結果
問題 | No.2824 Lights Up! (Grid Edition) |
ユーザー | 👑 AngrySadEight |
提出日時 | 2024-07-13 20:08:47 |
言語 | C++17 (gcc 12.3.0 + boost 1.83.0) |
結果 |
WA
|
実行時間 | - |
コード長 | 5,252 bytes |
コンパイル時間 | 5,679 ms |
コンパイル使用メモリ | 229,484 KB |
実行使用メモリ | 30,832 KB |
最終ジャッジ日時 | 2024-07-26 20:31:43 |
合計ジャッジ時間 | 17,057 ms |
ジャッジサーバーID (参考情報) |
judge2 / 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 | AC | 2 ms
6,812 KB |
testcase_01 | AC | 2 ms
6,812 KB |
testcase_02 | AC | 2 ms
6,944 KB |
testcase_03 | AC | 3 ms
6,940 KB |
testcase_04 | AC | 30 ms
6,944 KB |
testcase_05 | AC | 50 ms
13,440 KB |
testcase_06 | AC | 32 ms
6,940 KB |
testcase_07 | WA | - |
testcase_08 | AC | 30 ms
6,944 KB |
testcase_09 | AC | 52 ms
13,440 KB |
testcase_10 | AC | 30 ms
6,940 KB |
testcase_11 | AC | 769 ms
22,396 KB |
testcase_12 | AC | 29 ms
6,940 KB |
testcase_13 | AC | 743 ms
22,320 KB |
testcase_14 | AC | 29 ms
6,940 KB |
testcase_15 | AC | 903 ms
30,276 KB |
testcase_16 | AC | 27 ms
6,944 KB |
testcase_17 | AC | 727 ms
21,784 KB |
testcase_18 | AC | 29 ms
6,940 KB |
testcase_19 | AC | 936 ms
30,832 KB |
testcase_20 | AC | 9 ms
6,944 KB |
testcase_21 | AC | 34 ms
9,600 KB |
testcase_22 | AC | 3 ms
6,940 KB |
testcase_23 | AC | 613 ms
20,996 KB |
testcase_24 | AC | 2 ms
6,940 KB |
testcase_25 | AC | 28 ms
6,940 KB |
testcase_26 | AC | 12 ms
6,940 KB |
testcase_27 | AC | 528 ms
21,348 KB |
testcase_28 | AC | 2 ms
6,944 KB |
testcase_29 | AC | 63 ms
6,940 KB |
testcase_30 | AC | 3 ms
6,940 KB |
testcase_31 | AC | 2 ms
6,944 KB |
testcase_32 | AC | 4 ms
6,944 KB |
testcase_33 | AC | 3 ms
6,940 KB |
testcase_34 | AC | 2 ms
6,940 KB |
testcase_35 | AC | 3 ms
6,940 KB |
testcase_36 | AC | 2 ms
6,944 KB |
testcase_37 | AC | 3 ms
6,944 KB |
testcase_38 | AC | 3 ms
6,940 KB |
testcase_39 | AC | 2 ms
6,944 KB |
testcase_40 | AC | 2 ms
6,944 KB |
testcase_41 | AC | 2 ms
6,940 KB |
testcase_42 | AC | 2 ms
6,940 KB |
testcase_43 | AC | 2 ms
6,940 KB |
testcase_44 | AC | 2 ms
6,944 KB |
testcase_45 | AC | 2 ms
6,940 KB |
testcase_46 | AC | 2 ms
6,944 KB |
testcase_47 | AC | 2 ms
6,940 KB |
testcase_48 | AC | 2 ms
6,940 KB |
testcase_49 | WA | - |
testcase_50 | AC | 1 ms
6,940 KB |
testcase_51 | AC | 2 ms
6,940 KB |
testcase_52 | AC | 2 ms
6,940 KB |
testcase_53 | AC | 2 ms
6,944 KB |
testcase_54 | AC | 2 ms
6,940 KB |
testcase_55 | AC | 2 ms
6,944 KB |
testcase_56 | AC | 2 ms
6,944 KB |
testcase_57 | AC | 2 ms
6,944 KB |
testcase_58 | AC | 2 ms
6,940 KB |
testcase_59 | AC | 2 ms
6,940 KB |
testcase_60 | AC | 2 ms
6,944 KB |
testcase_61 | AC | 2 ms
6,944 KB |
testcase_62 | AC | 2 ms
6,940 KB |
testcase_63 | AC | 2 ms
6,944 KB |
testcase_64 | AC | 2 ms
6,940 KB |
testcase_65 | AC | 2 ms
6,944 KB |
testcase_66 | AC | 2 ms
6,944 KB |
testcase_67 | AC | 2 ms
6,944 KB |
testcase_68 | AC | 2 ms
6,940 KB |
testcase_69 | AC | 2 ms
6,944 KB |
testcase_70 | AC | 2 ms
6,940 KB |
testcase_71 | AC | 2 ms
6,944 KB |
testcase_72 | AC | 2 ms
6,940 KB |
testcase_73 | AC | 2 ms
6,940 KB |
testcase_74 | AC | 2 ms
6,940 KB |
testcase_75 | AC | 2 ms
6,948 KB |
testcase_76 | AC | 2 ms
6,944 KB |
testcase_77 | AC | 2 ms
6,944 KB |
testcase_78 | AC | 2 ms
6,940 KB |
testcase_79 | AC | 1 ms
6,944 KB |
testcase_80 | AC | 2 ms
6,940 KB |
testcase_81 | AC | 2 ms
6,940 KB |
testcase_82 | AC | 2 ms
6,940 KB |
testcase_83 | WA | - |
testcase_84 | AC | 2 ms
6,940 KB |
testcase_85 | AC | 2 ms
6,944 KB |
testcase_86 | AC | 2 ms
6,944 KB |
testcase_87 | AC | 2 ms
6,944 KB |
testcase_88 | AC | 2 ms
6,944 KB |
testcase_89 | AC | 2 ms
6,944 KB |
testcase_90 | AC | 2 ms
6,940 KB |
testcase_91 | AC | 2 ms
6,940 KB |
testcase_92 | AC | 2 ms
6,940 KB |
testcase_93 | AC | 2 ms
6,940 KB |
testcase_94 | AC | 2 ms
6,940 KB |
testcase_95 | AC | 2 ms
6,944 KB |
testcase_96 | AC | 2 ms
6,944 KB |
testcase_97 | AC | 2 ms
6,940 KB |
testcase_98 | AC | 2 ms
6,940 KB |
testcase_99 | AC | 2 ms
6,940 KB |
testcase_100 | AC | 2 ms
6,944 KB |
testcase_101 | AC | 1 ms
6,940 KB |
testcase_102 | AC | 2 ms
6,944 KB |
testcase_103 | AC | 2 ms
6,944 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 N; cin >> N; vector<string> S(N); for (ll i = 0; i < N; i++) { cin >> S[i]; } vector<ll> rows(N, 0); vector<ll> cols(N, 0); for (ll i = 0; i < N; i++) { for (ll j = 0; j < N; j++) { if (S[i][j] == '#') { rows[i]++; cols[j]++; } } } for (ll i = 0; i < N; i++) { if (rows[i] % 2 == 1) { cout << -1 << endl; return 0; } if (cols[i] % 2 == 1) { cout << -1 << endl; return 0; } } vector<vector<ll>> sums(N + 1, vector<ll>(N + 1, 0)); for (ll i = 0; i < N; i++) { for (ll j = 0; j < N; j++) { if (S[i][j] == '#') { sums[i + 1][j + 1] += 1; } sums[i + 1][j + 1] += (sums[i + 1][j] + sums[i][j + 1] - sums[i][j] + 2) % 2; sums[i + 1][j + 1] %= 2; } } vector<ll> rows2(N - 1); vector<ll> cols2(N - 1); for (ll i = 1; i < N; i++) { for (ll j = 1; j < N; j++) { if (sums[i][j] == 1) { rows2[i - 1] += 1; cols2[j - 1] += 1; rows2[i - 1] %= 2; cols2[j - 1] %= 2; } } } if (N % 2 == 1) { vector<pll> ans(0); for (ll i = 1; i < N; i++) { for (ll j = 1; j < N; j++) { if ((rows2[i - 1] + cols2[j - 1] + 2 - sums[i][j]) % 2 == 1) { ans.push_back(pll(i, j)); } } } ll len = ans.size(); cout << len << endl; for (ll i = 0; i < len; i++) { cout << ans[i].first << " " << ans[i].second << endl; } } else { bool all_odd = true; bool all_even = true; for (ll i = 0; i < N - 1; i++) { if (rows2[i] % 2 == 1 || cols2[i] % 2 == 1) { all_even = false; } if (rows2[i] % 2 == 0 || cols2[i] % 2 == 1) { all_odd = false; } } if (!all_odd && !all_even) { cout << -1 << endl; } else { vector<pll> ans(0); for (ll i = 1; i < N; i++) { for (ll j = 1; j < N; j++) { if (sums[i][j] == 1) { ans.push_back(pll(i, j)); } } } ll len = ans.size(); cout << len << endl; for (ll i = 0; i < len; i++) { cout << ans[i].first << " " << ans[i].second << endl; } } } }