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- #include <iostream>
- #include <vector>
- #include <queue>
- using namespace std;
- int n, m;
- int w;
- char mat[1005][1005];
- int cnt[1005][1005];
- int main() {
- cin >> n >> m;
- cin >> w;
- vector<pair<int, int>> v;
- for(int i = 0; i < n; i++) {
- for(int j = 0; j < m; j++) {
- cin >> mat[i][j];
- cnt[i][j] = 0;
- if(mat[i][j] == 'C') {
- v.push_back(make_pair(i, j));
- }
- }
- }
- int di[] = {-1, 1, 0, 0};
- int dj[] = {0, 0, -1, 1};
- for(int i = 0; i < v.size(); i++) {
- int si = v[i].first, sj = v[i].second;
- queue<int> q;
- q.push(si);
- q.push(sj);
- q.push(0);
- vector<vector<bool>> visited(n, vector<bool>(m, false));
- while(!q.empty()) {
- int ci = q.front();
- q.pop();
- int cj = q.front();
- q.pop();
- int dist = q.front();
- q.pop();
- if(mat[ci][cj] == '.') {
- cnt[ci][cj]++;
- }
- for(int k = 0; k < 4; k++) {
- int ti = ci + di[k];
- int tj = cj + dj[k];
- if(ti >= 0 and ti < n and tj >= 0 and tj < m and !visited[ti][tj] and mat[ti][tj] != '#' and dist + 1 <= w) {
- q.push(ti);
- q.push(tj);
- q.push(dist + 1);
- visited[ti][tj] = true;
- }
- }
- }
- }
- int res = 0, ri, rj;
- for(int i = 0; i < n; i++) {
- for(int j = 0; j < m; j++) {
- if(res < cnt[i][j] and mat[i][j] == '.') {
- res = cnt[i][j];
- ri = i;
- rj = j;
- }
- }
- }
- cout << ri + 1 << " " << rj + 1 << endl;
- return 0;
- }
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