1 files changed, 63 insertions, 0 deletions
diff --git a/tests/sysy_lvX/065_backpack.sy b/tests/sysy_lvX/065_backpack.sy
new file mode 100644
index 0000000..c54d6ff
--- /dev/null
+++ b/tests/sysy_lvX/065_backpack.sy
@@ -0,0 +1,63 @@
+int V[200][200]={};
+int KnapSack(int n, int w[], int v[], int x[], int C)
+{
+    int i, j;
+    i=1;
+    while(i<=n)
+    {
+    	j=0;
+    	while(j<C+1)
+    	{
+    		if (j<w[i])
+                V[i][j] = V[i - 1][j];
+            else
+            {
+            	int tmp1=V[i - 1][j];
+            	int tmp2=V[i - 1][j - w[i]] + v[i];
+            	if(tmp1>tmp2)
+            	{
+            		V[i][j] = tmp1;
+				}
+				else
+				{
+					V[i][j] = tmp2;
+				}
+            	
+			}
+    		j=j+1;
+		}
+		i=i+1;
+	}
+    
+    j = C;
+    i=n;
+    while(i>=1)
+    {
+    	if (V[i][j]>V[i - 1][j])
+        {
+            x[i] = 1;
+            j = j - w[i];
+        }
+        else
+        {
+		 
+            x[i] = 0;
+        } 
+        i=i-1;
+	}
+    return V[n][C];
+}
+
+int main()
+{
+    int s;
+    int w[6] = {0,2,2,6,5,4};
+    int v[6] = {0,6,3,5,4,6};
+    int x[6];
+    int n = 5;
+    int C=10;
+    s = KnapSack(n, w, v, x, C);
+    putint(s);
+    return 0;
+
+}