結果
| 問題 |
No.307 最近色塗る問題多くない?
|
| コンテスト | |
| ユーザー |
|
| 提出日時 | 2015-11-28 15:29:41 |
| 言語 | C++11(廃止可能性あり) (gcc 13.3.0) |
| 結果 |
WA
|
| 実行時間 | - |
| コード長 | 4,674 bytes |
| コンパイル時間 | 3,959 ms |
| コンパイル使用メモリ | 184,576 KB |
| 実行使用メモリ | 39,580 KB |
| 最終ジャッジ日時 | 2024-09-14 04:50:52 |
| 合計ジャッジ時間 | 8,759 ms |
|
ジャッジサーバーID (参考情報) |
judge1 / judge5 |
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| ファイルパターン | 結果 |
|---|---|
| other | WA * 28 TLE * 1 -- * 7 |
ソースコード
#include <bits/stdc++.h>
#define EPS 1e-9
#define INF 1070000000LL
#define MOD 1000000007LL
#define fir first
#define foreach(it,X) for(auto it=(X).begin();it!=(X).end();it++)
#define numa(x,a) for(auto x: a)
#define ite iterator
#define mp make_pair
#define rep(i,n) rep2(i,0,n)
#define rep2(i,m,n) for(int i=m;i<(n);i++)
#define pb push_back
#define pf push_front
#define sec second
#define sz(x) ((int)(x).size())
#define ALL( c ) (c).begin(), (c).end()
#define gcd(a,b) __gcd(a,b)
#define mem(x,n) memset(x,n,sizeof(x))
#define endl "\n"
using namespace std;
template <int POS, class TUPLE> void deploy(std::ostream &os, const TUPLE &tuple){}
template <int POS, class TUPLE, class H, class ...Ts> void deploy(std::ostream &os, const TUPLE &t){ os << (POS == 0 ? "" : ", ") << get<POS>(t); deploy<POS + 1, TUPLE, Ts...>(os, t); }
template <class T,class U> std::ostream& operator<<(std::ostream &os, std::pair<T,U> &p){ os << "(" << p.first <<", " << p.second <<")";return os; }
template <class T> std::ostream& operator<<(std::ostream &os, std::vector<T> &v){ int remain = v.size(); os << "{"; for(auto e: v) os << e << (--remain == 0 ? "}" : ", "); return os; }
template <class T> std::ostream& operator<<(std::ostream &os, std::set<T> &v){ int remain = v.size(); os << "{"; for(auto e: v) os << e << (--remain == 0 ? "}" : ", "); return os; }
template <class T, class K> std::ostream& operator<<(std::ostream &os, std::map<T, K> &mp){ int remain = mp.size(); os << "{"; for(auto e: mp) os << "(" << e.first << " -> " << e.second << ")" << (--remain == 0 ? "}" : ", "); return os; }
#define DEBUG1(var0) { std::cerr << (#var0) << "=" << (var0) << endl; }
#define DEBUG2(var0, var1) { std::cerr << (#var0) << "=" << (var0) << ", ";DEBUG1(var1); }
#define DEBUG3(var0, var1, var2) { std::cerr << (#var0) << "=" << (var0) << ", ";DEBUG2(var1,var2); }
#define DEBUG4(var0, var1, var2, var3) { std::cerr << (#var0) << "=" << (var0) << ", ";DEBUG3(var1,var2,var3); }
using ll = long long;
int H,W;
char board[300][300];
struct A{
vector <pair <int,int> > bounds;
set <pair <int,int> > adj;
pair <int,int> root;
int color;
A(){};
A(int color_, const vector <pair <int,int> > bounds_, const pair <int,int> root_){
color = color_;
bounds = bounds_;
root = root_;
}
};
map <pair <int,int>, A> areas;
bool used[300][300];
pair <int,int> root[300][300];
vector <pair <int,int> > area;
int dx[] = {-1,0,0,1};
int dy[] = {0,1,-1,0};
inline bool OK(int x , int y){
return 0 <= x && x < H && 0 <= y && y < W;
}
void dfs(int i, int j, pair <int,int> myroot){
if (used[i][j]) {
return;
}
used[i][j] = true;
root[i][j] = myroot;
area.pb(mp(i,j));
rep(k,4){
int nx = i + dx[k], ny = j + dy[k];
if (OK(nx,ny) && board[i][j] == board[nx][ny]) {
dfs(nx,ny,myroot);
}
}
}
vector <pair <int,int> > build_bound(){
vector <pair <int,int > > bounds;
for (auto a : area){
rep(i,4){
int ax = a.fir + dx[i];
int ay = a.sec + dy[i];
if (OK(ax, ay)) {
if (!used[ax][ay] || root[ax][ay] != root[a.fir][a.sec]) {
bounds.pb(a);
break;
}
}else{
bounds.pb(a);
break;
}
}
}
return bounds;
}
void build_adj(){
for (auto &a : areas) {
for (auto &b : a.sec.bounds){
rep(i,4){
int nx = b.fir + dx[i];
int ny = b.sec + dy[i];
if (OK(nx,ny) && root[nx][ny] != root[b.fir][b.sec]) {
a.sec.adj.insert(root[nx][ny]);
}
}
}
}
}
void build(){
rep(i,H){
rep(j,W){
if (!used[i][j]) {
dfs(i,j,mp(i,j));
areas[mp(i,j)] = A(board[i][j] - '0', build_bound(), mp(i,j));
area.clear();
}
}
}
build_adj();
}
void paint(int R,int C, int X){
auto myroot = areas[root[R][C]].root;
if (areas[myroot].color == X) {
return;
}
areas[myroot].color = X;
auto adj = areas[myroot].adj;
set <pair <int,int> > new_adj;
vector <pair <int,int> > merges = {myroot};
for (auto &a : adj){
//merge
areas[a].root = myroot;
merges.pb(a);
for (auto &b : areas[a].adj) {
new_adj.insert(areas[b].root);
}
}
for (auto &a : merges) {
new_adj.erase(a);
}
areas[myroot].adj = new_adj;
}
int main()
{
cin.tie(0);
ios_base::sync_with_stdio(0);
cin >> H >> W;
rep(i,H){
rep(j,W){
cin >> board[i][j];
}
}
build();
int Q;
cin >> Q;
rep(i,Q){
int R,C,X;
cin >> R >> C >> X;
R--;C--;
paint(R,C,X);
}
rep(i,H){
rep(j,W){
auto myroot = areas[root[i][j]].root;
char c = '0' + areas[myroot].color;
cout << c;
}
cout << endl;
}
return 0;
}