Improvements

config.json

@@ -1129,7 +1129,7 @@
         "uuid": "2badf89b-efc4-46f1-af8d-b7d2440e61c0",
         "practices": [],
         "prerequisites": [],
-        "difficulty": 5
+        "difficulty": 7
       },
       {
         "slug": "list-ops",

exercises/practice/zebra-puzzle/.meta/example.cpp

@@ -1,3 +1,4 @@
+#include "zebra_puzzle.h"
 #include <algorithm>
 #include <iostream>
 #include <map>
@@ -9,12 +10,6 @@ using namespace std;
 namespace zebra_puzzle 
 {
 
-typedef struct 
-{
-    string drinksWater;
-    string ownsZebra;
-} Solution;
-
 enum Color { Red, Green, Ivory, Yellow, Blue };
 enum Nationality { Englishman, Spaniard, Ukrainian, Norwegian, Japanese };
 enum Pet { Dog, Snails, Fox, Horse, Zebra };

exercises/practice/zebra-puzzle/.meta/example.h

@@ -6,12 +6,12 @@
 namespace zebra_puzzle 
 {
 
-typedef struct 
+struct  Solution
 {
     std::string drinksWater;
     std::string ownsZebra;
-} Solution;
-
+};
+    
 Solution solve();
 
 }  // namespace zebra_puzzle

exercises/practice/zebra-puzzle/.meta/tests.toml

@@ -10,5 +10,8 @@
 # is regenerated, comments can be added via a `comment` key.
 
 [16efb4e4-8ad7-4d5e-ba96-e5537b66fd42]
-description = "solve the zebra puzzle and answer who drinks water and who owns zebra"
+description = "resident who drinks water"
+
+[084d5b8b-24e2-40e6-b008-c800da8cd257]
+description = "resident who owns zebra"
 

exercises/practice/zebra-puzzle/zebra_puzzle.cpp

@@ -1,21 +1,7 @@
 #include "zebra_puzzle.h"
 
-#include <string>
-
-using namespace std;
-
 namespace zebra_puzzle 
 {
 
-typedef struct 
-{
-    std::string drinksWater;
-    std::string ownsZebra;
-} Solution;
-
-Solution solve() 
-{
-    // IMPLEMENT YOUR LOGIC HERE
-}
 
 }  // namespace zebra_puzzle

exercises/practice/zebra-puzzle/zebra_puzzle.h

@@ -1,8 +1,17 @@
 #if !defined(ZEBRA_PUZZLE_H)
 #define ZEBRA_PUZZLE_H
 
+#include <string>
+
 namespace zebra_puzzle 
 {
+
+struct Solution
+{
+    std::string drinksWater;
+    std::string ownsZebra;
+};
+
 
 }  // namespace zebra_puzzle
 

exercises/practice/zebra-puzzle/zebra_puzzle_test.cpp

@@ -13,10 +13,15 @@ TEST_CASE("drinks_water", "[16efb4e4-8ad7-4d5e-ba96-e5537b66fd42]")
     {
         REQUIRE(solution.drinksWater == "Norwegian");
     }
+}
 
+TEST_CASE("owns_zebra", "[084d5b8b-24e2-40e6-b008-c800da8cd257]") 
+{
+    zebra_puzzle::Solution solution = zebra_puzzle::solve();
+
     SECTION("Owns zebra") 
     {
         REQUIRE(solution.ownsZebra == "Japanese");
     }
-
 }
+