Data commit

Task/Knapsack-problem-0-1/AWK/knapsack-problem-0-1.awk

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+# syntax: GAWK -f KNAPSACK_PROBLEM_0-1.AWK
+BEGIN {
+#   arr["item,weight"] = value
+    arr["map,9"] = 150
+    arr["compass,13"] = 35
+    arr["water,153"] = 200
+    arr["sandwich,50"] = 160
+    arr["glucose,15"] = 60
+    arr["tin,68"] = 45
+    arr["banana,27"] = 60
+    arr["apple,39"] = 40
+    arr["cheese,23"] = 30
+    arr["beer,52"] = 10
+    arr["suntan cream,11"] = 70
+    arr["camera,32"] = 30
+    arr["T-shirt,24"] = 15
+    arr["trousers,48"] = 10
+    arr["umbrella,73"] = 40
+    arr["waterproof trousers,42"] = 70
+    arr["waterproof overclothes,43"] = 75
+    arr["note-case,22"] = 80
+    arr["sunglasses,7"] = 20
+    arr["towel,18"] = 12
+    arr["socks,4"] = 50
+    arr["book,30"] = 10
+    sack_size = 400 # dag
+    PROCINFO["sorted_in"] = "@val_num_desc"
+    for (i in arr) {
+      if (total_weight >= sack_size) {
+        break
+      }
+      split(i,tmp,",")
+      weight = tmp[2]
+      if (total_weight + weight <= sack_size) {
+        printf("%s\n",tmp[1])
+        total_items++
+        total_value += arr[i]
+        total_weight += weight
+      }
+    }
+    printf("items=%d (out of %d) weight=%d value=%d\n",total_items,length(arr),total_weight,total_value)
+    exit(0)
+}