#define _CRT_SECURE_NO_WARNINGS #include "bits/stdc++.h" #define rep(i,n) for(int i = 0;i < n;i++) #define P(p) cout<<(p)<> ret; return ret; } ll gcd(ll a, ll b){ if (b > a)swap(a, b); if (b == 0)return a; else{ return gcd(b, a%b); } } void solve() { int n, m; cin >> n >> m; int board[201][201]; for (int i = 0; i < n;i++){ for (int j = 0; j < m;j++){ cin >> board[i][j]; } } int q; cin >> q; rep(i, q){ int x, y, c; cin >> x >> y >> c; x--; y--; stack> st; st.push(make_pair(x, y)); while (!st.empty()){ pair pos = st.top(); st.pop(); board[pos.second][pos.first] = c; for (int j = 0; j < 4; j++){ int newX = pos.first + dx[j]; int newY = pos.second + dy[j]; if (newX >= 0 && newX < m && newY >= 0 && newY < n){ if (board[newY][newX] != c){ st.push(make_pair(newX, newY)); } } } } } for (int i = 0; i < n; i++){ for (int j = 0; j < m; j++){ cout << board[i][j]; if (j != m-1)cout << " "; } cout << endl; } } int main() { solve(); return 0; }