Added 978B - File Name.cpp

Author: vikashpatel24

978B - File Name.cpp

@@ -0,0 +1,49 @@
+//                                 ॐ नमः शिवाय
+#include<bits/stdc++.h>
+using namespace std;
+
+#define ll long long
+#define pb push_back
+#define ff first
+#define ss second
+#define mp make_pair
+ 
+// Code Written By: Vikash Patel
+// Codeforces Profile: https://codeforces.com/profile/vikashpatel
+
+int main()
+{
+    ios_base::sync_with_stdio(0);
+    cin.tie(0);
+    cout.tie(0);
+    
+    // #ifndef ONLINE_JUDGE
+    // freopen("input.txt", "r", stdin);
+    // freopen("/Users/vikash/Desktop/output.txt", "w", stdout);
+    // #endif
+    
+    int n;
+    cin>>n;
+    string s;
+    cin>>s;
+    int c = 0;
+    // int maxi = INT_MIN;
+    s += "1";
+    int ans = 0;
+    for(auto i : s)
+    {
+        if(i == 'x')
+        c++;
+        else
+        {
+            if(c >=3 )
+            ans += c - 2; 
+            c = 0;
+        }
+    }
+    if(ans>0)
+    cout<<ans<<endl;
+    else
+    cout<<"0"<<endl;
+    return 0;
+}