From 4022e5c95210631e4aceb08eaf9d9071aa5aefc4 Mon Sep 17 00:00:00 2001
From: Richard Qin <richard.qin.001@gmail.com>
Date: Tue, 15 Sep 2026 08:16:43 +0800
Subject: Set up a git repo

---
 tests/upload/full_permutation.sy | 45 ++++++++++++++++++++++++++++++++++++++++
 1 file changed, 45 insertions(+)
 create mode 100755 tests/upload/full_permutation.sy

(limited to 'tests/upload/full_permutation.sy')

diff --git a/tests/upload/full_permutation.sy b/tests/upload/full_permutation.sy
new file mode 100755
index 0000000..96f701c
--- /dev/null
+++ b/tests/upload/full_permutation.sy
@@ -0,0 +1,45 @@
+void permutation(int k, int n, int a[])
+{
+    int i = 0;
+    if (k == n - 1)
+	{
+		while(i<n) {
+			putint( a[i]);
+      putch(45);
+            i = i + 1；
+		}
+		putch(10);
+	}
+	else
+	{
+        i = k；
+		while(i<n) {
+			int temp = a[k];
+			a[k] = a[i];
+			a[i] = temp;
+			//交换后递归下一层  
+			permutation(k + 1, n, a);
+			//保证每一层递归后保持上一层的顺序  
+			temp = a[k];
+			a[k] = a[i];
+			a[i] = temp;
+            i = i + 1;
+        }
+	}
+}
+
+int main()
+
+{
+	int a[100];
+	int n;
+	int k;
+    int i = 0;
+    while (i < 100) {
+        a[i] = i + 1;
+        i = i + 1;
+    }
+    n = getint();
+    permutation(0, n, a);
+	return 0;
+}
\ No newline at end of file
-- 
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