[Add] solved solutions

cpp/FLOW017.cpp

@@ -0,0 +1,54 @@
+#include <iostream>
+
+using namespace std;
+
+int max2(int a, int b, int c)
+{
+    if (a > b)
+    {
+        if (b > c)
+        {
+            return b;
+        }
+        else
+        {
+            if (c > a)
+            {
+                return a;
+            }
+            else
+            {
+                return c;
+            }
+        }
+    }
+    else
+    {
+        if (a > c)
+        {
+            return a;
+        }
+        else
+        {
+            if (b > c)
+            {
+                return c;
+            }
+            else
+            {
+                return b;
+            }
+        }
+    }
+}
+int main()
+{
+    int t, a, b, c;
+    cin >> t;
+    while (t--)
+    {
+        cin >> a >> b >> c;
+        cout << max2(a, b, c) << endl;
+    }
+    return 0;
+}