結果

問題 No.307 最近色塗る問題多くない？
ユーザー shimomireshimomire
提出日時 2015-11-28 00:52:38
言語 C++11
(gcc 11.4.0)
結果
WA  
実行時間 -
コード長 7,609 bytes
コンパイル時間 1,185 ms
コンパイル使用メモリ 128,684 KB
実行使用メモリ 20,672 KB
最終ジャッジ日時 2023-10-12 01:05:34
合計ジャッジ時間 7,234 ms
ジャッジサーバーID
（参考情報） 		judge12 / judge15
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 1 ms
4,352 KB
testcase_01 AC 2 ms
4,352 KB
testcase_02 AC 1 ms
4,352 KB
testcase_03 AC 2 ms
4,348 KB
testcase_04 WA -
testcase_05 WA -
testcase_06 AC 2 ms
4,356 KB
testcase_07 AC 279 ms
4,904 KB
testcase_08 TLE -
testcase_09 -- -
testcase_10 -- -
testcase_11 -- -
testcase_12 -- -
testcase_13 -- -
testcase_14 -- -
testcase_15 -- -
testcase_16 -- -
testcase_17 -- -
testcase_18 -- -
testcase_19 -- -
testcase_20 -- -
testcase_21 -- -
testcase_22 -- -
testcase_23 -- -
testcase_24 -- -
testcase_25 -- -
testcase_26 -- -
testcase_27 -- -
testcase_28 -- -
testcase_29 -- -
testcase_30 -- -
testcase_31 -- -
testcase_32 -- -
testcase_33 -- -
testcase_34 -- -
testcase_35 -- -
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ソースコード

diff # 

#include <cassert>// c
#include <iostream>// io
#include <iomanip>
#include <fstream>
#include <sstream>
#include <vector>// container
#include <map>
#include <set>
#include <queue>
#include <bitset>
#include <stack>
#include <algorithm>// other
#include <complex>
#include <numeric>
#include <functional>
#include <random>
#include <regex>
using namespace std;

typedef long long ll;typedef unsigned long long ull;typedef long double ld;

#define ALL(c) c.begin(),c.end()
#define IN(l,v,r) (l<=v && v < r)
template<class T> void UNIQUE(T v){v.erase(unique(ALL(v)),v.end());}
//debug
#define DUMP(x) cerr << #x <<" = " << (x)
#define LINE() cerr<< " (L" << __LINE__ << ")"

struct range{
    struct Iter{
        int v,step;
        Iter& operator++(){v+=step;return *this;}
        bool operator!=(Iter& itr){return v<itr.v;}
        int& operator*(){return v;}
    };
    Iter i, n;
    range(int i, int n,int step):i({i,step}), n({n,step}){}
    range(int i, int n):range(i,n,1){}
    range(int n):range(0,n){}
    Iter& begin(){return i;}
    Iter& end(){return n;}
};
struct rrange{
    struct Iter{
        int v,step;
        Iter& operator++(){v-=step;return *this;}
        bool operator!=(Iter& itr){return v>itr.v;}
        int& operator*(){return v;}
    };
    Iter i, n;
    rrange(int i, int n,int step):i({i-1,step}), n({n-1,step}){}
    rrange(int i, int n):rrange(i,n,1){}
    rrange(int n) :rrange(0,n){}
    Iter& begin(){return n;}
    Iter& end(){return i;}
};

//input
template<typename T1,typename T2> istream& operator >> (istream& is,pair<T1,T2>& p){return is>>p.first>>p.second;}
template<typename T1> istream& operator >> (istream& is,tuple<T1>& t){return is >> get<0>(t);}
template<typename T1,typename T2> istream& operator >> (istream& is,tuple<T1,T2>& t){return is >> get<0>(t) >> get<1>(t);}
template<typename T1,typename T2,typename T3> istream& operator >> (istream& is,tuple<T1,T2,T3>& t){return is >>get<0>(t)>>get<1>(t)>>get<2>(t);}
template<typename T1,typename T2,typename T3,typename T4> istream& operator >> (istream& is,tuple<T1,T2,T3,T4>& t){return is >> get<0>(t)>>get<1>(t)>>get<2>(t)>>get<3>(t);}
template<typename T> istream& operator >> (istream& is,vector<T>& as){for(int i:range(as.size()))is >>as[i];return is;}
//output
template<typename T> ostream& operator << (ostream& os, const set<T>& ss){for(auto a:ss){if(a!=ss.begin())os<<" "; os<<a;}return os;}
template<typename T1,typename T2> ostream& operator << (ostream& os, const pair<T1,T2>& p){return os<<p.first<<" "<<p.second;}
template<typename K,typename V> ostream& operator << (ostream& os, const map<K,V>& m){bool isF=true;for(auto& p:m){if(!isF)os<<endl;os<<p;isF=false;}return os;}
template<typename T1> ostream& operator << (ostream& os, const tuple<T1>& t){return os << get<0>(t);}
template<typename T1,typename T2> ostream& operator << (ostream& os, const tuple<T1,T2>& t){return os << get<0>(t)<<" "<<get<1>(t);}
template<typename T1,typename T2,typename T3> ostream& operator << (ostream& os, const tuple<T1,T2,T3>& t){return os << get<0>(t)<<" "<<get<1>(t)<<" "<<get<2>(t);}
template<typename T1,typename T2,typename T3,typename T4> ostream& operator << (ostream& os, const tuple<T1,T2,T3,T4>& t){return os << get<0>(t)<<" "<<get<1>(t)<<" "<<get<2>(t)<<" "<<get<3>(t);}
template<typename T> ostream& operator << (ostream& os, const vector<T>& as){for(int i:range(as.size())){if(i!=0)os<<" "; os<<as[i];}return os;}
template<typename T> ostream& operator << (ostream& os, const vector<vector<T>>& as){for(int i:range(as.size())){if(i!=0)os<<endl; os<<as[i];}return os;}

// values
template<typename T> inline T INF(){assert(false);};
template<> inline int INF<int>(){return 1<<28;};
template<> inline ll INF<ll>(){return 1LL<<58;};
template<> inline double INF<double>(){return 1e16;};
template<> inline long double INF<long double>(){return 1e16;};

template<class T> inline T EPS(){assert(false);};
template<> inline int EPS<int>(){return 1;};
template<> inline ll EPS<ll>(){return 1LL;};
template<> inline double EPS<double>(){return 1e-8;};
template<> inline long double EPS<long double>(){return 1e-8;};

// min{2^r | n < 2^r}
template<typename T> T upper_pow2(T n){ T res=1;while(res<n)res<<=1;return res;}
// max{d | 2^d  <= n}
template<typename T> T msb(T n){ int d=62;while((1LL<<d)>n)d--;return d;}

template<typename T,typename U> T pmod(T v,U M){return (v%M+M)%M;}

ll gcd_positive(ll a,ll b) { return b == 0 ? a : gcd_positive(b,a%b); }
ll gcd(ll a,ll b) { return gcd_positive(abs(a), abs(b)); }
ll lcm(ll a,ll b){return a/gcd(a,b)*b;}

template<class Cost> struct Edge{
    int from,to;Cost cost;
    Edge(int from,int to,Cost cost):from(from),to(to),cost(cost){};
    bool operator<(Edge r) const{ return cost<r.cost;}
    bool operator>(Edge r) const{ return cost>r.cost;}
};

struct UnionFind{
    vector<Edge<int>> es;
    vector<vector<int> > f_cache, t_cache;
    vector<int> col;

    vector<int> par,rank,ss;
    int size;
    UnionFind(int n):size(n){
        par=vector<int>(n);iota(ALL(par),0);
        rank = vector<int>(n);ss=vector<int>(n,1);
        col = vector<int>(n);
        f_cache = vector<vector<int> >(n); t_cache = vector<vector<int> >(n);
    }
    void add_edge(int f,int t, int x){
        int ei = es.size(); es.push_back({f,t,x});
        f_cache[f].push_back(ei); t_cache[t].push_back(ei);
    }

    int root(int x){ return par[x] = par[x] == x ? x: root(par[x]);}
    bool same(int x,int y){ return root(x) == root(y);}
    void unite(int x,int y){
        x = root(x);y = root(y);
        if(x==y)return;
        if(f_cache[x].size() + t_cache[x].size() > f_cache[y].size() + t_cache[y].size()) swap(x,y);
        // if(rank[x]>rank[y])swap(x,y);
        for(int ei:f_cache[x]) f_cache[y].push_back(ei);
        for(int ei:t_cache[x]) t_cache[y].push_back(ei);
        par[x] = y;ss[y]+=ss[x];
        if(rank[x] == rank[y]) rank[x]++;
        size--;
    }
    int getS(int x){ return ss[root(x)];}
};

int dy[4] = {0,1,0,-1},dx[4]={1,0,-1,0};

class Main{
    public:

     int H,W;
    int enc(int y,int x){return y * W + x;}
    void run(){
        cin >> H >> W;
        vector<vector<int>> board(H,vector<int>(W));cin >> board;

        UnionFind uf(H*W);
        for(int y:range(H))for(int x:range(W)) uf.col[enc(y,x)]=board[y][x];
       
        for(int y:range(H))for(int x:range(W)){
            for(int d:range(4)){
                int ny = y + dy[d],nx = x + dx[d];
                if(!IN(0,ny,H) || !IN(0,nx,W))continue;
                uf.add_edge(enc(y,x),enc(ny,nx),1);
                uf.add_edge(enc(ny,nx),enc(y,x),1);
                if(board[y][x]==board[ny][nx]) uf.unite(enc(y,x),enc(ny,nx));
            }
        }

        int Q;cin >> Q;
        for(int q:range(Q)){
            int r,c,x;cin >> r >> c >> x;r--;c--;
            int gi = uf.root(enc(r,c));
            if(uf.col[gi]!=x){
                for(int i:range(uf.f_cache[gi].size()))uf.unite(gi, uf.root(uf.es[uf.f_cache[gi][i]].to));
                uf.col[uf.root(gi)] = x;
            }
        }

        // for(int y:range(H)){
        //     for(int x:range(W)){
        //         if(x!=0) cout <<" ";
        //         cout << uf.root(enc(y,x));
        //     }
        //     cout << endl;
        // }

        for(int y:range(H)){
            for(int x:range(W)){
                if(x!=0) cout <<" ";
                cout << uf.col[uf.root(enc(y,x))];
            }
            cout << endl;
        }
    }
};

int main(){
    cout <<fixed<<setprecision(20);
    cin.tie(0);
    ios::sync_with_stdio(false);
    Main().run();
    return 0;
}
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