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/performance/08_floyd-2.sy | 76 +++++++++++++++++++++++++++++++++++++++++
 1 file changed, 76 insertions(+)
 create mode 100644 tests/performance/08_floyd-2.sy

(limited to 'tests/performance/08_floyd-2.sy')

diff --git a/tests/performance/08_floyd-2.sy b/tests/performance/08_floyd-2.sy
new file mode 100644
index 0000000..f7abb0a
--- /dev/null
+++ b/tests/performance/08_floyd-2.sy
@@ -0,0 +1,76 @@
+const int maxlen = 2097152;
+int temp[maxlen], w[maxlen], dst[maxlen], c[maxlen];
+
+int getvalue(int a[], int n, int i, int j)
+{
+    if (i < 0 || i >= n || j < 0 || j >= n) return -1;
+    return a[i*n + j];
+}
+
+void mem_move(int src[], int dst[], int n){
+    int i = 0;
+    while (i < n){
+        dst[i] = src[i];
+        i = i + 1;
+    }
+}
+
+void floyd(int w[], int dst[], int n)
+{
+    int k = 0;
+    while (k < n) {
+        int i = 0;
+        while (i < n) {
+            temp[i*n + k] = getvalue(w, n, i, k);
+            i = i + 1;
+        }
+        k = k + 1;
+    }
+    k = 0;
+    while (k < n) {
+        int i = 0;
+        while (i < n) {
+            int j = 0;
+            while (j < n) {
+                if (getvalue(temp, n, i, k) >= 0 && getvalue(temp, n, k, j) >= 0) {
+                    if (getvalue(temp, n, i, j) < 0) {
+                        temp[i*n + j] = getvalue(temp, n, i, k) + getvalue(temp, n, k, j);
+                    }
+                    else {
+                        if (temp[i*n + j] > getvalue(temp, n, i, k) + getvalue(temp, n, k, j)) {
+                            temp[i*n + j] = getvalue(temp, n, i, k) + getvalue(temp, n, k, j);
+                        }
+                    }
+                }
+                
+                j = j + 1;
+
+            }
+            i = i + 1;
+
+        }
+        k = k + 1;
+    }
+    mem_move(temp, dst, n*n);
+}
+
+int main()
+{
+    int n = getint();
+    getarray(w);
+
+    starttime();
+    floyd(w, dst, n);
+    stoptime();
+    putarray(n * n, dst);
+    // int i=0, j=0;
+    // while (i < n) {
+    //     while (j < n) {
+    //         putint(dst[i * n + j]);
+    //         putch(10);
+    //         j = j + 1;
+    //     }
+    //     i = i + 1;
+    // }
+    return 0;
+}
-- 
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