結果
問題 | No.1266 7 Colors |
ユーザー | Fu_L |
提出日時 | 2024-03-02 14:22:47 |
言語 | C++17 (gcc 12.3.0 + boost 1.83.0) |
結果 |
AC
|
実行時間 | 113 ms / 3,000 ms |
コード長 | 4,238 bytes |
コンパイル時間 | 2,230 ms |
コンパイル使用メモリ | 215,092 KB |
実行使用メモリ | 16,120 KB |
最終ジャッジ日時 | 2024-09-29 15:55:44 |
合計ジャッジ時間 | 6,921 ms |
ジャッジサーバーID (参考情報) |
judge1 / 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 | 2 ms
6,816 KB |
testcase_01 | AC | 2 ms
6,820 KB |
testcase_02 | AC | 2 ms
6,816 KB |
testcase_03 | AC | 83 ms
9,728 KB |
testcase_04 | AC | 110 ms
14,208 KB |
testcase_05 | AC | 83 ms
9,728 KB |
testcase_06 | AC | 109 ms
14,976 KB |
testcase_07 | AC | 109 ms
15,916 KB |
testcase_08 | AC | 107 ms
14,336 KB |
testcase_09 | AC | 98 ms
12,672 KB |
testcase_10 | AC | 94 ms
12,288 KB |
testcase_11 | AC | 85 ms
10,496 KB |
testcase_12 | AC | 86 ms
10,880 KB |
testcase_13 | AC | 96 ms
11,520 KB |
testcase_14 | AC | 77 ms
9,600 KB |
testcase_15 | AC | 113 ms
16,092 KB |
testcase_16 | AC | 87 ms
11,008 KB |
testcase_17 | AC | 107 ms
15,664 KB |
testcase_18 | AC | 63 ms
16,120 KB |
testcase_19 | AC | 66 ms
16,092 KB |
testcase_20 | AC | 64 ms
16,068 KB |
testcase_21 | AC | 38 ms
6,816 KB |
ソースコード
#include <bits/stdc++.h> using namespace std; using ll = long long; using P = pair<ll, ll>; #define rep(i, a, b) for(ll i = a; i < b; ++i) #define rrep(i, a, b) for(ll i = a; i >= b; --i) constexpr ll inf = 4e18; struct SetupIO { SetupIO() { ios::sync_with_stdio(0); cin.tie(0); cout << fixed << setprecision(30); } } setup_io; template <typename T = int> struct Edge { int from, to; T cost; int idx; Edge() : from(-1), to(-1), cost(-1), idx(-1) {} Edge(int from, int to, T cost = 1, int idx = -1) : from(from), to(to), cost(cost), idx(idx) {} operator int() const { return to; } }; template <typename T = int> struct Graph { Graph(int N) : n(N), es(0), g(N) {} int size() const { return n; } int edge_size() const { return es; } void add_edge(int from, int to, T cost = 1) { assert(0 <= from and from < n); assert(0 <= to and to < n); g[from].emplace_back(from, to, cost, es); g[to].emplace_back(to, from, cost, es++); } void add_directed_edge(int from, int to, T cost = 1) { assert(0 <= from and from < n); assert(0 <= to and to < n); g[from].emplace_back(from, to, cost, es++); } inline vector<Edge<T>>& operator[](const int& k) { assert(0 <= k and k < n); return g[k]; } inline const vector<Edge<T>>& operator[](const int& k) const { assert(0 <= k and k < n); return g[k]; } private: int n, es; vector<vector<Edge<T>>> g; }; template <typename T = int> using Edges = vector<Edge<T>>; struct UnionFind { UnionFind(int N) : n(N), data(N, -1) {} int merge(int a, int b) { assert(0 <= a and a < n); assert(0 <= b and b < n); int x = leader(a), y = leader(b); if(x == y) return x; if(-data[x] < -data[y]) swap(x, y); data[x] += data[y]; data[y] = x; return x; } bool same(int a, int b) { assert(0 <= a and a < n); assert(0 <= b and b < n); return leader(a) == leader(b); } int leader(int a) { assert(0 <= a and a < n); if(data[a] < 0) return a; return data[a] = leader(data[a]); } int size(int a) { assert(0 <= a and a < n); return -data[leader(a)]; } vector<vector<int>> groups() { vector<int> leader_buf(n), group_size(n); for(int i = 0; i < n; ++i) { leader_buf[i] = leader(i); ++group_size[leader_buf[i]]; } vector<vector<int>> result(n); for(int i = 0; i < n; ++i) { result[i].reserve(group_size[i]); } for(int i = 0; i < n; ++i) { result[leader_buf[i]].push_back(i); } result.erase(remove_if(result.begin(), result.end(), [&](const vector<int>& v) { return v.empty(); }), result.end()); return result; } private: int n; vector<int> data; }; int main(void) { int n, m, q; cin >> n >> m >> q; UnionFind uf(7 * n); vector<string> s(n); rep(i, 0, n) { cin >> s[i]; rep(j, 0, 7) { if(s[i][j] == '1' and s[i][(j + 1) % 7] == '1') { uf.merge(7 * i + j, 7 * i + (j + 1) % 7); } } } Graph<int> g(n); rep(i, 0, m) { int u, v; cin >> u >> v; u--; v--; g.add_edge(u, v); rep(j, 0, 7) { if(s[u][j] == '1' and s[v][j] == '1') { uf.merge(7 * u + j, 7 * v + j); } } } while(q--) { int t, x, y; cin >> t >> x >> y; x--; y--; if(t == 1) { s[x][y] = '1'; if(s[x][(y + 6) % 7] == '1') { uf.merge(7 * x + (y + 6) % 7, 7 * x + y); } if(s[x][(y + 1) % 7] == '1') { uf.merge(7 * x + y, 7 * x + (y + 1) % 7); } for(int to : g[x]) { if(s[to][y] == '1') { uf.merge(7 * x + y, 7 * to + y); } } } else { cout << uf.size(7 * x) << '\n'; } } }