1 files changed, 19 insertions, 0 deletions
diff --git a/codeforces/StonesOnTheTable/main.cpp b/codeforces/StonesOnTheTable/main.cpp
new file mode 100644
index 0000000..a9903c9
--- /dev/null
+++ b/codeforces/StonesOnTheTable/main.cpp
@@ -0,0 +1,19 @@
+#include<bits/stdc++.h>
+
+using namespace std;
+
+int main () {
+	ios_base::sync_with_stdio(false);
+	cin.tie(NULL);
+  int n;
+  cin >> n;
+  string s;
+  cin >> s;
+  int count = 0;
+  for(int i = 0; i < s.size() - 1;i++) {
+    if(s[i] == s[i + 1]) {
+      count++;
+    }
+  }
+  cout << count << endl;
+}