結果
問題 | No.1266 7 Colors |
ユーザー |
|
提出日時 | 2020-10-23 22:38:25 |
言語 | C++17 (gcc 13.3.0 + boost 1.87.0) |
結果 |
AC
|
実行時間 | 142 ms / 3,000 ms |
コード長 | 3,881 bytes |
コンパイル時間 | 2,295 ms |
コンパイル使用メモリ | 202,844 KB |
最終ジャッジ日時 | 2025-01-15 13:34:05 |
ジャッジサーバーID (参考情報) |
judge2 / judge2 |
(要ログイン)
ファイルパターン | 結果 |
---|---|
sample | AC * 3 |
other | AC * 19 |
ソースコード
//@formatter:off#include<bits/stdc++.h>#define rep(i,n) for (int i = 0; i < int(n); ++i)#define rrep(i,n) for (int i = int(n)-1; i >= 0; i--)#define rep2(i,s,n) for (int i = int(s); i < int(n); ++i)#define all(a) a.begin(),a.end()#define rall(a) a.rbegin(),a.rend()#define pb push_back#define eb emplace_back#define vi vector<int>#define vvi vector<vector<int>>#define vl vector<ll>#define vvl vector<vector<ll>>#define vd vector<double>#define vvd vector<vector<double>>#define vs vector<string>#define vc vector<char>#define vvc vector<vector<char>>#define vb vector<bool>#define vvb vector<vector<bool>>#define vp vector<P>#define vvp vector<vector<P>>using namespace std;using ll = long long;using P = pair<int,int>;using LP = pair<ll,ll>;template<class S,class T> istream& operator>>(istream &is,pair<S,T> &p) { return is >> p.first >> p.second; }template<class S,class T> ostream& operator<<(ostream &os,const pair<S,T> &p) { return os<<'{'<<p.first<<","<<p.second<<'}'; }template<class T> istream& operator>>(istream &is,vector<T> &v) { for(T &t:v){is>>t;} return is; }template<class T> ostream& operator<<(ostream &os,const vector<T> &v) { os<<'[';rep(i,v.size())os<<v[i]<<(i==int(v.size()-1)?"":","); return os<<']';}void Yes(bool b) { cout << (b ? "Yes" : "No") << '\n'; }void YES(bool b) { cout << (b ? "YES" : "NO") << '\n'; }template<class T> bool chmin(T& a,T b) {if(a > b){a = b; return true;} return false;}template<class T> bool chmax(T& a,T b) {if(a < b){a = b; return true;} return false;}const int inf = 1001001001;const ll linf = 1001001001001001001;//@formatter:onclass unionfind {int n;vector<int> par, rank;public:unionfind(int n) : n(n), par(n, -1), rank(n, 0) {}int root(int x) {if (par[x] < 0) return x;else return par[x] = root(par[x]);}bool same(int x, int y) { return root(x) == root(y); };bool merge(int x, int y) {x = root(x);y = root(y);if (x == y) return false;if (rank[x] < rank[y]) swap(x, y);if (rank[x] == rank[y]) rank[x]++;par[x] += par[y];par[y] = x;return true;}int size(int x) { return -par[root(x)]; };bool connected() {rep(i, n - 1) if (!same(i, i + 1)) return false;return true;}};int main() {ios::sync_with_stdio(false);cin.tie(nullptr);cout.tie(nullptr);int n, m, q;cin >> n >> m >> q;vi s(n);rep(i, n) {string t;cin >> t;rep(j, 7) if (t[j] == '1') s[i] += 1 << j;}unionfind uf(n * 7);rep(i, n) {rep(j, 7) {if (s[i] >> j & 1) {int a = (j - 1 + 7) % 7, b = (j + 1) % 7;if (s[i] >> a & 1) {uf.merge(i * 7 + j, i * 7 + a);}if (s[i] >> b & 1) {uf.merge(i * 7 + j, i * 7 + b);}}}}vvi G(n);rep(_, m) {int u, v;cin >> u >> v;u--;v--;rep(j, 7) {if (s[u] >> j & 1 and s[v] >> j & 1) uf.merge(u * 7 + j, v * 7 + j);}G[u].pb(v);G[v].pb(u);}while (q--) {int t, x, y;cin >> t >> x >> y;x--;y--;if (t == 1) {s[x] |= 1 << y;int a = (y - 1 + 7) % 7, b = (y + 1) % 7;if (s[x] >> a & 1) {uf.merge(x * 7 + y, x * 7 + a);}if (s[x] >> b & 1) {uf.merge(x * 7 + y, x * 7 + b);}for (int v : G[x]) {if (s[v] >> y & 1) {uf.merge(x * 7 + y, v * 7 + y);}}} else {cout << uf.size(x * 7) << '\n';}}}