結果
問題 | No.2641 draw X |
ユーザー | 👑 AngrySadEight |
提出日時 | 2024-02-19 22:45:28 |
言語 | C++17 (gcc 12.3.0 + boost 1.83.0) |
結果 |
AC
|
実行時間 | 111 ms / 2,000 ms |
コード長 | 6,818 bytes |
コンパイル時間 | 4,781 ms |
コンパイル使用メモリ | 229,432 KB |
実行使用メモリ | 75,904 KB |
最終ジャッジ日時 | 2024-09-29 02:35:30 |
合計ジャッジ時間 | 7,665 ms |
ジャッジサーバーID (参考情報) |
judge4 / judge2 |
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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 | 1 ms
6,820 KB |
testcase_01 | AC | 1 ms
6,816 KB |
testcase_02 | AC | 2 ms
6,820 KB |
testcase_03 | AC | 2 ms
6,816 KB |
testcase_04 | AC | 1 ms
6,820 KB |
testcase_05 | AC | 2 ms
6,820 KB |
testcase_06 | AC | 1 ms
6,816 KB |
testcase_07 | AC | 2 ms
6,820 KB |
testcase_08 | AC | 1 ms
6,816 KB |
testcase_09 | AC | 1 ms
6,816 KB |
testcase_10 | AC | 1 ms
6,816 KB |
testcase_11 | AC | 2 ms
6,816 KB |
testcase_12 | AC | 1 ms
6,820 KB |
testcase_13 | AC | 2 ms
6,820 KB |
testcase_14 | AC | 1 ms
6,816 KB |
testcase_15 | AC | 85 ms
75,904 KB |
testcase_16 | AC | 104 ms
75,904 KB |
testcase_17 | AC | 2 ms
6,816 KB |
testcase_18 | AC | 2 ms
6,820 KB |
testcase_19 | AC | 2 ms
6,816 KB |
testcase_20 | AC | 9 ms
8,448 KB |
testcase_21 | AC | 17 ms
14,720 KB |
testcase_22 | AC | 7 ms
7,936 KB |
testcase_23 | AC | 12 ms
13,056 KB |
testcase_24 | AC | 6 ms
7,552 KB |
testcase_25 | AC | 5 ms
6,816 KB |
testcase_26 | AC | 17 ms
15,104 KB |
testcase_27 | AC | 4 ms
6,820 KB |
testcase_28 | AC | 32 ms
28,288 KB |
testcase_29 | AC | 66 ms
59,520 KB |
testcase_30 | AC | 62 ms
50,176 KB |
testcase_31 | AC | 48 ms
34,304 KB |
testcase_32 | AC | 84 ms
59,520 KB |
testcase_33 | AC | 94 ms
59,136 KB |
testcase_34 | AC | 47 ms
35,268 KB |
testcase_35 | AC | 42 ms
31,488 KB |
testcase_36 | AC | 95 ms
68,224 KB |
testcase_37 | AC | 110 ms
72,320 KB |
testcase_38 | AC | 102 ms
64,000 KB |
testcase_39 | AC | 110 ms
74,880 KB |
testcase_40 | AC | 111 ms
71,040 KB |
testcase_41 | AC | 91 ms
64,256 KB |
testcase_42 | AC | 105 ms
67,584 KB |
testcase_43 | AC | 98 ms
65,024 KB |
ソースコード
#pragma GCC target("avx2") #pragma GCC optimize("O3") #pragma GCC optimize("unroll-loops") #include <algorithm> #include <atcoder/all> #include <bitset> #include <cassert> #include <cmath> #include <ctime> #include <functional> #include <iomanip> #include <iostream> #include <map> #include <queue> #include <random> #include <set> #include <stack> #include <string> #include <tuple> #include <unordered_map> #include <unordered_set> #include <utility> #include <vector> using namespace std; using namespace atcoder; typedef long long ll; #define rep(i, n) for (int i = 0; i < (int)(n); i++) #define repr(i, n) for (int i = (int)(n)-1; i >= 0; i--) #define repk(i, k, n) for (int i = k; i < (int)(n); i++) #define all(v) v.begin(), v.end() #define mod1 1000000007 #define mod2 998244353 #define mod3 100000007 #define vi vector<int> #define vs vector<string> #define vc vector<char> #define vl vector<ll> #define vb vector<bool> #define vvi vector<vector<int>> #define vvc vector<vector<char>> #define vvl vector<vector<ll>> #define vvb vector<vector<bool>> #define vvvi vector<vector<vector<int>>> #define vvvl vector<vector<vector<ll>>> #define pii pair<int, int> #define pil pair<int, ll> #define pli pair<ll, int> #define pll pair<ll, ll> #define vpii vector<pair<int, int>> #define vpll vector<pair<ll, ll>> #define vvpii vector<vector<pair<int, int>>> #define vvpll vector<vector<pair<ll, ll>>> // using mint = modint998244353; template <typename T> void debug(T e) { cerr << e << endl; } template <typename T> void debug(vector<T> &v) { rep(i, v.size()) { cerr << v[i] << " "; } cerr << endl; } template <typename T> void debug(vector<vector<T>> &v) { rep(i, v.size()) { rep(j, v[i].size()) { cerr << v[i][j] << " "; } cerr << endl; } } template <typename T> void debug(vector<pair<T, T>> &v) { rep(i, v.size()) { cerr << v[i].first << " " << v[i].second << endl; } } template <typename T> void debug(set<T> &st) { for (auto itr = st.begin(); itr != st.end(); itr++) { cerr << *itr << " "; } cerr << endl; } template <typename T> void debug(multiset<T> &ms) { for (auto itr = ms.begin(); itr != ms.end(); itr++) { cerr << *itr << " "; } cerr << endl; } template <typename T> void debug(map<T, T> &mp) { for (auto itr = mp.begin(); itr != mp.end(); itr++) { cerr << itr->first << " " << itr->second << endl; } } void debug_out() { cerr << endl; } template <typename Head, typename... Tail> void debug_out(Head H, Tail... T) { cerr << H << " "; debug_out(T...); } int main() { ll H, W; cin >> H >> W; vector<string> S(H); for (ll i = 0; i < H; i++) { cin >> S[i]; } vector<vector<ll>> sum1(H, vector<ll>(W, 0)); vector<vector<ll>> sum2(H, vector<ll>(W, 0)); vector<vector<ll>> sum3(H, vector<ll>(W, 0)); vector<vector<ll>> sum4(H, vector<ll>(W, 0)); for (ll i = 0; i < H; i++) { for (ll j = 0; j < W; j++) { if (S[i][j] == '#') { sum1[i][j] = 1; sum2[i][j] = 1; sum3[i][j] = 1; sum4[i][j] = 1; } } } for (ll i = 0; i < H; i++) { for (ll j = 0; j < W; j++) { if (S[i][j] == '.') { continue; } if (i > 0 && j > 0) { sum1[i][j] += sum1[i - 1][j - 1]; } } } for (ll i = 0; i < H; i++) { for (ll j = W - 1; j >= 0; j--) { if (S[i][j] == '.') { continue; } if (i > 0 && j < W - 1) { sum2[i][j] += sum2[i - 1][j + 1]; } } } for (ll i = H - 1; i >= 0; i--) { for (ll j = 0; j < W; j++) { if (S[i][j] == '.') { continue; } if (i < H - 1 && j > 0) { sum3[i][j] += sum3[i + 1][j - 1]; } } } for (ll i = H - 1; i >= 0; i--) { for (ll j = W - 1; j >= 0; j--) { if (S[i][j] == '.') { continue; } if (i < H - 1 && j < W - 1) { sum4[i][j] += sum4[i + 1][j + 1]; } } } // debug(sum1); // debug(sum2); // debug(sum3); // debug(sum4); vector<vector<ll>> radius(H, vector<ll>(W, 0)); for (ll i = 0; i < H; i++) { for (ll j = 0; j < W; j++) { ll r = sum1[i][j]; r = min(r, min(sum2[i][j], min(sum3[i][j], sum4[i][j]))); radius[i][j] = r; } } // debug(radius); // あとは塗れるだけ実際に塗ってみて確かめよう vector<vector<ll>> imos1(H, vector<ll>(W, 0)); vector<vector<ll>> imos2(H, vector<ll>(W, 0)); vector<vector<ll>> imos3(H, vector<ll>(W, 0)); vector<vector<ll>> imos4(H, vector<ll>(W, 0)); for (ll i = 0; i < H; i++) { for (ll j = 0; j < W; j++) { if (radius[i][j] >= 2) { ll r = radius[i][j]; imos1[i][j] += 1; if (i + r < H && j + r < W) { imos1[i + r][j + r]--; } imos2[i][j] += 1; if (i + r < H && j - r >= 0) { imos2[i + r][j - r]--; } imos3[i][j] += 1; if (i - r >= 0 && j + r < W) { imos3[i - r][j + r]--; } imos4[i][j] += 1; if (i - r >= 0 && j - r >= 0) { imos4[i - r][j - r]--; } } } } for (ll i = 0; i < H; i++) { for (ll j = 0; j < W; j++) { if (i > 0 && j > 0) { imos1[i][j] += imos1[i - 1][j - 1]; } } } for (ll i = 0; i < H; i++) { for (ll j = W - 1; j >= 0; j--) { if (i > 0 && j < W - 1) { imos2[i][j] += imos2[i - 1][j + 1]; } } } for (ll i = H - 1; i >= 0; i--) { for (ll j = 0; j < W; j++) { if (i < H - 1 && j > 0) { imos3[i][j] += imos3[i + 1][j - 1]; } } } for (ll i = H - 1; i >= 0; i--) { for (ll j = W - 1; j >= 0; j--) { if (i < H - 1 && j < W - 1) { imos4[i][j] += imos4[i + 1][j + 1]; } } } bool pos = true; for (ll i = 0; i < H; i++) { for (ll j = 0; j < W; j++) { if (S[i][j] == '#') { if (imos1[i][j] + imos2[i][j] + imos3[i][j] + imos4[i][j] == 0) { pos = false; } } } } if (pos) { cout << "Yes" << endl; } else { cout << "No" << endl; } }