結果
問題 | No.2731 Two Colors |
ユーザー | umimel |
提出日時 | 2024-04-23 17:58:49 |
言語 | C++14 (gcc 12.3.0 + boost 1.83.0) |
結果 |
TLE
|
実行時間 | - |
コード長 | 4,409 bytes |
コンパイル時間 | 1,622 ms |
コンパイル使用メモリ | 181,332 KB |
実行使用メモリ | 316,608 KB |
最終ジャッジ日時 | 2024-10-15 18:36:54 |
合計ジャッジ時間 | 13,347 ms |
ジャッジサーバーID (参考情報) |
judge4 / 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 | TLE | - |
testcase_01 | -- | - |
testcase_02 | -- | - |
testcase_03 | -- | - |
testcase_04 | -- | - |
testcase_05 | -- | - |
testcase_06 | -- | - |
testcase_07 | -- | - |
testcase_08 | -- | - |
testcase_09 | -- | - |
testcase_10 | -- | - |
testcase_11 | -- | - |
testcase_12 | -- | - |
testcase_13 | -- | - |
testcase_14 | -- | - |
testcase_15 | -- | - |
testcase_16 | -- | - |
testcase_17 | -- | - |
testcase_18 | -- | - |
testcase_19 | -- | - |
testcase_20 | -- | - |
testcase_21 | -- | - |
testcase_22 | -- | - |
testcase_23 | -- | - |
testcase_24 | -- | - |
testcase_25 | -- | - |
testcase_26 | -- | - |
testcase_27 | -- | - |
testcase_28 | -- | - |
testcase_29 | -- | - |
testcase_30 | -- | - |
testcase_31 | -- | - |
testcase_32 | -- | - |
testcase_33 | -- | - |
testcase_34 | -- | - |
testcase_35 | -- | - |
コンパイルメッセージ
main.cpp: In function 'void solve()': main.cpp:122:18: warning: structured bindings only available with '-std=c++17' or '-std=gnu++17' [-Wc++17-extensions] 122 | auto [v, i, j] = pq0.top(); | ^ main.cpp:143:18: warning: structured bindings only available with '-std=c++17' or '-std=gnu++17' [-Wc++17-extensions] 143 | auto [v, i, j] = pq1.top(); | ^
ソースコード
#include<bits/stdc++.h> using namespace std; using ll = long long; using pll = pair<ll, ll>; #define drep(i, cc, n) for (ll i = (cc); i <= (n); ++i) #define rep(i, n) drep(i, 0, n - 1) #define all(a) (a).begin(), (a).end() #define pb push_back #define fi first #define se second mt19937_64 rng(chrono::system_clock::now().time_since_epoch().count()); const ll MOD1000000007 = 1000000007; const ll MOD998244353 = 998244353; const ll MOD[3] = {999727999, 1070777777, 1000000007}; const ll LINF = 1LL << 60LL; const int IINF = (1 << 30) - 1; template<long long mod> class modint{ long long x; public: modint(long long x=0) : x((x%mod+mod)%mod) {} modint operator-() const { return modint(-x); } bool operator==(const modint& a){ if(x == a) return true; else return false; } bool operator==(long long a){ if(x == a) return true; else return false; } bool operator!=(const modint& a){ if(x != a) return true; else return false; } bool operator!=(long long a){ if(x != a) return true; else return false; } modint& operator+=(const modint& a) { if ((x += a.x) >= mod) x -= mod; return *this; } modint& operator-=(const modint& a) { if ((x += mod-a.x) >= mod) x -= mod; return *this; } modint& operator*=(const modint& a) { (x *= a.x) %= mod; return *this; } modint operator+(const modint& a) const { modint res(*this); return res+=a; } modint operator-(const modint& a) const { modint res(*this); return res-=a; } modint operator*(const modint& a) const { modint res(*this); return res*=a; } modint pow(long long t) const { if (!t) return 1; modint a = pow(t>>1); a *= a; if (t&1) a *= *this; return a; } // for prime mod modint inv() const { return pow(mod-2); } modint& operator/=(const modint& a) { return (*this) *= a.inv(); } modint operator/(const modint& a) const { modint res(*this); return res/=a; } friend std::istream& operator>>(std::istream& is, modint& m) noexcept { is >> m.x; m.x %= mod; if (m.x < 0) m.x += mod; return is; } friend ostream& operator<<(ostream& os, const modint& m){ os << m.x; return os; } }; using mint = modint<MOD998244353>; void solve(){ int h, w; cin >> h >> w; vector<vector<int>> a(h, vector<int>(w)); for(int i=0; i<h; i++) for(int j=0; j<w; j++) cin >> a[i][j]; priority_queue<tuple<int, int, int>, vector<tuple<int, int, int>>, greater<>> pq0, pq1; int di[4] = {0, 0, 1, -1}, dj[4] = {1, -1, 0, 0}; vector<vector<int>> c(h, vector<int>(w, -1)); c[0][0] = 1; c[h-1][w-1] = 0; pq1.push({a[0][1], 0, 1}); pq1.push({a[1][0], 1, 0}); pq0.push({a[h-2][w-1], h-2, w-1}); pq0.push({a[h-1][w-2], h-1, w-2}); int ans = 0; for(int turn=1; ; turn++){ ans++; if(turn%2==0){ auto [v, i, j] = pq0.top(); pq0.pop(); c[i][j] = 0; // check for(int k=0; k<4; k++){ int nxt_i = i + di[k]; int nxt_j = j + dj[k]; if(nxt_i<0||nxt_j<0||h<=nxt_i||w<=nxt_j) continue; if(c[nxt_i][nxt_j] == 1){ cout << ans << '\n'; return; } if(c[nxt_i][nxt_j]==-1){ pq0.push({a[nxt_i][nxt_j], nxt_i, nxt_j}); } } } if(turn%2==1){ auto [v, i, j] = pq1.top(); pq1.pop(); c[i][j] = 1; // check for(int k=0; k<4; k++){ int nxt_i = i + di[k]; int nxt_j = j + dj[k]; if(nxt_i<0||nxt_j<0||h<=nxt_i||w<=nxt_j) continue; if(c[nxt_i][nxt_j] == 0){ cout << ans << '\n'; return; } if(c[nxt_i][nxt_j]==-1){ pq1.push({a[nxt_i][nxt_j], nxt_i, nxt_j}); } } } } } int main(){ cin.tie(nullptr); ios::sync_with_stdio(false); int T=1; //cin >> T; while(T--) solve(); }