Rebased projecteuler folder, now includes all contest programming stuff

google/kickstart/2021roundA/a.cpp

@@ -0,0 +1,40 @@
+#include <iostream>
+#include <string>
+#include <cmath>
+
+using namespace std;
+
+void run_case(int test_case){
+    int n, k;
+    string s;
+    
+    cin >> n >> k;
+    cin >> s;
+    
+    int result = 0;
+    
+    auto ti = s.end() - 1;
+    int l = s.length();
+    for(auto it = s.begin(); it != s.begin() + l/2; ++it){
+        if((*it) != (*ti)){
+            result++;
+        }
+        --ti;
+    }
+    cout << "Case #" << test_case << ": " << abs(k - result) << endl;
+}
+
+
+
+int main(){
+    ios::sync_with_stdio(0);
+    cin.tie(0);
+
+    int t;
+    cin >> t;
+
+    for(int tc = 1; tc <= t; ++tc){
+        run_case(tc);
+        cout << flush;
+    }
+}