10.09.2025 12:11

Author: AkhrorKhasanov

443A Anton and Letters.cpp

@@ -0,0 +1,19 @@
+#include <iostream>
+#include <set>
+#include <string>
+using namespace std;
+int main()
+{
+    string s;
+    set<char> st;
+    getline(cin, s);
+    for (char ch : s)
+    {
+        if (isalpha(ch))
+        {
+            st.insert(ch);
+        }
+    }
+    cout << st.size() << endl;
+    return 0;
+}

785A Anton and Polyhedrons.cpp

@@ -0,0 +1,34 @@
+#include <iostream>
+using namespace std;
+int main()
+{
+    int n, c = 0;
+    string s;
+    cin >> n;
+    for (int i = 0; i < n; i++)
+    {
+        cin >> s;
+        if (s == "Tetrahedron")
+        {
+            c += 4;
+        }
+        else if (s == "Cube")
+        {
+            c += 6;
+        }
+        else if (s == "Octahedron")
+        {
+            c += 8;
+        }
+        else if (s == "Dodecahedron")
+        {
+            c += 12;
+        }
+        else
+        {
+            c += 20;
+        }
+    }
+    cout << c << endl;
+    return 0;
+}