diff --git a/khj20006/202510/05 BOJ G5 paintbucket.md b/khj20006/202510/05 BOJ G5 paintbucket.md
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+```cpp
+#include <bits/stdc++.h>
+using namespace std;
+
+int N,M,A,B,a[1000][1000]{},v[1000][1000]{};
+int dx[4] = {1,0,-1,0};
+int dy[4] = {0,1,0,-1};
+
+int main(){
+	cin.tie(0)->sync_with_stdio(0);
+	
+	cin>>M>>N>>B>>A;
+	for(int i=0;i<N;i++) for(int j=0;j<M;j++) cin>>a[i][j];
+	vector<pair<int,int>> r;
+	queue<pair<int,int>> q;
+	q.emplace(A,B);
+	v[A][B]++;
+	while(!q.empty()){
+		auto [x,y] = q.front(); q.pop();
+		r.emplace_back(x,y);
+		for(int i=0;i<4;i++){
+			int xx=x+dx[i], yy=y+dy[i];
+			if(xx<0 || xx>=N || yy<0 || yy>=M || v[xx][yy] || a[xx][yy]!=a[A][B]) continue;
+			q.emplace(xx,yy);
+			v[xx][yy]++;
+		}
+	}
+	sort(r.begin(),r.end());
+	for(auto [x,y]:r) cout<<y<<' '<<x<<'\n';
+
+}
+```
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