feat(codeforces): 799

codeforces/799/c.cc

@@ -0,0 +1,52 @@
+#include <bits/stdc++.h>  // {{{
+
+// https://codeforces.com/blog/entry/96344
+
+#pragma GCC optimize("O2,unroll-loops")
+#pragma GCC target("avx2,bmi,bmi2,lzcnt,popcnt")
+
+using namespace std;
+
+#define prln(...) std::println(__VA_ARGS__)
+#define pr(...) std::print(__VA_ARGS__)
+
+#ifdef LOCAL
+#define dbgln(...) std::println(__VA_ARGS__)
+#define dbg(...) std::print(__VA_ARGS__)
+#else
+#define dbgln(...)
+#define dbg(...)
+#endif
+//  }}}
+
+void solve() {
+  vector<string> board(8);
+  for (auto& s : board)
+    cin >> s;
+
+  for (int r = 1; r <= 6; ++r) {
+    for (int c = 1; c <= 6; ++c) {
+      if (board[r][c] == '#' && board[r - 1][c - 1] == '#' &&
+          board[r + 1][c + 1] == '#' && board[r - 1][c + 1] == '#' &&
+          board[r + 1][c - 1] == '#') {
+        cout << r + 1 << ' ' << c + 1 << '\n';
+        return;
+      }
+    }
+  }
+}
+
+int main() {  // {{{
+  cin.tie(nullptr)->sync_with_stdio(false);
+  cin.exceptions(cin.failbit);
+
+  int tc = 1;
+  cin >> tc;
+
+  for (int t = 0; t < tc; ++t) {
+    solve();
+  }
+
+  return 0;
+}
+// }}}