結果

問題 No.1266 7 Colors
ユーザー w2w2
提出日時 2020-10-24 00:07:58
言語 C++17
(gcc 13.3.0 + boost 1.87.0)
結果
AC  
実行時間 119 ms / 3,000 ms
コード長 4,818 bytes
コンパイル時間 5,140 ms
コンパイル使用メモリ 207,012 KB
最終ジャッジ日時 2025-01-15 14:32:29
ジャッジサーバーID
（参考情報） 		judge5 / judge3
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ファイルパターン 結果
sample AC * 3
other AC * 19
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 #
プレゼンテーションモードにする

#include <bits/stdc++.h>
using namespace std;
#include <algorithm>
#include <cassert>
#include <vector>
namespace atcoder {
// Implement (union by size) + (path compression)
// Reference:
// Zvi Galil and Giuseppe F. Italiano,
// Data structures and algorithms for disjoint set union problems
struct dsu {
  public:
    dsu() : _n(0) {}
    dsu(int n) : _n(n), parent_or_size(n, -1) {}
    int merge(int a, int b) {
        assert(0 <= a && a < _n);
        assert(0 <= b && b < _n);
        int x = leader(a), y = leader(b);
        if (x == y) return x;
        if (-parent_or_size[x] < -parent_or_size[y]) std::swap(x, y);
        parent_or_size[x] += parent_or_size[y];
        parent_or_size[y] = x;
        return x;
    }
    bool same(int a, int b) {
        assert(0 <= a && a < _n);
        assert(0 <= b && b < _n);
        return leader(a) == leader(b);
    }
    int leader(int a) {
        assert(0 <= a && a < _n);
        if (parent_or_size[a] < 0) return a;
        return parent_or_size[a] = leader(parent_or_size[a]);
    }
    int size(int a) {
        assert(0 <= a && a < _n);
        return -parent_or_size[leader(a)];
    }
    std::vector<std::vector<int>> groups() {
        std::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]]++;
        }
        std::vector<std::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(
            std::remove_if(result.begin(), result.end(),
                           [&](const std::vector<int>& v) { return v.empty(); }),
            result.end());
        return result;
    }
  private:
    int _n;
    // root node: -1 * component size
    // otherwise: parent
    std::vector<int> parent_or_size;
};
}  // namespace atcoder
using namespace atcoder;
using ll= long long;
using ld= long double;
using pll= pair<ll, ll>;
using vi= vector<int>;
using vl= vector<ll>;
using vd= vector<ld>;
using vs= vector<string>;
using vb= vector<bool>;
using vpll= vector<pll>;
using vvi= vector<vi>;
using vvl= vector<vl>;
using vvd= vector<vd>;
using vvs= vector<vs>;
using vvb= vector<vb>;
using vvpll= vector<vpll>;
// using mint= modint1000000007;
// using mint = modint998244353;
constexpr ll mod= 1e9 + 7;
// constexpr ll mod= 998244353;
#define ALL(x) (x).begin(), (x).end()
#define _overload(_1, _2, _3, name, ...) name
#define REPBASE(i, a, b) for(ll(i)= (a); (i) < (b); (i)++)
#define RREPBASE(i, a, b) for(ll(i)= (a); (i) >= (b); (i)--)
#define REPB(i, n) REPBASE(i, 0, n)
#define REPS(i, n) REPBASE(i, 1, n + 1)
#define RREP(i, n) RREPBASE(i, n - 1, 0)
#define RREPS(i, n) RREPBASE(i, n, 1)
#define REP(...) _overload(__VA_ARGS__, REPBASE, REPB)(__VA_ARGS__)
#define EACH(x, c) for(auto &x : c)
#define pb push_back
#define eb emplace_back
#define mp make_pair
#define fi first
#define se second
#define UNIQUE(v) v.erase(unique(ALL(v)), v.end())
#define YES(n) ((n) ? "YES" : "NO")
#define Yes(n) ((n) ? "Yes" : "No")
#define yes(n) ((n) ? "yes" : "no")
#define SZ(x) ((ll)(x).size())
#define BIT(n) (1LL << (n))
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;
}
signed main() {
    cin.tie(0);
    ios::sync_with_stdio(false);
    cout << fixed << setprecision(12);
    ll N,M,Q;
    cin >> N >> M >> Q;
    vs C(N);
    REP(i,N)cin >> C[i];
    dsu D(N*7);
    REP(i,N){
        REP(l,7){
            if(C[i][l] == '1' && C[i][(l+1) % 7] == '1'){
                D.merge(i*7+l,i*7+(l+1)%7);
            }
        }
    }
    vvl G(N,vl(0));
    REP(i,M){
        ll pq,qr;
        cin >> pq >> qr;
        pq--;qr--;
        G[pq].eb(qr);
        G[qr].eb(pq);
        REP(l,7){
            if(C[pq][l] == '1' && C[qr][l] == '1'){
                D.merge(pq*7+l,qr*7+l);
            }
        }
    }
    REP(i,Q){
        ll Type;
        cin >> Type;
        if(Type == 1){
            ll x,y;
            cin >> x >> y;
            x--;y--;
            C[x][y] = '1';
            if(C[x][(y+1) % 7] == '1'){
                D.merge(x*7+y,x*7+(y+1)%7);
            }
            if(C[x][(y+6) % 7] == '1'){
                D.merge(x*7+y,x*7+(y+6)%7);
            }
            EACH(p,G[x]){
                if(C[p][y] == '1'){
                    D.merge(x*7+y,p*7+y);
                }
            }
        }else{
            ll x,y;
            cin >> x >> y;
            x--;
            cout << D.size(7*x) << "\n";
        }
    }
}
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