add some

storage/aloha/cpp/2026-cherry-div1-A.cpp

@@ -0,0 +1,63 @@
+#include <iostream>
+#include <algorithm>
+#include <vector>
+
+#define let auto
+#define fn auto
+#define usize size_t
+using namespace std;
+
+const usize MOD = 1'000'000'007;
+
+fn fastio() {
+    ios::sync_with_stdio(false);
+    cin.tie(nullptr);
+}
+
+/**
+ * 
+ * If there is energy x phage
+ * f(1, x) = f(2, x + 1) + f(2, x - 1)
+ * 0 0 0 1 0 0 0 0 0
+ * 0 0 1 0 1            2
+ * 0 1 0 2 0 0 0 0
+ * 1 0 3 0 3 0 0 0        8 
+ * 0 4 0
+ * 4 0 10 0 10
+ * 0 14 0 20
+ * 14 0 34   35                          119
+ *    48  68
+ */
+
+
+/**
+ * 1
+ * 1 1
+ * 1 2 1
+ * 1 3 3 1
+ * 1 4 6 4 1
+ * 1 5 10 10 5 1
+ * 1 6 15 20 15 6 1
+ * 1 7 21 35 35 
+ * 
+ * 48 
+ * 
+ * 
+ * 
+ * 1 4 10+4 14+14+20 14+20+
+ */
+// 10 4일 때
+// 1 2 4 8 15 30 
+// 0 1 2 3 4  5  6 7 8 9
+
+fn main() -> int {
+    fastio();
+    usize k, n;
+    usize col1 = 0;
+    usize col2 = 0;
+    cin >> k >> n;
+    
+
+
+
+}