Create BUAAOJ5736 阶梯Nim.c

2021级-航空航天大类-C语言程序设计/Special-五一思维训练暨喜迎北航70周年校庆特别赛/BUAAOJ5736 阶梯Nim.c

@@ -0,0 +1,23 @@
+#include <stdio.h>
+#define N 1010
+int T;
+int n;
+int a[N], b[N];
+int main()
+{
+    T = 1;
+    while (T--)
+    {
+        n = 3;
+        for (int i = 1; i <= n; ++i)
+            scanf("%d", &a[i]);
+        int ans = 0;
+        for (int i = 1; i <= n; ++i)
+            b[n - i + 1] = a[i] - a[i - 1] - 1;
+        for (int i = 1; i <= n; i += 2)
+            ans ^= b[i];
+        long long step = (ans ? 1 : 0) + ((1ll * n * (n + 1)) >> 1);
+
+        puts((step & 1) ? "W1N" : "L0SE");
+    }
+}