1 files changed, 56 insertions, 0 deletions
diff --git a/pract_SI/Pract. 08/Stringstream/task4.cpp b/pract_SI/Pract. 08/Stringstream/task4.cpp
new file mode 100644
index 0000000..7b6b185
--- /dev/null
+++ b/pract_SI/Pract. 08/Stringstream/task4.cpp
@@ -0,0 +1,56 @@
+#include <iostream>
+#include <vector>
+#include <string>
+#include <sstream>
+
+int main() {
+    std::string str;
+    std::vector<std::pair<std::string, int>> myVector;
+
+    getline(std::cin, str);
+    std::stringstream ss;
+    ss << str;
+    
+    std::string temp;
+    while (ss >> temp) {
+        std::string lowString = "";
+        bool is_exist = false;
+        
+        for (size_t i = 0; i < temp.size(); i++)
+        {
+            lowString += tolower(temp[i]);
+        }
+        
+        for (size_t i = 0; i < myVector.size(); i++)
+        {
+            if (myVector[i].first == lowString)
+            {
+                myVector[i].second++;
+                is_exist = !is_exist;
+                break;
+            }
+        }
+        
+        if (is_exist == false)
+        {
+            myVector.push_back(std::make_pair(lowString, 1));
+        }
+    }
+
+    std::vector<std::string> outVector;
+    for (size_t i = 0; i < myVector.size(); i++)
+    {
+        if (myVector[i].second % 2 == 1)
+        { 
+            outVector.push_back(myVector[i].first);
+        }
+    }
+    
+    for (size_t i = 0; i < outVector.size() - 1; i++)
+    {
+        std::cout << outVector[i] << ", ";
+    }
+    std::cout << outVector[outVector.size() - 1] << std::endl;
+
+    return 0;
+}
+\ No newline at end of file