complete 18937.cpp 24518.cpp

storage/zeta/cpp/completed/18937.cpp

@@ -0,0 +1,52 @@
+#include <algorithm>
+#include <cstdint>
+#include <iostream>
+#include <string>
+#define let auto
+#define fn auto
+using namespace std;
+
+typedef size_t usize;
+typedef uint64_t u64;
+
+const let WHITE_KING = "Whiteking";
+const let BLACK_KING = "Blackking";
+
+fn fastio() {
+    ios::sync_with_stdio(false);
+    cin.tie(nullptr);
+}
+
+fn main() -> int {
+    usize n;// count of logs
+    cin >> n;
+
+    let arr = new u64[n];// length of each log
+    for (usize i = 0; i < n; i++) {
+        cin >> arr[i];
+    }
+
+    string who;
+    cin >> who;
+
+    let first = (who[0] == 'W') ? false : true;
+
+    let g = 0;
+    for (usize i = 0; i < n; i++) {
+        let e = arr[i] - 2;
+        g ^= e;
+    }
+    
+    //
+    // W0B WOOOB
+
+    if (g == 0) {
+        cout << (first ? WHITE_KING : BLACK_KING);
+    } else {
+        cout << (!first ? WHITE_KING : BLACK_KING);
+    }
+
+    // free
+    delete[] arr;
+    return 0;
+}