Solved 5 problem in the last Div.4

3 files changed, 208 insertions, 0 deletions

diff --git a/contests/Round898/C/main.cpp b/contests/Round898/C/main.cpp
new file mode 100755
index 0000000..c27011c
--- /dev/null
+++ b/contests/Round898/C/main.cpp
@@ -0,0 +1,163 @@
+#include <bits/stdc++.h>
+using namespace std;
+
+using ll = long long;
+using pii = pair<int, int>;
+using vpi = vector<pii>;
+using vi = vector<int>;
+using vll = vector<long long>;
+using mpii = map<int, int>;
+using mpll = map<ll, ll>;
+using db = long double;
+
+#define pb push_back
+#define all(x) (x).begin(), (x).end()
+#define rall(x) (x).rbegin(), (x).rend()
+#define lb lower_bound
+#define ub upper_bound
+#define make_unique(x)                                                         \
+  sort(all((x)));                                                              \
+  (x).resize(unique(all((x))) - (x).begin())
+#define ceil(a, b) ((a) + (b)-1) / (b)
+
+const int MOD = (int)1e9 + 7;
+const db PI = acos((db)-1);
+const int dx[4]{1, 0, -1, 0};
+const int dy[4]{0, 1, 0, -1};
+
+template <typename K, typename V>
+ostream &operator<<(ostream &os, const pair<K, V> &p);
+template <typename T> ostream &operator<<(ostream &os, const vector<T> &vec);
+template <typename K, typename V>
+ostream &operator<<(ostream &os, const map<K, V> &m);
+template <typename K, typename V>
+ostream &operator<<(ostream &os, const unordered_map<K, V> &m);
+template <typename T> ostream &operator<<(ostream &os, const set<T> &s);
+template <typename T>
+ostream &operator<<(ostream &os, const unordered_set<T> &s);
+
+template <typename K, typename V>
+ostream &operator<<(ostream &os, const pair<K, V> &p) {
+  os << "(" << p.first << ", " << p.second << ")";
+  return os;
+}
+
+template <typename T> ostream &operator<<(ostream &os, const vector<T> &vec) {
+  os << "{";
+  for (size_t i = 0; i < vec.size(); ++i) {
+    if (i > 0)
+      os << ", ";
+    os << vec[i];
+  }
+  os << "}";
+  return os;
+}
+
+template <typename K, typename V>
+ostream &operator<<(ostream &os, const map<K, V> &m) {
+  os << "{";
+  for (const auto &p : m) {
+    os << p.first << ": " << p.second << ", ";
+  }
+  os << "}";
+  return os;
+}
+
+template <typename K, typename V>
+ostream &operator<<(ostream &os, const unordered_map<K, V> &m) {
+  os << "{";
+  for (const auto &p : m) {
+    os << p.first << ": " << p.second << ", ";
+  }
+  os << "}";
+  return os;
+}
+
+template <typename T> ostream &operator<<(ostream &os, const set<T> &s) {
+  int i = 0;
+  os << "{";
+  for (const auto &e : s) {
+    if (i > 0)
+      os << ", ";
+    os << e;
+    i++;
+  }
+  os << "}";
+  return os;
+}
+
+template <typename T>
+ostream &operator<<(ostream &os, const unordered_set<T> &s) {
+  int i = 0;
+  os << "{";
+  for (const auto &e : s) {
+    if (i > 0)
+      os << ", ";
+    os << e;
+    i++;
+  }
+  os << "}";
+  return os;
+}
+
+void dbg() { cerr << "\n"; }
+
+template <typename T, typename... TS> void dbg(T val, TS... vals) {
+  cerr << val << " ";
+  dbg(vals...);
+}
+
+/* stuff you should look for:
+  ---------------------------
+   * special cases (n=1?)
+   * int overflow, array bounds
+   * do smth instead of nothing and stay organized
+   * WRITE STUFF DOWN
+   * DON'T GET STUCK ON ONE APPROACH
+ */
+
+bool is_ring(int i, int j, int ring) {
+  if (ring == 1) {
+    return i == 0 || i == 9 || j == 0 || j == 9;
+  } else if (ring == 2) {
+    return i == 1 || i == 8 || j == 1 || j == 8;
+  } else if (ring == 3) {
+    return i == 2 || i == 7 || j == 2 || j == 7;
+  } else if (ring == 4) {
+    return i == 3 || i == 6 || j == 3 || j == 6;
+  } else if (ring == 5) {
+    return i == 4 || i == 5 || j == 4 || j == 5;
+  }
+  return false;
+}
+
+void solve() {
+  vector<string> v(10);
+  for (auto &str : v) {
+    cin >> str;
+  }
+  int ans = 0;
+  for (int i = 0; i < 10; i++) {
+    for (int j = 0; j < 10; j++) {
+      if (v[i][j] == 'X') {
+        for (int k = 1; k <= 5; k++) {
+          if (is_ring(i, j, k)) {
+            ans += k;
+            break;
+          }
+        }
+      }
+    }
+  }
+  cout << ans << '\n';
+}
+
+int main() {
+  ios_base::sync_with_stdio(false);
+  cin.tie(NULL);
+  int tt;
+  cin >> tt;
+  while (tt--) {
+    solve();
+  }
+}
diff --git a/contests/Round898/C/main_input0.txt b/contests/Round898/C/main_input0.txt
new file mode 100644
index 0000000..95a660f
--- /dev/null
+++ b/contests/Round898/C/main_input0.txt
@@ -0,0 +1,41 @@
+4
+X.........
+..........
+.......X..
+.....X....
+......X...
+..........
+.........X
+..X.......
+..........
+.........X
+..........
+..........
+..........
+..........
+..........
+..........
+..........
+..........
+..........
+..........
+..........
+..........
+..........
+..........
+....X.....
+..........
+..........
+..........
+..........
+..........
+XXXXXXXXXX
+XXXXXXXXXX
+XXXXXXXXXX
+XXXXXXXXXX
+XXXXXXXXXX
+XXXXXXXXXX
+XXXXXXXXXX
+XXXXXXXXXX
+XXXXXXXXXX
+XXXXXXXXXX
diff --git a/contests/Round898/C/main_output0.txt b/contests/Round898/C/main_output0.txt
new file mode 100644
index 0000000..4731b69
--- /dev/null
+++ b/contests/Round898/C/main_output0.txt
@@ -0,0 +1,4 @@
+17
+0
+5
+220