結果

問題 No.1266 7 Colors
ユーザー uchiiiiuchiiii
提出日時 2020-10-24 01:33:15
言語 C++17
(gcc 12.3.0 + boost 1.83.0)
結果
AC  
実行時間 132 ms / 3,000 ms
コード長 5,983 bytes
コンパイル時間 3,702 ms
コンパイル使用メモリ 230,288 KB
実行使用メモリ 17,704 KB
最終ジャッジ日時 2024-07-21 14:44:11
合計ジャッジ時間 6,258 ms
ジャッジサーバーID
(参考情報)
judge1 / judge4
このコードへのチャレンジ
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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
6,816 KB
testcase_02 AC 1 ms
6,940 KB
testcase_03 AC 74 ms
6,940 KB
testcase_04 AC 110 ms
13,184 KB
testcase_05 AC 80 ms
6,940 KB
testcase_06 AC 119 ms
14,336 KB
testcase_07 AC 132 ms
15,868 KB
testcase_08 AC 114 ms
13,440 KB
testcase_09 AC 101 ms
11,136 KB
testcase_10 AC 96 ms
10,368 KB
testcase_11 AC 79 ms
7,680 KB
testcase_12 AC 87 ms
8,576 KB
testcase_13 AC 88 ms
9,344 KB
testcase_14 AC 77 ms
6,944 KB
testcase_15 AC 122 ms
16,160 KB
testcase_16 AC 88 ms
8,576 KB
testcase_17 AC 126 ms
15,336 KB
testcase_18 AC 66 ms
17,704 KB
testcase_19 AC 67 ms
17,224 KB
testcase_20 AC 67 ms
17,340 KB
testcase_21 AC 41 ms
6,940 KB
権限があれば一括ダウンロードができます

ソースコード

diff #

#pragma GCC target("avx2")
#pragma GCC optimize("03")
#pragma GCC optimize("unroll-loops")
#include <bits/stdc++.h>
using namespace std; using ld = long double; using ll = long long;
using ull = unsigned long long;
#define endl "\n"
#define FOR(i,a,b) for(int i=(a);i<=(b);i++)
#define rep(i,n) for(int i=0;i<(n);i++)
#define REP(i,a,b) for(int i=(a);i<(b);i++)
#define PII pair<int, int>
#define PLL pair<ll, ll>
#define ALL(x) (x).begin(), (x).end()
#define QUERY int num_query;cin>>num_query; while(num_query--)
// int dx[] = {1, 0, -1, 0}; int dy[] = {0, 1, 0, -1};
constexpr int INF=1<<30;
constexpr ll LINF=1LL<<60; 
constexpr ll mod=1e9+7;
void flush() {cout<<flush;}
template <typename T> static constexpr T inf = numeric_limits<T>::max()/2;
template<class T>vector<T> vec(int len, T elem) { return vector<T>(len, elem); } // auto dp = vec(52, vec(103, vec(103, INF)));
template<class T>inline bool chmax(T &a, const T &b) { if (a<b) { a = b; return 1; } return 0; }
template<class T>inline bool chmin(T &a, const T &b) { if (b<a) { a = b; return 1; } return 0; }
template<class T>inline int popcount(T a) {return __builtin_popcountll(a);}
template<class T>inline T emod(T a, T p) { return (a%p + p) % p;}
template <typename T1, typename T2> ostream &operator<<(ostream &os, const pair<T1, T2> &pa) { os << '(' << pa.first << ',' << pa.second << ')'; return os; }
template <typename TK, typename TV> ostream &operator<<(ostream &os, const map<TK, TV> &mp) { os << '{'; for (auto v : mp) os << v.first << "=>" << v.second << ','; os << '}'; return os; }
template <typename TK, typename TV> ostream &operator<<(ostream &os, const unordered_map<TK, TV> &mp) { os << '{'; for (auto v : mp) os << v.first << "=>" << v.second << ','; os << '}'; return os; }
template <typename T> istream &operator>>(istream &is, vector<T> &vec) { for (auto &v : vec) is >> v; return is; }
template <typename T> ostream &operator<<(ostream &os, const vector<T> &vec) {os << '\n'; for (auto v : vec) os << v << ' '; os << '\n'; return os;}
template <typename T> ostream &operator<<(ostream &os, const deque<T> &vec) { os << "deq["; for (auto v : vec) os << v << ','; os << ']'; return os; }
template <typename T> ostream &operator<<(ostream &os, const set<T> &vec) { os << '{'; for (auto v : vec) os << v << ','; os << '}'; return os; }
template <typename T> ostream &operator<<(ostream &os, const unordered_set<T> &vec) { os << '{'; for (auto v : vec) os << v << ','; os << '}'; return os; }
template <typename T> ostream &operator<<(ostream &os, const multiset<T> &vec) { os << '{'; for (auto v : vec) os << v << ','; os << '}'; return os; }
template <typename T> ostream &operator<<(ostream &os, const unordered_multiset<T> &vec) { os << '{'; for (auto v : vec) os << v << ','; os << '}'; return os; }
struct MyIO {
    MyIO(){
        cin.tie(0); 
        ios::sync_with_stdio(false); 
        cout << fixed << setprecision(15);
    }
} IO_OI;
#ifdef LOCAL
void debug_out() { cerr << endl; }
template <typename Head, typename... Tail>
void debug_out(Head H, Tail... T) {
    cerr << " " << H;
    debug_out(T...);
}
#define debug(...) \
    cerr << __LINE__ << " [" << #__VA_ARGS__ << "]:", debug_out(__VA_ARGS__)
#define dump(x) cerr << __LINE__ << " " << #x << " = " << (x) << endl
#else
#define debug(...) (void(0))
#define dump(x) (void(0))
#endif
//-------------------

class UnionFind {
private:
	unsigned size_; std::vector<int> par, rank; //par = root? -size: par 
public:
	UnionFind() : size_(0), par(std::vector<int>()), rank(std::vector<int>()) {};
	UnionFind(unsigned size__) : size_(size__) {
		par.resize(size_+1); rank.resize(size_+1);
		for (unsigned i = 0; i <= size_; i++) par[i] = -1, rank[i] = 0;
	}
	//unsigned size() { return size_; }
	unsigned root(unsigned x) {return par[x] < 0 ? x : par[x] = root(par[x]); }
	bool same(unsigned x, unsigned y) { return root(x) == root(y); }
	void unite(unsigned x, unsigned y) {
		x = root(x), y = root(y);
		if (x == y) return;
		if (rank[x] < rank[y])par[y] += par[x], par[x] = y;
		else if (rank[x] == rank[y])par[x] += par[y], par[y] = x, rank[x]++;
		else par[x] += par[y], par[y] = x;
	}
	int size(int x){ return -par[root(x)];} 
	bool operator==(const UnionFind &u) { return par == u.par; }
	bool operator!=(const UnionFind &u) { return par != u.par; }
};
int main() {
    int n,m,q;cin>>n>>m>>q;
    vector<string> ss(n);
    UnionFind uf(7*n);
    rep(i,n) {
        cin>>ss[i];
        rep(j,7) {
            if(ss[i][j]=='1' and ss[i][(j+1)%7]=='1') {
                uf.unite(i*7+j, i*7+emod(j+1, 7));
            }
        }
    }
    vector<vector<int>> G(n);
    rep(i,m) {
        int u,v;cin>>u>>v;u--;v--;
        G[u].push_back(v);
        G[v].push_back(u);
        rep(j,7) {
            if(ss[u][j]=='1' and ss[v][j]=='1') { 
                uf.unite(u*7+j, v*7+j);
            }
        }
        // rep(j,7) {
        //     if(ss[u][j]=='1' and ss[v][(j+1)%7]=='1') {
        //         uf.unite(u*7+j, v*7+emod(j+1, 7));
        //     }
        // }
        // rep(j,7) {
        //     if(ss[v][j]=='1' and ss[u][(j+1)%7]=='1') {
        //         uf.unite(v*7+j, u*7+emod(j+1, 7));
        //     }
        // }
    }

    while(q--) {
        int qq,u,j;cin>>qq>>u>>j; u--; j--;
        if(qq==1) {
            ss[u][j] = '1';
            if(ss[u][emod(j+1, 7)]=='1') uf.unite(7*u+j, 7*u+emod(j+1, 7));
            if(ss[u][emod(j-1, 7)]=='1') uf.unite(7*u+j, 7*u+emod(j-1, 7));
            for(auto v: G[u]) {
                if(ss[u][j]=='1' and ss[v][j]=='1') { 
                    uf.unite(u*7+j, v*7+j);
                }

                // if(ss[u][j]=='1' and ss[v][(j+1)%7]=='1') {
                //     uf.unite(u*7+j, v*7+emod(j+1, 7));
                // }

                // if(ss[v][j]=='1' and ss[u][(j+1)%7]=='1') {
                //     uf.unite(v*7+j, u*7+emod(j+1, 7));
                // }
            }

        } else {
            cout << uf.size(u*7) << endl;
        }
    }
}
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