結果
問題 | No.1266 7 Colors |
ユーザー | polylogK |
提出日時 | 2020-10-23 22:46:04 |
言語 | C++17 (gcc 13.3.0 + boost 1.87.0) |
結果 |
AC
|
実行時間 | 165 ms / 3,000 ms |
コード長 | 2,963 bytes |
コンパイル時間 | 2,306 ms |
コンパイル使用メモリ | 202,952 KB |
最終ジャッジ日時 | 2025-01-15 13:40:08 |
ジャッジサーバーID (参考情報) |
judge1 / judge3 |
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ファイルパターン | 結果 |
---|---|
sample | AC * 3 |
other | AC * 19 |
コンパイルメッセージ
002.cpp: In function ‘int main()’: 002.cpp:62:11: warning: format ‘%d’ expects argument of type ‘int’, but argument 2 has type ‘union_find::size_type’ {aka ‘long int’} [-Wformat=] 002.cpp:20:20: warning: ignoring return value of ‘int scanf(const char*, ...)’ declared with attribute ‘warn_unused_result’ [-Wunused-result] 002.cpp:26:8: warning: ignoring return value of ‘int scanf(const char*, ...)’ declared with attribute ‘warn_unused_result’ [-Wunused-result] 002.cpp:50:24: warning: ignoring return value of ‘int scanf(const char*, ...)’ declared with attribute ‘warn_unused_result’ [-Wunused-result]
ソースコード
#line 1 "002.cpp" #include <bits/stdc++.h> using namespace std::literals::string_literals; using i64 = std::int_fast64_t; using std::cout; using std::cerr; using std::endl; using std::cin; template<typename T> std::vector<T> make_v(size_t a){return std::vector<T>(a);} template<typename T,typename... Ts> auto make_v(size_t a,Ts... ts){ return std::vector<decltype(make_v<T>(ts...))>(a,make_v<T>(ts...)); } #line 1 "/home/ecasdqina/cpcpp/libs/library_cpp/data_structure/union_find.hpp" #line 6 "/home/ecasdqina/cpcpp/libs/library_cpp/data_structure/union_find.hpp" class union_find { public: using size_type = std::int_fast32_t; using container = std::vector<size_type>; container data; size_type comp_cnt; private: const size_type find(size_type k) { if(data[k] < 0) return k; return data[k] = find(data[k]); } public: union_find() = default; union_find(const union_find &) = default; union_find(union_find&&) = default; union_find & operator=(const union_find &) = default; union_find & operator=(union_find &&) = default; union_find(size_type N): data(N, -1), comp_cnt(N) {} bool unite(size_type x, size_type y) { x = find(x); y = find(y); if(x == y) return false; if(data[x] > data[y]) std::swap(x, y); data[x] += data[y]; data[y] = x; comp_cnt--; return true; } bool is_united(size_type x, size_type y) { return find(x) == find(y); } size_type size() const { return data.size(); } size_type size(size_type k) { return -data[find(k)]; } size_type comp(size_type k) { return find(k); }; size_type count() const { return comp_cnt; } size_type operator[](size_type k) { return find(k); } void swap(union_find & r) { data.swap(r.data); std::swap(comp_cnt, r.comp_cnt); } }; #line 18 "002.cpp" int main() { int n, m, q; scanf("%d%d%d", &n, &m, &q); std::vector<std::string> color(n); std::vector<int> x(m), y(m); std::vector<std::vector<int>> g(n); for(int i = 0; i < n; i++) std::cin >> color[i]; for(int i = 0; i < m; i++) { scanf("%d%d", &x[i], &y[i]); x[i]--; y[i]--; g[x[i]].push_back(i); g[y[i]].push_back(i); } union_find uf(n * 7); for(int i = 0; i < n; i++) { for(int j = 0; j < 7; j++) { if(color[i][j] == '1' and color[i][(j + 1) % 7] == '1') { uf.unite(j * n + i, (j + 1) % 7 * n + i); } } } for(int i = 0; i < m; i++) { for(int j = 0; j < 7; j++) { if(color[x[i]][j] == '1' and color[y[i]][j] == '1') { uf.unite(j * n + x[i], j * n + y[i]); } } } while(q--) { int type, a, b; scanf("%d%d%d", &type, &a, &b); a--; b--; if(type == 1) { color[a][b] = '1'; if(color[a][(b + 6) % 7] == '1') uf.unite(b * n + a, (b + 6) % 7 * n + a); if(color[a][(b + 1) % 7] == '1') uf.unite(b * n + a, (b + 1) % 7 * n + a); for(auto id: g[a]) { int to = x[id] ^ y[id] ^ a; if(color[to][b] != '1') continue; uf.unite(b * n + a, b * n + to); } } else if(type == 2) { printf("%d\n", uf.size(a)); } } return 0; }