結果
問題 | No.2641 draw X |
ユーザー | pitP |
提出日時 | 2024-02-19 23:19:05 |
言語 | C++17 (gcc 12.3.0 + boost 1.83.0) |
結果 |
WA
|
実行時間 | - |
コード長 | 5,881 bytes |
コンパイル時間 | 4,534 ms |
コンパイル使用メモリ | 274,952 KB |
実行使用メモリ | 75,136 KB |
最終ジャッジ日時 | 2024-09-29 03:01:45 |
合計ジャッジ時間 | 9,662 ms |
ジャッジサーバーID (参考情報) |
judge3 / judge5 |
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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
6,820 KB |
testcase_01 | AC | 2 ms
6,816 KB |
testcase_02 | AC | 2 ms
6,816 KB |
testcase_03 | AC | 2 ms
6,820 KB |
testcase_04 | AC | 2 ms
6,816 KB |
testcase_05 | AC | 2 ms
6,816 KB |
testcase_06 | AC | 2 ms
6,820 KB |
testcase_07 | AC | 2 ms
6,816 KB |
testcase_08 | WA | - |
testcase_09 | AC | 2 ms
6,820 KB |
testcase_10 | AC | 2 ms
6,820 KB |
testcase_11 | RE | - |
testcase_12 | RE | - |
testcase_13 | AC | 2 ms
6,820 KB |
testcase_14 | AC | 2 ms
6,816 KB |
testcase_15 | AC | 73 ms
75,136 KB |
testcase_16 | AC | 73 ms
75,008 KB |
testcase_17 | AC | 2 ms
6,820 KB |
testcase_18 | AC | 1 ms
6,820 KB |
testcase_19 | RE | - |
testcase_20 | RE | - |
testcase_21 | RE | - |
testcase_22 | RE | - |
testcase_23 | RE | - |
testcase_24 | RE | - |
testcase_25 | RE | - |
testcase_26 | RE | - |
testcase_27 | RE | - |
testcase_28 | RE | - |
testcase_29 | RE | - |
testcase_30 | RE | - |
testcase_31 | RE | - |
testcase_32 | RE | - |
testcase_33 | RE | - |
testcase_34 | RE | - |
testcase_35 | RE | - |
testcase_36 | RE | - |
testcase_37 | RE | - |
testcase_38 | RE | - |
testcase_39 | AC | 74 ms
73,984 KB |
testcase_40 | RE | - |
testcase_41 | AC | 61 ms
64,128 KB |
testcase_42 | RE | - |
testcase_43 | AC | 67 ms
65,024 KB |
ソースコード
#include <bits/stdc++.h> #include <atcoder/all> using namespace std; using namespace atcoder; istream &operator>>(istream &is, modint &a) { long long v; is >> v; a = v; return is; } ostream &operator<<(ostream &os, const modint &a) { return os << a.val(); } istream &operator>>(istream &is, modint998244353 &a) { long long v; is >> v; a = v; return is; } ostream &operator<<(ostream &os, const modint998244353 &a) { return os << a.val(); } istream &operator>>(istream &is, modint1000000007 &a) { long long v; is >> v; a = v; return is; } ostream &operator<<(ostream &os, const modint1000000007 &a) { return os << a.val(); } typedef long long ll; typedef vector<vector<int>> Graph; typedef pair<int, int> pii; typedef pair<ll, ll> pll; #define FOR(i,l,r) for (int i = l;i < (int)(r); i++) #define rep(i,n) for (int i = 0;i < (int)(n); i++) #define all(x) x.begin(), x.end() #define rall(x) x.rbegin(), x.rend() #define my_sort(x) sort(x.begin(), x.end()) #define my_max(x) *max_element(all(x)) #define my_min(x) *min_element(all(x)) 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; } const int INF = (1<<30) - 1; const ll LINF = (1LL<<62) - 1; const int MOD = 998244353; const int MOD2 = 1e9+7; const double PI = acos(-1); vector<int> di = {1,0,-1,0}; vector<int> dj = {0,1,0,-1}; #ifdef LOCAL # include <debug_print.hpp> # define debug(...) debug_print::multi_print(#__VA_ARGS__, __VA_ARGS__) #else # define debug(...) (static_cast<void>(0)) #endif struct cumulative_sum_2d{ int H,W; vector<vector<ll>> val; vector<vector<ll>> wa; cumulative_sum_2d(int H_input, int W_input){init(H_input,W_input);} void init(int H_input, int W_input){ H = H_input; W = W_input; val.assign(H,vector<ll>(W,0ll)); wa.assign(H+1,vector<ll>(W+1,0ll)); } void set(int i, int j, ll value){ val[i][j] = value; } void add(int i, int j, ll value){ val[i][j] += value; } void build(){ for(int i=0;i<H;i++){ for(int j=0;j<W;j++){ wa[i+1][j+1] = wa[i][j+1] + wa[i+1][j] - wa[i][j] + val[i][j]; } } } // [i1, i2) x [j1, j2) ll query(int i1,int j1, int i2, int j2){ return wa[i2][j2] - wa[i2][j1] - wa[i1][j2] + wa[i1][j1]; } }; int main(){ cin.tie(0); ios_base::sync_with_stdio(false); int H, W; cin >> H >> W; vector<string> S(H); rep(i,H) cin >> S[i]; vector A(2 * H, vector<int>(2 * W)); auto id = [&](int i, int j){ return make_pair(i + j, i - j + W); }; rep(i,H)rep(j,W){ auto [ni, nj] = id(i, j); if(S[i][j]=='#'){ A[ni][nj] = 1; } } debug(A); vector even(H, vector<ll>(W)); vector odd(H, vector<ll>(W)); rep(i,H)rep(j,W) { even[i][j] = A[2 * i][2 * j + 1]; odd[i][j] = A[2 * i + 1][2 * j]; } debug(even, odd); cumulative_sum_2d e_acc(H, W); cumulative_sum_2d o_acc(H, W); rep(i,H)rep(j,W){ e_acc.add(i,j,even[i][j]); o_acc.add(i,j,odd[i][j]); } e_acc.build(); o_acc.build(); vector e_imos(H + 1, vector<int>(W + 1)); vector o_imos(H + 1, vector<int>(W + 1)); rep(i,H)rep(j,W){ if(even[i][j]){ int ok = 0, ng = 1 << 30; while(abs(ok - ng) > 1){ int mid = (ok + ng) / 2; bool is_ok = true; rep(d,4){ int ni = i + di[d] * mid; int nj = j + dj[d] * mid; if(ni < 0 || ni >= H || nj < 0 || nj >= W){ is_ok = false; continue; } is_ok &= e_acc.query(min(i,ni),min(j,nj),max(i,ni) + 1,max(j,nj) + 1) == mid + 1; } if(is_ok) ok = mid; else ng = mid; } if(ok == 0)continue; debug(ok, i, j); e_imos[i - ok][j]++; e_imos[i - ok][j + 1]--; e_imos[i + ok + 1][j]--; e_imos[i + ok + 1][j + 1]++; e_imos[i][j - ok]++; e_imos[i + 1][j - ok]--; e_imos[i][j + ok + 1]--; e_imos[i + 1][j + ok + 1]++; } if(odd[i][j]){ int ok = 0, ng = 1 << 30; while(abs(ok - ng) > 1){ int mid = (ok + ng) / 2; bool is_ok = true; rep(d,4){ int ni = i + di[d] * mid; int nj = j + dj[d] * mid; if(ni < 0 || ni >= H || nj < 0 || nj >= W){ is_ok = false; continue; } is_ok &= o_acc.query(min(i,ni),min(j,nj),max(i,ni) + 1,max(j,nj) + 1) == mid + 1; } if(is_ok) ok = mid; else ng = mid; } if(ok == 0)continue; debug(ok, i, j); o_imos[i - ok][j]++; o_imos[i - ok][j + 1]--; o_imos[i + ok + 1][j]--; o_imos[i + ok + 1][j + 1]++; o_imos[i][j - ok]++; o_imos[i + 1][j - ok]--; o_imos[i][j + ok + 1]--; o_imos[i + 1][j + ok + 1]++; } } rep(i,H)rep(j,W){ e_imos[i + 1][j] += e_imos[i][j]; o_imos[i + 1][j] += o_imos[i][j]; } rep(i,H)rep(j,W){ e_imos[i][j + 1] += e_imos[i][j]; o_imos[i][j + 1] += o_imos[i][j]; } debug(e_imos, o_imos); bool f = true; rep(i,H)rep(j,W){ if(even[i][j] > 0){ f &= e_imos[i][j] > 0; } if(odd[i][j] > 0){ f &= o_imos[i][j] > 0; } } cout << (f ? "Yes" : "No") << endl; }