setprecision(15); } } __Setup; using ll = long long; #define OVERLOAD3(_1, _2, _3, name, ...) name #define ALL(v) (v).begin(), (v).end() #define RALL(v) (v).rbegin(), (v).rend() #define REP1(i, n) for(int i = 0; i < int(n); i++) #define REP2(i, a, b) for(int i = (a); i < int(b); i++) #define REP(...) OVERLOAD3(__VA_ARGS__, REP2, REP1)(__VA_ARGS__) #define UNIQUE(v) sort(ALL(v)), (v).erase(unique(ALL(v)), (v).end()) #define SZ(v) ((int)(v).size()) const int INF = 1 << 30; const ll LLINF = 1LL << 60; constexpr int MOD = 1000000007; constexpr int MOD2 = 998244353; const int dx[4] = {1, 0, -1, 0}; const int dy[4] = {0, 1, 0, -1}; void Case(int i) { cout << "Case #" << i << ": "; } int popcount(int x) { return __builtin_popcount(x); } ll popcount(ll x) { return __builtin_popcountll(x); } #pragma endregion Macros int main() { int H, W, sx, sy; cin >> H >> W >> sx >> sy; sx--, sy--; vector a(H, vector<ll>(W)); REP(i, H) REP(j, W) cin >> a[i][j]; using Data = tuple<ll, int, int>; priority_queue<Data, vector<Data>, greater<Data>> que; vector seen(H, vector<bool>(W, false)); ll now = a[sx][sy]; seen[sx][sy] = true; REP(dir, 4) { int nx = sx + dx[dir], ny = sy + dy[dir]; if(nx < 0 or nx >= H or ny < 0 or ny >= W) continue; que.emplace(a[nx][ny], nx, ny); } while(!que.empty()) { auto [atk, x, y] = que.top(); que.pop(); if(seen[x][y]) continue; if(now <= atk) break; now += atk; seen[x][y] = true; REP(dir, 4) { int nx = x + dx[dir], ny = y + dy[dir]; if(nx < 0 or nx >= H or ny < 0 or ny >= W) continue; if(seen[nx][ny]) continue; que.emplace(a[nx][ny], nx, ny); } } REP(i, H) REP(j, W) { if(!seen[i][j]) { cout << "No\n"; return 0; } } cout << "Yes\n"; }