Add files via upload

266B.cpp

@@ -0,0 +1,22 @@
+#include<iostream>
+using namespace std;
+int main()
+{
+int n, t;
+    string s;
+    cin >> n >> t >> s;
+    while (t--)
+    {
+        for (int i = 1; i < n; ++i)
+        {
+            if (s[i] == 'G' && s[i-1] == 'B')
+            {
+                s[i] = 'B';
+                s[i-1] = 'G';
+                i++;
+            }
+        }
+    }
+cout << s << endl;
+
+}